stmpe1801 STMicroelectronics, stmpe1801 Datasheet - Page 18

• Manufacturer Part Number: stmpe1801
• Description: Xpander Logic? 18-bit Enhanced Port Expander With Keypad Controller
• Manufacturer: STMicroelectronics

System controller
7
7.1
CHIP_ID
VERSION_ID
18/60
R
R
7
1
7
0
System controller
System level registers
The system controller is the heart of the STMPE1801. It contains the registers for power
control and chip identification.
The system registers are:
R
R
6
1
6
0
Address
00
01
02
R
R
5
0
5
0
R
R
4
0
4
1
Doc ID 17884 Rev 3
8-bit VERSION_ID
8-bit CHIP_ID
R
R
3
0
3
0
R
R
2
0
2
0
Version identification register
Register name
VERSION_ID
SYS_CTRL
CHIP_ID
Chip identification register
R
R
1
0
1
0
STMPE1801
R
R
0
1
0
0