6 Channel Capacitive Touch Sensor with 6 LED Drivers
Datasheet
Chapter 1 Pin Description
RESET
VDD
CS1
CS2
17
20
19
18
SPI_CS#
WAKE / SPI_MOSI
SMDATA / BC_DATA /
SPI_MSIO / SPI_MISO
SMCLK / BC_CLK /
SPI_CLK
LED1
1
2
3
4
5
10
6
7
8
9
16
15
14
CS3
CS4
CS5
CS6
ADDR_COMM
ALERT# / BC_IRQ#
CAP1066
20 pin QFN
13
12
11
GND
LED2
LED3
LED4
LED5
Figure 1.1 CAP1066 Pin Diagram (20-Pin QFN)
Table 1.1 Pin Description for CAP1066
PIN
NUMBER
1
PIN NAME
SPI_CS#
PIN FUNCTION
Active low chip-select for SPI bus
WAKE - Active high wake / interrupt output
Standby power state
LED6
PIN TYPE
DI (5V)
DO
DI
DI (5V)
2
WAKE /
SPI_MOSI
WAKE - Active high wake input - requires pull-down resistor
Deep Sleep power state
SPI_MOSI - SPI Master-Out-Slave-In port when used in
normal mode
Revision 1.1 (08-05-09)
8
SMSC CAP1066
DATASHEET
SMSC [ SMSC CORPORATION ]
