STMPE321 ST Microelectronics, STMPE321 Datasheet - Page 15

• Manufacturer Part Number: STMPE321
• Description: 3-channel capacitive touch key controller
• Manufacturer: ST Microelectronics

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STMPE321
ID_VER
Address:
Type:
Reset:
Description:
SYS_CFG_1
Address:
Type:
Reset:
Description:
SYS_CFG_2
Address:
Type:
Reset:
Description:
SENSOR
CLOCK 2
7
7
SENSOR
CLOCK 1
[7:4] RESERVED
[7:5] SENSOR CLOCK: See description in
[3] SLEEP:
[2] WARM_RESET:
[1] SOFT_RESET:
[0] HIBERNATE: Force the device into hibernation mode.
[4] RESERVED
[3] RESERVED
6
6
RESERVED
0x02
R
0x0F
16-bit revision number
0x03
R/W
0x00
The reset control register enables the reset of the device
Write ‘1’ to enable sleep mode. Hardware resets this bit to ‘0’ after it successfully enters sleep
mode.
Write ‘1’ to initiate a warm reset. Register content remains, state machine reset.
Write ‘1’ to initiate a soft reset. All registers content and state machines reset.
Write ‘1’ to enter hibernate mode. Hardware resets this bit to ‘0’ after it successfully enters
hibernate mode.
0x04
R/W
0xEF
This register enables the switching off of the clock supply
SENSOR
CLOCK 0
5
5
4
4
-
Doc ID 15791 Rev 1
DISABLE
SLEEP
3
3
Table 7.
WARM_RESET
GPIO CLOCK
DISABLE
2
2
System and identification registers
System configuration 1
System configuration 2
SOFT_RESET
FIFO CLOCK
DISABLE
1
1
Revision number
TOUCH CLOCK
HIBERNATE
DISABLE
0
0
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