AX327X Video recorder Microcontroller Version 1.4.1
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AX327X
Video Recorder Microcontroller
User Manual
[AX327X-UM-141-EN]
Versions: 1.4.1
Release Date: 2017-7-6
II Table of content
AX327X Video recorder Microcontroller Version 1.4.1
Copyright © 2017, www.appotech.com. All Rights Reserved.
Duty of confidentiality. Accountability
Table of content
Table of content .............................................................................................................................................. II
1 Product Overview .................................................................................................................................... 1
1.1 General Description.......................................................................................................................... 1
1.2 Features ............................................................................................................................................ 1
2 Pin definition ........................................................................................................................................... 2
2.1 AX3270 ............................................................................................................................................. 2
2.1.1 Pin Description .......................................................................................................................... 2
2.2 AX3271 ............................................................................................................................................. 6
2.2.1 Pin Description .......................................................................................................................... 7
2.3 AX3272/AX3272B ........................................................................................................................... 10
2.3.1 Pin Description ........................................................................................................................ 10
2.4 AX3273/AX3273B ........................................................................................................................... 13
2.4.1 Pin Description ........................................................................................................................ 14
3 Characteristics ....................................................................................................................................... 16
3.1 LDO Parameters ............................................................................................................................. 16
3.2 PLL Parameters ............................................................................................................................... 16
3.3 I/O Parameters ............................................................................................................................... 16
3.4 OSC Parameters.............................................................................................................................. 17
3.5 Audio DAC Parameters ................................................................................................................... 17
3.6 USB1.1/2.0 PHY Parameters ........................................................................................................... 17
3.7 Current Parameters ........................................................................................................................ 17
4 System Architecture .............................................................................................................................. 18
4.1 Architecture.................................................................................................................................... 18
5 Power Management .............................................................................................................................. 19
5.1 Power Supply .................................................................................................................................. 19
5.2 Power Saving Mode........................................................................................................................ 19
5.2.1 Sleep Mode ............................................................................................................................. 19
III 1 Product Overview
AX327X Video recorder Microcontroller Version 1.4.1
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5.2.2 Hold Mode .............................................................................................................................. 19
5.3 Special Function Registers .............................................................................................................. 20
6 GPIO ....................................................................................................................................................... 22
6.1 Features .......................................................................................................................................... 22
6.2 Port interrupt and wakeup ............................................................................................................. 22
6.3 Function multiplexing ..................................................................................................................... 22
6.4 GPIO Special Function Registers ..................................................................................................... 26
6.5 PORT User Guide and Program Example ........................................................................................ 40
6.5.1 Output data to PORTA ............................................................................................................ 40
6.5.2 Input data from PORTA ........................................................................................................... 40
6.5.3 Enable PORTA internal pull-up resistor .................................................................................. 40
6.5.4 Change GPIO to function pin .................................................................................................. 40
6.5.5 Port interrupt .......................................................................................................................... 41
7 Timer ...................................................................................................................................................... 42
7.1 Features .......................................................................................................................................... 42
7.2 Special Function Registers .............................................................................................................. 42
7.3 Ticktimer ......................................................................................................................................... 43
7.3.1 Special Function Registers ...................................................................................................... 43
7.3.2 User Guide or Program Example ............................................................................................ 44
7.3.3 Timer mode ............................................................................................................................ 44
7.3.4 Cycling mode .......................................................................................................................... 44
8 IIC ........................................................................................................................................................... 45
8.1 Features .......................................................................................................................................... 45
8.2 IIC-Master Mapping........................................................................................................................ 45
8.3 Special Function Registers .............................................................................................................. 45
8.4 System Configuration ..................................................................................................................... 47
8.5 IIC Protocol ..................................................................................................................................... 47
8.6 Programming examples.................................................................................................................. 48
8.7 Operation Guide ............................................................................................................................. 50
1 Product Overview IV
AX327X Video recorder Microcontroller Version 1.4.1
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9 UART ...................................................................................................................................................... 51
9.1 Features .......................................................................................................................................... 51
9.2 Special Function Registers .............................................................................................................. 51
9.3 User Guide or Program Example .................................................................................................... 52
9.4 BTUART ........................................................................................................................................... 52
9.5 Special Function Registers .............................................................................................................. 52
9.6 User Guide or Program Example .................................................................................................... 55
10 SPI .......................................................................................................................................................... 57
10.1 SPI0 ................................................................................................................................................. 57
10.1.1 Timing diagram ....................................................................................................................... 57
10.1.2 Special Function Registers ...................................................................................................... 59
10.1.3 User Guide or Program Example ............................................................................................ 60
10.2 SPI1 ................................................................................................................................................. 62
10.2.1 Timing diagram ....................................................................................................................... 62
10.2.2 Special Function Registers ...................................................................................................... 62
11 LCD ......................................................................................................................................................... 65
11.1 Features .......................................................................................................................................... 65
11.2 Timing diagram ............................................................................................................................... 65
11.2.1 Pre-line operation ................................................................................................................... 65
11.2.2 MCU interface timing ............................................................................................................. 66
11.2.3 RGB Interface Timing .............................................................................................................. 66
11.3 Special Function Registers .............................................................................................................. 67
11.4 User Guide or Program Example .................................................................................................... 74
11.4.1 RGB panel driver ..................................................................................................................... 74
11.4.2 MCU panel driver .................................................................................................................... 74
11.4.3 TE trigger mode for MCU panel .............................................................................................. 75
11.5 Data format control ........................................................................................................................ 75
11.5.1 Data engine read data re-order .............................................................................................. 75
12 Package Dimensions .............................................................................................................................. 80
V 1 Product Overview
AX327X Video recorder Microcontroller Version 1.4.1
Copyright © 2017, www.appotech.com. All Rights Reserved.
Duty of confidentiality. Accountability
12.1 QFN88 ............................................................................................................................................. 80
12.2 LQFP64 & LQPF48 ............................................................................................................................. 1
Appendix I History ........................................................................................................................................... 3
