STEVAL-TCS003V1 STMicroelectronics, STEVAL-TCS003V1 Datasheet - Page 48

• Manufacturer Part Number: STEVAL-TCS003V1
• Description: BOARD DEMO EXPANDER STMPE2403
• Manufacturer: STMicroelectronics

Specifications of STEVAL-TCS003V1

• Main Purpose: Interface, GPIO Expander
• Embedded: No
• Utilized Ic / Part: STMPE2403
• Primary Attributes: 8/16/24-Bit 24-Port GPIO Expander over I2C
• Secondary Attributes: 3 8-Bit PWM Output for LEDs, Keyboard Matrix Scan, Special Key Support
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8206

Keypad controller
12.2
48/63
Figure 10. Dedicated key configuration
Registers in keypad controller
Table 45. Registers in keypad controller
Address
0x6C
0x6A
0x6B
0x60
0x61
0x62
0x63
0x64
0x68
0x69
Input 0-3
STMPE2403
4*1212 (9648) Matrix Keys
4 Special Function Keys
04 Dedicated Keys
KPC_data_byte0
KPC_data_byte1
KPC_data_byte2
KPC_data_byte3
KPC_data_byte4
Register Name
KPC_row_msb
KPC_ctrl_msb
KPC_row_lsb
KPC_ctrl_lsb
KPC_col
Special FunctionDedicated
Keys
Input 4-7
Keypad column scanning register
Keypad row scanning register
Keypad control register
Keypad data register
Description
Matrix Keypad
(4*12)
(during sequential R/W)
Special Function Keys
Auto-Increment
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
STMPE2403