MEC1322 Datasheet, PDF (277/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
TABLE 23-7: EC-ONLY REGISTER BASE ADDRESS TABLE
Block Instance
Instance
Number
Host
Address Space
Base Address (Note 23-1)
PECI Interface
0
EC
32-bit Internal
4000_6400h
Address Space
Note 23-1 The Base Address indicates where the first register can be accessed in a particular address space
for a block instance.
TABLE 23-8: PECI INTERFACE REGISTER SUMMARY
Offset
Register Name (Mnemonic)
00h
Write Data Register
04h
Read Data Register
08h
Control Register
0Ch
Status Register 1
10h
Status Register 2
14h
Error Register
18h
Interrupt Enable 1 Register
1Ch
Interrupt Enable 2 Register
20h
Optimal Bit Time Register (Low Byte)
24h
Optimal Bit Time Register (High Byte)
28h
MCHP Reserved
2Ch
MCHP Reserved
30h-3Ch Reserved
40h
Block ID Register
44h
Revision Register
48h - 7Ch MCHP Reserved
Note: MCHP Reserved registers are reserved for Microchip use only. Reading and writing MCHP Reserved reg-
isters may cause undesirable results
For register details see References [1].
 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 277