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CAP1166 Datasheet(PDF) 8 Page - Microchip Technology

Part # CAP1166
Description  6 Channel Capacitive Touch Sensor with 6 LED Drivers
PDF  79 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

CAP1166 Datasheet(HTML) 8 Page - Microchip Technology

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 2015 Microchip Technology Inc.
DS00001621B-page 8
CAP1166
APPLICATION NOTE: When the ALERT# pinis configured as an active low output, it will be open drain. When it is
configured as an active high output, it will be push-pull.
APPLICATION NOTE: For the 5V tolerant pins that have a pull-up resistor, the pull-up voltage must not exceed 3.6V
when the CAP1166 is unpowered.
APPLICATION NOTE: The SPI_CS# pin should be grounded when SMBus, or I2C,communications are used.
The pin types are described in Table 2-2. All pins labeled with (5V) are 5V tolerant.
11
17
ALERT#
ALERT# - Active low alert / interrupt output for SMBus
alert or SPI interrupt
- requires pull-up resistor (default)
OD (5V)
Connect to
GND
ALERT# - Active high push-pull alert / interrupt output
for SMBus alert or SPI interrupt
DO
High-Z
12
18
ADDR_
COMM
Address / communications select pin - pull-down resis-
tor determines address / communications mechanism
AI
n/a
13
19
CS6
Capacitive Touch Sensor Input 6
AIO
Connect to
Ground
14
20
CS5
Capacitive Touch Sensor Input 5
AIO
Connect to
Ground
15
21
CS4
Capacitive Touch Sensor Input 4
AIO
Connect to
Ground
16
22
CS3
Capacitive Touch Sensor Input 3
AIO
Connect to
Ground
17
23
CS2
Capacitive Touch Sensor Input 2
AIO
Connect to
Ground
18
24
CS1
Capacitive Touch Sensor Input 1
AIO
Connect to
Ground
19
1
VDD
Positive Power supply
Power
n/a
20
1
RESET
Active high soft reset for system - resets all registers to
default values. If not used, connect to ground.
DI (5V)
Connect to
Ground
Bottom Pad
12
GND
Ground
Power
n/a
14
GND
Ground
Power
n/a
TABLE 2-1:
PIN DESCRIPTION FOR CAP1166 (CONTINUED)
Pin
Number
(QFN 20)
Pin
Number
(SSOP 24)
Pin Name
Pin Function
Pin Type
Unused
Connection



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