Document Number: 001-87220 Rev. *J

Page 9 of 43

Datasheet

Pinouts

The following is the pin-list for PSoC 4100 (44-TQFP, 40-QFN, 28-SSOP, and 48-TQFP). Port 2 comprises of the high-speed Analog inputs for the SAR Mux. P1.7 is the

optional external input and bypass for the SAR reference. Ports 3 and 4 contain the Digital Communication channels. All pins support CSD CapSense and analog mux bus

connections.

44-TQFP

40-QFN

28-SSOP

48-TQFP

Alternate Functions for Pins

Pin Description

Pin

Name

Pin

Name

Pin

Name

Pin

Name

Analog

Alt 1

Alt 2

Alt 3

Alt 4

1VSS

–

–

–

–

–

–

–

–

–

–

–

Ground

2

P2.0

1

P2.0

–

–

2

P2.0

sarmux.0

–

–

–

–

Port 2 Pin 0: gpio, lcd, csd, sarmux

3

P2.1

2

P2.1

–

–

3

P2.1

sarmux.1

–

–

–

–

Port 2 Pin 1: gpio, lcd, csd, sarmux

4

P2.2

3

P2.2

5

P2.2

4

P2.2

sarmux.2

–

–

–

–

Port 2 Pin 2: gpio, lcd, csd, sarmux

5

P2.3

4

P2.3

6

P2.3

5

P2.3

sarmux.3

–

–

–

–

Port 2 Pin 3: gpio, lcd, csd, sarmux

6

P2.4

5

P2.4

7

P2.4

6

P2.4

sarmux.4

tcpwm0_p[1]

–

–

–

Port 2 Pin 4: gpio, lcd, csd, sarmux, pwm

7

P2.5

6

P2.5

8

P2.5

7

P2.5

sarmux.5

tcpwm0_n[1]

–

–

–

Port 2 Pin 5: gpio, lcd, csd, sarmux, pwm

8

P2.6

7

P2.6

9

P2.6

8

P2.6

sarmux.6

tcpwm1_p[1]

–

–

–

Port 2 Pin 6: gpio, lcd, csd, sarmux, pwm

9

P2.7

8

P2.7

10

P2.7

9

P2.7

sarmux.7

tcpwm1_n[1]

–

–

–

Port 2 Pin 7: gpio, lcd, csd, sarmux, pwm

10

VSS

9

VSS

–

–

–

–

–

–

–

–

–

Ground

––

–

–

–

–

10

NC

–

–

–

–

–

No Connect

––

–

–

–

–

11

NC

–

–

–

–

–

No Connect

11

P3.0

10

P3.0

11

P3.0

12

P3.0

–

tcpwm0_p[0]

scb1_uart_rx[0]

scb1_i2c_scl[0]

scb1_spi_mosi[0]

Port 3 Pin 0: gpio, lcd, csd, pwm, scb1

12

P3.1

11

P3.1

12

P3.1

13

P3.1

–

tcpwm0_n[0]

scb1_uart_tx[0]

scb1_i2c_sda[0]

scb1_spi_miso[0]

Port 3 Pin 1: gpio, lcd, csd, pwm, scb1

13

P3.2

12

P3.2

13

P3.2

14

P3.2

–

tcpwm1_p[0]

–

swd_io[0]

scb1_spi_clk[0]

Port 3 Pin 2: gpio, lcd, csd, pwm, scb1,

swd

–

–

–

–

–

–

15

VSSD

–

–

–

–

–

Ground

14

P3.3

13

P3.3

14

P3.3

16

P3.3

–

tcpwm1_n[0]

–

swd_clk[0]

scb1_spi_ssel_0[0] Port 3 Pin 3: gpio, lcd, csd, pwm, scb1,

swd

15

P3.4

14

P3.4

–

–

17

P3.4

–

tcpwm2_p[0]

–

–

scb1_spi_ssel_1

Port 3 Pin 4: gpio, lcd, csd, pwm, scb1

16

P3.5

15

P3.5

–

–

18

P3.5

–

tcpwm2_n[0]

–

–

scb1_spi_ssel_2

Port 3 Pin 5: gpio, lcd, csd, pwm, scb1

17

P3.6

16

P3.6

–

–

19

P3.6

–

tcpwm3_p[0]

–

–

scb1_spi_ssel_3

Port 3 Pin 6: gpio, lcd, csd, pwm, scb1

18

P3.7

17

P3.7

–

–

20

P3.7

–

tcpwm3_n[0]

–

–

–

Port 3 Pin 7: gpio, lcd, csd, pwm

19

VDDD

–

–

–

–

21

VDDD

–

–

–

–

–

Digital Supply, 1.8 - 5.5V

20

P4.0

18

P4.0

15

P4.0

22

P4.0

–

–

scb0_uart_rx

scb0_i2c_scl

scb0_spi_mosi

Port 4 Pin 0: gpio, lcd, csd, scb0

21

P4.1

19

P4.1

16

P4.1

23

P4.1

–

–

scb0_uart_tx

scb0_i2c_sda

scb0_spi_miso

Port 4 Pin 1: gpio, lcd, csd, scb0

22

P4.2

20

P4.2

17

P4.2

24

P4.2

csd_c_mod

–

–

–

scb0_spi_clk

Port 4 Pin 2: gpio, lcd, csd, scb0

23

P4.3

21

P4.3

18

P4.3

25

P4.3

csd_c_sh_tank

–

–

–

scb0_spi_ssel_0

Port 4 Pin 3: gpio, lcd, csd, scb0

––

–

–

–

–

26

NC

–

–

–

–

–

No Connect

––

–

–

–

–

27

NC

–

–

–

–

–

No Connect