Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
Table 2.1 Pin Description for CAP1114 (continued)
PIN NUMBER
PIN NAME
PIN FUNCTION
PIN TYPE
8
9
VDD
Positive Power supply
LED1 - Open drain LED driver (default)
GPI1 - GPIO 1 Input
Power
OD (5V)
DI (5V)
DO
LED1 / GPIO1
GPO1 - GPIO 1 push-pull output
LED2 - Open drain LED driver (default)
GPI2 - GPIO 2 Input
10
11
12
13
14
15
16
LED2 / GPIO 2
LED3 / GPIO3
LED4 / GPIO4
LED5 / GPIO5
LED6 / GPIO6
LED7 / GPIO7
LED8 / GPIO8
OD (5V)
DI (5V)
DO
GPO2 - GPIO 2 push-pull output
LED3 - Open drain LED driver (default)
GPI3 - GPIO 3 Input
OD (5V)
DI (5V)
DO
GPO3 - GPIO 3 push-pull output
LED4 - Open drain LED driver (default)
GPI4 - GPIO 4 Input
OD (5V)
DI (5V)
DO
GPO4 - GPIO 4 push-pull output
LED5 - Open drain LED driver (default)
GPI5 - GPIO 5 Input
OD (5V)
DI (5V)
DO
GPO5 - GPIO 5 push-pull output
LED6 - Open drain LED driver (default)
GPI6 - GPIO 6 Input
OD (5V)
DI (5V)
DO
GPO6 - GPIO 6 push-pull output
LED7 - Open drain LED driver (default)
GPI7 - GPIO 7 Input
OD (5V)
DI (5V)
DO
GPO7 - GPIO 7 push-pull output
LED8 - Open drain LED driver (default)
GPI8 - GPIO 8 Input
OD (5V)
DI (5V)
DO
GPO8 - GPIO 8 push-pull output
LED9 - Open drain LED driver
LED10 - Open drain LED driver
LED11 - Open drain LED driver
Active High Interrupt / Wake Up Input
17
18
19
20
21
LED9
LED10
LED11
OD (5V)
OD (5V)
OD (5V)
DIO
ALERT
SMDATA
Bi-directional SMBus data - requires a pull-up
resistor
DIOD (5V)
22
23
SMCLK
RESET
SMBus clock input - requires a pull-up resistor
DI (5V)
DI (5V)
Soft reset for system - resets all registers to
default values
SMSC CAP1114
Revision 1.1 (02-04-11)
DATA1S3HEET
SMSC [ SMSC CORPORATION ]
