8 Channel Capacitive Touch Sensor with 8 LED Drivers
Datasheet
Chapter 1 Pin Description
1
2
3
4
5
6
SPI_CS#
CS5
18
17
16
15
14
13
WAKE / SPI_MOSI
CS6
CS7
CS8
SMDATA / BC_DATA /
SPI_MSIO / SPI_MISO
SMCLK / BC_CLK /
SPI_CLK
CAP1088
24 pin QFN
LED1
LED2
ADDR_COMM
ALERT# / BC_IRQ#
GND
Figure 1.1 CAP1088 Pin Diagram (24-Pin QFN)
Table 1.1 Pin Description for CAP1088
PIN
NUMBER
PIN NAME
PIN FUNCTION
PIN TYPE
1
SPI_CS#
Active low chip-select for SPI bus
DI (5V)
WAKE - Active high wake / interrupt output -
Standby power state
DO
DI
WAKE /
SPI_MOSI
WAKE - Active high wake input - requires pull-down resistor
Deep Sleep power state
2
SPI_MOSI - SPI Master-Out-Slave-In port when used in
normal mode
DI (5V)
Revision 1.1 (08-05-09)
8
SMSC CAP1088
DATASHEET
SMSC [ SMSC CORPORATION ]
