STMPE812ABJR STMicroelectronics, STMPE812ABJR Datasheet - Page 20

• Manufacturer Part Number: STMPE812ABJR
• Description: Touch Screen Converters & Controllers Touchscreen cntrlr S-Touch
• Manufacturer: STMicroelectronics
• Type: Resistive Touch Controllersr

Specifications of STMPE812ABJR

• Rohs: yes
• Input Type: 1 TSC
• Data Rate: 400 kbps
• Resolution: 12 bit
• Interface Type: 4-wire, I2C
• Supply Voltage: 1.65 V to 3.6 V
• Supply Current: 100 uA
• Operating Temperature: - 40 C to + 85 C
• Package / Case: CSP-12
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.65 V

System and identification registers
PORT_FUNCTION
Address:
Type:
Reset:
Description:
SCRATCH_PAD
Address:
Type:
Reset:
Description:
20/53
PORT 2 FUNCTION
7
1
7
0
Port function:
'00' - GPIO input
'01' - GPIO output
'10' - ADC input (P1 only)
'11' - Special function
Special function for:
P0 - NONE
P1 - PWM
P2 - INT output
[15:0] SCRATCHPAD
[7:6] PORT 2 FUNCTION
[5:4] RESERVED
[3:2] PORT 1 FUNCTION
[1:0] PORT 0 FUNCTION
6
1
6
0
0x04
R/W
0xF8
Port function control register.
0x06 - 07
R/W
0x00
General purpose scratch pad register. Could be used for testing of serial interface
reliability.
5
1
5
0
RESERVED
4
1
4
0
Doc ID 18225 Rev 4
SCRATCHPAD
3
1
3
0
PORT 1 FUNCTION
2
0
2
0
Port function control register
Scratch pad register
1
0
1
0
PORT 0 FUNCTION
STMPE812A
0
0
0
0