stmpe1801 STMicroelectronics, stmpe1801 Datasheet - Page 19

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

STMPE1801
SYS_CTRL
Address:
Type:
Reset:
Description:
SF_RST
W
7
0
[6:3] RESERVED
[2:1] GPI_DB [1:0]
[7] SF_RST: Soft Reset
[0] RESERVED
R
6
0
02
R/W
0x06
System control register.
Writing a ‘1’ to this bit will do a soft reset of the device. Once the reset is done, this bit is
cleared to ‘0’ by the HW.
GPI [17:0] operational mode de-bounce time
‘00’ = 30 µs
‘01’ = 90 µs
‘10’ = 150 µs
‘11’ = 210 µs (default)
R
0
5
RESERVED
R
0
4
Doc ID 17884 Rev 3
R
0
3
GPI_DB1
RW
1
2
System control register
GPI_DB0
RW
1
1
System controller
RSVD
R
0
0
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