MEC1404 Datasheet, PDF (5/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
Table Of Contents
1.0 General Description ........................................................................................................................................................................ 6
2.0 Pin Configuration .......................................................................................................................................................................... 12
3.0 Power, Clocks, and Resets ........................................................................................................................................................... 68
4.0 LPC Interface ................................................................................................................................................................................ 99
5.0 Enhanced Serial Peripheral Interface (eSPI) .............................................................................................................................. 132
6.0 Quad SPI Master Controller ........................................................................................................................................................ 133
7.0 Chip Configuration ...................................................................................................................................................................... 152
8.0 MIPS32 M14K Embedded Controller .......................................................................................................................................... 157
9.0 Memory Organization .................................................................................................................................................................. 163
10.0 Jump Table Vectored Interrupt Controller (JTVIC) ................................................................................................................... 164
11.0 Watchdog Timer (WDT) ............................................................................................................................................................ 194
12.0 Embedded Memory Interface (EMI) .......................................................................................................................................... 199
13.0 Mailbox Interface ....................................................................................................................................................................... 216
14.0 ACPI Embedded Controller Interface (ACPI-ECI) ..................................................................................................................... 225
15.0 ACPI PM1 Block Interface ........................................................................................................................................................ 244
16.0 8042 Emulated Keyboard Controller ......................................................................................................................................... 254
17.0 UART ........................................................................................................................................................................................ 273
18.0 Basic Timer ............................................................................................................................................................................... 292
19.0 RTOS Timer .............................................................................................................................................................................. 298
20.0 Hibernation Timer ..................................................................................................................................................................... 305
21.0 RTC/Week Timer ...................................................................................................................................................................... 309
22.0 GPIO Interface .......................................................................................................................................................................... 319
23.0 SMBus Interface ....................................................................................................................................................................... 344
24.0 Internal DMA Controller ............................................................................................................................................................ 348
25.0 PECI Interface ........................................................................................................................................................................... 364
26.0 Tachometer ............................................................................................................................................................................... 368
27.0 PWM ......................................................................................................................................................................................... 376
28.0 Blinking/Breathing PWM ........................................................................................................................................................... 382
29.0 PS/2 Interface ........................................................................................................................................................................... 400
30.0 Keyboard Matrix Scan Interface ................................................................................................................................................ 409
31.0 BC-Link Master ......................................................................................................................................................................... 417
32.0 Trace FIFO Debug Port (TFDP) ................................................................................................................................................ 425
33.0 Port 80 BIOS Debug Port .......................................................................................................................................................... 430
34.0 EC Subsystem Registers .......................................................................................................................................................... 437
35.0 VBAT Register Bank ................................................................................................................................................................. 442
36.0 VBAT-Powered RAM ................................................................................................................................................................ 447
37.0 VBAT-Powered Control Interface .............................................................................................................................................. 450
38.0 Analog to Digital Converter ....................................................................................................................................................... 461
39.0 Digital to Analog Converter ....................................................................................................................................................... 470
40.0 Analog Comparator ................................................................................................................................................................... 476
41.0 Test Mechanisms ...................................................................................................................................................................... 479
42.0 Electrical Specifications ............................................................................................................................................................ 492
43.0 Timing Diagrams ....................................................................................................................................................................... 504
44.0 Register Memory Map ............................................................................................................................................................... 534
The Microchip Web Site .................................................................................................................................................................... 569
Customer Change Notification Service ............................................................................................................................................. 569
Customer Support ............................................................................................................................................................................. 569
Product Identification System ........................................................................................................................................................... 570
 2015 - 2016 Microchip Technology Inc.
DS00001956D-page 5