CEC1712 datasheet(5/338 Pages) MICROCHIP

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DS00003416C-page 5

CEC1712

Table Of Contents

1.0 General Description ........................................................................................................................................................................ 6

2.0 Pin Configuration .......................................................................................................................................................................... 10

3.0 Device Inventory ........................................................................................................................................................................... 31

4.0 Power, Clocks, and Resets ........................................................................................................................................................... 65

5.0 ARM M4 Based Embedded Controller .......................................................................................................................................... 80

6.0 RAM and ROM ..............................................................................................................................................................................90

7.0 Internal DMA Controller ................................................................................................................................................................ 92

8.0 EC Interrupt Aggregator .............................................................................................................................................................. 108

9.0 Chip Configuration ...................................................................................................................................................................... 117

10.0 UART ........................................................................................................................................................................................ 118

11.0 GPIO Interface .......................................................................................................................................................................... 136

12.0 Watchdog Timer (WDT) ............................................................................................................................................................ 152

13.0 16/32 Bit Basic Timer ................................................................................................................................................................ 157

14.0 Input Capture and Compare Timer ........................................................................................................................................... 164

15.0 Hibernation Timer ..................................................................................................................................................................... 177

16.0 RTOS Timer .............................................................................................................................................................................. 180

17.0 Real Time Clock ........................................................................................................................................................................ 185

18.0 Week Timer ............................................................................................................................................................................... 197

19.0 TACH ........................................................................................................................................................................................ 207

20.0 PWM ......................................................................................................................................................................................... 214

21.0 Analog to Digital Converter ....................................................................................................................................................... 219

22.0 Blinking/Breathing LED ............................................................................................................................................................. 231

23.0 I2C/SMBus Interface ................................................................................................................................................................. 247

24.0 Quad SPI Master Controller ...................................................................................................................................................... 251

25.0 Trace FIFO Debug Port (TFDP) ................................................................................................................................................ 270

26.0 VBAT-Powered Control Interface .............................................................................................................................................. 274

27.0 VBAT-Powered RAM ................................................................................................................................................................ 285

28.0 VBAT Register Bank ................................................................................................................................................................. 287

29.0 EC Subsystem Registers .......................................................................................................................................................... 290

30.0 Security Features ...................................................................................................................................................................... 297

31.0 OTP Block ................................................................................................................................................................................. 301

32.0 Test Mechanisms ...................................................................................................................................................................... 304

33.0 Electrical Specifications ............................................................................................................................................................ 306

34.0 Timing Diagrams ....................................................................................................................................................................... 315

Appendix A: Data Sheet Revision History ......................................................................................................................................... 334

The Microchip Web Site .................................................................................................................................................................... 335

Customer Change Notification Service ............................................................................................................................................. 335

Customer Support ............................................................................................................................................................................. 335

Product Identification System ........................................................................................................................................................... 336

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