STMPE321QTR STMicroelectronics, STMPE321QTR Datasheet - Page 15

• Manufacturer Part Number: STMPE321QTR
• Description: IC CTLR TOUCH KEY 3CH 12-QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitiver

Specifications of STMPE321QTR

• Number Of Inputs/keys: 3 Key
• Resolution (bits): 8 b
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k
• Voltage - Supply: 1.65 V ~ 1.95 V
• Mounting Type: Surface Mount
• Package / Case: 12-QFN
• Voltage Supply Source: Single Supply
• Resolution: 7 bit to 10 bit
• Interface Type: I2C
• Supply Voltage (max): 1.95 V
• Supply Voltage (min): 1.65 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Sampling Rate (per Second): -
• Lead Free Status / Rohs Status: Details
• Other names: 497-8985-2

STMPE321
ID_VER
Address:
Type:
Reset:
Description:
SYS_CFG_1
Address:
Type:
Reset:
Description:
7
[7:4] RESERVED
[3] SLEEP:
[2] WARM_RESET:
[1] SOFT_RESET:
[0] HIBERNATE: Force the device into hibernation mode.
6
RESERVED
0x02
R
0x03
8-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.
5
4
Doc ID 15791 Rev 3
SLEEP
3
WARM_RESET
2
System and identification registers
System configuration 1
SOFT_RESET
1
Revision number
HIBERNATE
0
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