STMPE2401 datasheet(8/55 Pages) STMICROELECTRONICS

部件名	STMPE2401

功能描述	24-bit Enhanced port expander with Keypad and PWM controller Xpander logic

PDF	55 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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8 / 55 page

Pin settings

STMPE2401

8/55

2.3

GPIO Pin functions

Table 2. GPIO Pin functions

Pin N°

Name

Primary

Function

Alternate Function 1 Alternate Function 2 Alternate Function 3

KP_X0

GPIO 0

Keypad input 0

KP_X1

GPIO 1

Keypad input 1

KP_X2

GPIO 2

Keypad input 2

KP_X3

GPIO 3

Keypad input 3

KP_X4

GPIO 4

Keypad input 4

KP_X5

GPIO 5

Keypad input 5

KP_X6

GPIO 6

Keypad input 6

KP_X7

GPIO 7

Keypad input 7

KP_Y5

GPIO 13

Keypad output 5

KP_Y4

GPIO 12

Keypad output 4

KP_Y3

GPIO 11

Keypad output 3

KP_Y2

GPIO 10

Keypad output 2

KP_Y1

GPIO 9

Keypad output 1

KP_Y0

GPIO 8

Keypad output 0

ADDR0

GPIO 15

KP_Y9

GPIO 18

Keypad output 9

Rotator 0

KP_Y10

GPIO 19

Keypad output 10

Rotator 1

KP_Y11

GPIO 20

Keypad output 11

Rotator 2

PWM3

GPIO 23

Channel 3

PWM2

GPIO 22

Channel 2

PWM1

GPIO 21

Channel 1

KP_Y8

GPIO 17

Keypad output 8

ClkOut

KP_Y7

GPIO 16

Keypad output 7

KP_Y6

GPIO 14

Keypad output 6

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