STMPE1801BJR STMicroelectronics, STMPE1801BJR Datasheet - Page 48

• Manufacturer Part Number: STMPE1801BJR
• Description: Touch Screen Converters & Controllers Xpander Logic 18-Bit 18 GPIO 1.65 to 3.6V
• Manufacturer: STMicroelectronics

Specifications of STMPE1801BJR

• Rohs: yes
• Input Type: 1 Keypad
• Data Rate: 400 kbps
• Resolution: 18 bit
• Interface Type: I2C
• Supply Voltage: 1.65 V to 3.6 V
• Supply Current: 28 uA
• Operating Temperature: - 40 C to + 85 C
• Package / Case: CSP-25
• 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

Keypad controller
KPC_DATA_BYTE2
Address:
Type:
Reset:
Description:
KPC_DATA_BYTE3
Address:
Type:
Reset:
Description:
48/60
UP/DOWN
SF7
R
R
7
1
7
1
[6:3] C[3:0]: Column number of key 3 (valid range: 0000-1001)
[2:0] R[2:0]: Row number of key 3 (valid range: 000-111)
[7:0] SF[7:0]:
[7] UP/DOWN:
SF6
C3
R
R
6
1
6
1
3C
R
0xF8
Keypad data register.
0: key-down
1: key-up
0x1111: No key
3D
R
0xFF
Keypad data register.
0: key-down
1: key-up
SF5
C2
R
R
5
1
5
1
SF4
C1
R
R
4
1
4
1
Doc ID 17884 Rev 3
SF3
C0
R
R
3
1
3
1
SF2
R2
R
R
2
0
2
1
Keypad data byte 2
Keypad data byte 3
SF1
R1
R
R
1
0
1
1
STMPE1801
SF0
R0
R
R
0
0
0
1