FU68XX
Fortior Tech
FU68XX
MCU Embedded and
Configurable 3-Phase
BLDC/PMSM
Motor Controller
Datasheet
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FU68XX
目 录
目
录
.................................................................................................................................................. 2
1
系统介绍
...................................................................................................................................... 16
1.1 概述 ....................................................................................................................................... 16
1.2 应用场景 ............................................................................................................................... 16
1.3 特性 ....................................................................................................................................... 16
1.4 系统框图 ............................................................................................................................... 18
1.4.1 FU6831 功能框图 ................................................................................................................. 18
1.4.2 FU6811 功能框图 ................................................................................................................. 19
1.4.3 FU6818 功能框图 ................................................................................................................. 20
1.5 Memory 空间 ........................................................................................................................ 21
1.5.1 Program Memory .................................................................................................................. 21
1.5.2 Data Memory ........................................................................................................................ 21
1.5.3 SFR ......................................................................................................................................... 22
1.5.4 XSFR ....................................................................................................................................... 23
2
引脚定义
...................................................................................................................................... 24
2.1 FU6831 引脚列表 ................................................................................................................. 24
2.2 FU6831 封装-LQFP48 ............................................................................................................ 28
2.3 FU6831 封装-QFN48 ............................................................................................................. 29
2.4 FU6811 引脚列表 ................................................................................................................. 30
2.5 FU6811 封装-LQFP48 ............................................................................................................ 34
2.6 FU6811 封装-QFN48 ............................................................................................................. 35
2.7 FU6818 引脚列表 ................................................................................................................. 36
2.8 FU6818 封装-QFN56 ............................................................................................................. 40
3
电气特性
...................................................................................................................................... 41
3.1 电气特性绝对最大值 ........................................................................................................... 41
3.2 全局电气特性 ....................................................................................................................... 41
3.3 GPIO 电气特性 ..................................................................................................................... 44
3.4 Gate Driver IO 电气特性 (适用于 FU6811) ......................................................................... 44
3.5 Predriver 3P3N IO 电气特性 (适用于 FU6831) ................................................................... 44
3.6 Predriver 6N IO 电气特性 (适用于 FU6818) ....................................................................... 45
3.7 ADC 电气特性 ....................................................................................................................... 45
3.8 参考电压电气特性 ............................................................................................................... 46
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FU68XX
3.9 运算放大器电气特性 ........................................................................................................... 46
3.10 比较器电气特性 ................................................................................................................... 46
3.11 HALL/BEMF 电气特性 ........................................................................................................... 46
3.12 OSC 电气特性 ....................................................................................................................... 47
3.13 复位电气特性 ....................................................................................................................... 47
3.14 LDO 电气特性 ....................................................................................................................... 47
4
复位控制
...................................................................................................................................... 48
4.1 复位源(RSTSRC) .................................................................................................................... 48
4.2 复位使能 ............................................................................................................................... 49
4.3 外部复位、上电复位 ........................................................................................................... 49
4.4 低电压侦测复位 ................................................................................................................... 49
4.5 看门狗溢出复位 ................................................................................................................... 49
4.6 FEDR 复位 ............................................................................................................................. 49
4.7 EOS 过度电应力复位 ........................................................................................................... 49
5
中断控制
...................................................................................................................................... 50
5.1 中断寄存器 ........................................................................................................................... 50
5.1.1 IE（0xA8） ............................................................................................................................ 50
5.1.2 IP0（0xB8） .......................................................................................................................... 50
5.1.3 IP1（0xC0） .......................................................................................................................... 51
5.1.4 IP2（0xC8） .......................................................................................................................... 51
5.1.5 IP3（0xD8） ......................................................................................................................... 52
5.1.6 TCON（0x88）...................................................................................................................... 52
5.2 中断说明 ............................................................................................................................... 53
5.3 外部中断 ............................................................................................................................... 54
6 I2C ................................................................................................................................................ 55
6.1 操作说明 ............................................................................................................................... 55
6.1.1 主机模式 ............................................................................................................................... 55
6.1.2 从机模式 ............................................................................................................................... 55
6.1.3 I2C 中断源 ............................................................................................................................ 56
6.2 I2C 寄存器 ............................................................................................................................ 57
6.2.1 I2C_MOD（0x4028） ........................................................................................................... 57
6.2.2 I2C_ID（0x4029） ................................................................................................................ 57
6.2.3 I2C_DAT（0x402A） ............................................................................................................. 58
6.2.4 I2C_STA（0x402B） ............................................................................................................. 58
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FU68XX
7 SPI ................................................................................................................................................ 60
7.1 操作说明 ............................................................................................................................... 60
7.1.1 信号说明 ............................................................................................................................... 60
7.1.1.1 主输出、从输入（MOSI） .......................................................................................... 61
7.1.1.2 主输入、从输出（MISO） .......................................................................................... 61
7.1.1.3 串行时钟（SCK） ......................................................................................................... 61
7.1.1.4 从选择（NSS） ............................................................................................................ 61
7.1.2 SPI 主方式 ............................................................................................................................. 62
7.1.2.1 主方式配置 ................................................................................................................... 63
7.1.3 SPI 从方式 ............................................................................................................................. 63
7.1.3.1 从方式配置 ................................................................................................................... 64
7.1.4 SPI 中断源 ............................................................................................................................. 64
7.1.5 串行时钟时序 ....................................................................................................................... 64
7.2 SPI 寄存器 ............................................................................................................................. 65
7.2.1 SPI_CFG（0x4030） ............................................................................................................. 65
7.2.2 SPI_CTRL（0x4031） ............................................................................................................ 66
7.2.3 SPI_SCR（0x4032） .............................................................................................................. 67
7.2.4 SPI_DAT（0x4033） ............................................................................................................. 68
8 UART ............................................................................................................................................ 68
8.1 UART 操作说明 ..................................................................................................................... 68
8.1.1 基本功能框图 ....................................................................................................................... 68
8.1.2 模式 0 .................................................................................................................................... 68
8.1.3 模式 1 .................................................................................................................................... 69
8.1.4 模式 2 .................................................................................................................................... 69
8.1.5 模式 3 .................................................................................................................................... 69
8.1.6 UART 中断源 ......................................................................................................................... 69
8.2 UART 寄存器 ......................................................................................................................... 69
8.2.1 UT_CR（0x98） .................................................................................................................... 69
8.2.2 UT_DR（0x99） .................................................................................................................... 70
8.2.3 UT_BAUD（0x9A,0x9B） ...................................................................................................... 70
9 MDU ............................................................................................................................................. 71
9.1 乘法使用方法： ................................................................................................................... 71
9.2 除法使用方法： ................................................................................................................... 71
9.3 注意事项 ............................................................................................................................... 72
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FU68XX
9.4 MDU 寄存器 ......................................................................................................................... 72
9.4.1 MD_MODE (0xC1) ................................................................................................................. 72
9.4.2 MD_MBL (0xCA) .................................................................................................................... 72
9.4.3 MD_MBH (0xCB) ................................................................................................................... 73
9.4.4 MD_MAL (0XC2) .................................................................................................................... 73
9.4.5 MD_MAH (0xC3) ................................................................................................................... 73
9.4.6 MD_DA0 (0xC4) ..................................................................................................................... 73
9.4.7 MD_DA1 (0xC5) ..................................................................................................................... 74
9.4.8 MD_DA2 (0xC6) ..................................................................................................................... 74
9.4.9 MD_DA3 (0xC7) ..................................................................................................................... 74
9.4.10 MD_DB0 (0xCC) ..................................................................................................................... 74
9.4.11 MD_DB1 (0xCD) .................................................................................................................... 75
9.4.12 MD_DB2 (0xCE) ..................................................................................................................... 75
9.4.13 MD_DB3 (0xCF) ..................................................................................................................... 75
10 PI .................................................................................................................................................. 75
10.1 PI 操作说明 ........................................................................................................................... 75
10.2 PI 寄存器............................................................................................................................... 76
10.2.1 PL_CR（0xF9） ..................................................................................................................... 76
10.2.2 PI_EK（0xEA，0xEB） .......................................................................................................... 77
10.2.3 PI_UK（0xEC，0xED） ......................................................................................................... 77
10.2.4 PI_KP（0xEE，0xEF） .......................................................................................................... 78
10.2.5 PI_KI（0xF2，0xF3） ........................................................................................................... 78
10.2.6 PI_UKMAX（0xF4，0xF5） .................................................................................................. 78
10.2.7 PI_UKMIN（0xF6，0xF7） ................................................................................................... 79
11 LPF ................................................................................................................................................ 79
11.1 LPF 寄存器 ............................................................................................................................ 79
11.1.1 PL_CR（0xF9） ..................................................................................................................... 79
11.1.2 LPF_K（0xDC，0xDD） ........................................................................................................ 80
11.1.3 LPF_X（0XDE，0XDF） ........................................................................................................ 80
11.1.4 LPF_Y（0XE6，0XE7） ......................................................................................................... 80
11.2 LPF 操作说明 ........................................................................................................................ 81
12 SVPWM/SPWM/SIN_COS ............................................................................................................. 82
12.1 SVPWM 操作说明................................................................................................................. 82
12.2 SPWM 操作说明 ................................................................................................................... 83
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