STMPE321QTR STMicroelectronics, STMPE321QTR Datasheet - Page 14

• 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

System and identification registers
5
Table 6.
CHIP_ID_x
Address:
Type:
Reset:
Description:
14/40
Address
0x00
0x01
0x02
0x03
0x04
System and identification registers
System and identification registers map
CHIP_ID_0
CHIP_ID_1
ID_VER
SYS_CFG_1
SYS_CFG_2
Register name
0x00, 0x01
R
0x03, 0x21
16(8+8)-bit device identification
Bit
8
8
8
8
8
Doc ID 15791 Rev 3
Type
R/W
R/W
R
R
R
Reset
0xEF
0x03
0x21
0x03
0x00
Device identification
Device
identification
Device
identification
Revision number
System
configuration 1
System
configuration 2
Function
STMPE321