STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 17

• Manufacturer Part Number: STMPE821QTR
• Description: IC CTLR TOUCH KEY 8CH CAP 16-QFN
• Manufacturer: STMicroelectronics
• Type: Capacitiver

Specifications of STMPE821QTR

• Number Of Inputs/keys: 8 Key
• Data Interface: I²C
• Voltage - Supply: 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Voltage Supply Source: Single Supply
• Resolution: 7 bit to 10 bit
• Interface Type: I2C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Channels: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sampling Rate (per Second): -
• Resolution (bits): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-8826-2

STMPE821
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
0x0F
16-bit revision number
0x03
R/W
0x00
The reset control register enables to reset 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 the hibernate mode. Hardware resets this bit to ‘0’ after it successfully enters
hibernate mode.
5
4
Doc ID 14478 Rev 5
SLEEP
3
WARM_RESET
2
System and identification registers
System configuration 1
SOFT_RESET
1
Revision number
HIBERNATE
0
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