CAP1028-1-BP-TR datasheet(9/71 Pages) SMSC

tên linh kiện	CAP1028-1-BP-TR

Giải thích chi tiết về linh kiện	8 Channel Capacitive Touch Sensor with 2 LED Drivers

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8 Channel Capacitive Touch Sensor with 2 LED Drivers

Datasheet

SMSC CAP1028

9

Revision 1.1 (08-05-09)

DATASHEET

The pin types are described in detail below. All pins labeled with (5V) are 5V tolerant.

3

SMDATA /

BC_DATA /

SPI_MSIO /

SPI_MISO

SMDATA - Bi-directional, open-drain SMBus data - requires

pull-up resistor

DIOD (5V)

BC_DATA - Bi-directional, open-drain BC-Link data - requires

pull-up resistor

DIO

SPI_MSIO - SPI Master-Slave-In-Out bidirectional port when

used in bi-directional mode

DIO

SPI_MISO - SPI Master-In-Slave-Out port when used in normal

mode

DO

4

SMCLK /

BC_CLK /

SPI_CLK

SMCLK - SMBus clock input - requires pull-up resistor

DI (5V)

BC_CLK - BC-Link clock input

DI (5V)

SPI_CLK - SPI clock input

DI (5V)

5

N/C

Not Internally Connected

n/a

6LED1

Open drain LED 1 driver (default)

OD (5V)

Push-pull LED 1 driver

DO

7LED2

Open drain LED 2 driver (default)

OD (5V)

Push-pull LED 2 driver

DO

8

N/C

Not Internally Connected

n/a

9

RESET

Active high soft reset for system - resets all registers to default

values. This pin contains an internal 50uA pull-down current.

DI (5V)

10

ALERT# /

BC_IRQ#

ALERT# - Active low alert / interrupt output usable for SMBus

alert or SPI interrupt

OD (5V)

BC_IRQ# - Active low interrupt / optional for BC-Link

OD (5V)

11

ADDR_COMM

Address / communications select pin - pull-down resistor

determines address / communications mechanism

AI

12

CS8

Capacitive Touch Sensor 8

AIO

13

CS7

Capacitive Touch Sensor 7

AIO

14

CS6

Capacitive Touch Sensor 6

AIO

15

CS5

Capacitive Touch Sensor 5

AIO

16

CS4

Capacitive Touch Sensor 4

AIO

17

CS3

Capacitive Touch Sensor 3

AIO

18

CS2

Capacitive Touch Sensor 2

AIO

19

CS1

Capacitive Touch Sensor 1

AIO

20

VDD

Positive Power supply

Power

Bottom Pad

GND

Ground

Power

Table 1.1 Pin Description for CAP1028 (continued)

NUMBER

PIN NAME

PIN FUNCTION

PIN TYPE

Số phần tương tự - CAP1028-1-BP-TR

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
SMSC Corporation	CAP1026	1Mb / 70P	6 Channel Capacitive Touch Sensor with 2 LED Drivers
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Mô tả tương tự - CAP1028-1-BP-TR

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
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SMSC Corporation	CAP1026	1Mb / 70P	6 Channel Capacitive Touch Sensor with 2 LED Drivers
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