71M6521D/71M6521F
电能计量 IC
数据手册
2006 年 12 月
REV 2.01 © 2005-2006 TERIDIAN Semiconductor Corporation Page: 5 of
连接到 3 线 SPI 类型的 EEPROM............................................................................................66
UART0 (TX/RX)......................................................................................................................67
光接口 UART1........................................................................................................................68
V1 和 Reset 引脚的连接 ..........................................................................................................68
Flash 编程 ..............................................................................................................................69
软件接口 ..............................................................................................................................................69
I/O RAM 映射寄存器 – 以地址大小顺序排序 ............................................................................69
TERIDIAN 80515 专有的 SFR –以地址大小顺序排序 ...............................................................70
I/O RAM 及 Teridian 80515 MPU 专有的 SFR – 以字母顺序排列 ..............................................71
CE 的软件接口........................................................................................................................78
CE 程序 ....................................................................................................................78
格式 ..........................................................................................................................78
常数 ..........................................................................................................................78
CE 的运行环境 ..........................................................................................................78
CE 的计量公式 ..........................................................................................................79
CE 状态字.................................................................................................................79
Name...................................................................................................................................................80
Default.................................................................................................................................................80
Default....................................................................................................................................80
CE 的传送变量 ..........................................................................................................81
ELECTRICAL SPECIFICATIONS..........................................................................................................85
ABSOLUTE MAXIMUM RATINGS...........................................................................................85
RECOMMENDED EXTERNAL COMPONENTS.......................................................................86
RECOMMENDED OPERATING CONDITIONS.......................................................................86
PERFORMANCE SPECIFICATIONS......................................................................................87
INPUT LOGIC LEVELS.............................................................................................87
OUTPUT LOGIC LEVELS.........................................................................................87
POWER-FAULT COMPARATOR..............................................................................87
BATTERY MONITOR................................................................................................88
SUPPLY CURRENT..................................................................................................88
V3P3D SWITCH.......................................................................................................88
2.5V VOLTAGE REGULATOR..................................................................................88
LOW POWER VOLTAGE REGULATOR...................................................................89
CRYSTAL OSCILLATOR..........................................................................................89
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