4D SYSTEMS

PICASO OGM Module

© 2013 4D SYSTEMS

Page 6 of 22

www.4dsystems.com.au

I = Input, O = Output, P = Power

OGM Pin Outs (Continued)

Pin

Symbol

I/O

Description

15

BACKLITE

I

Backlight control for external PWM or Digital Control. Please refer to Section 4.3

for information on how this can be controlled externally

16

DISPON

O

Backlight control from the PICASO, must be connected externally to the

BACKLITE pin (Pin 15) in order for PICASO to control the backlight.

17

GND

P

Supply Ground

18

GND

P

Supply Ground

19

RX1

I

Asynchronous serial port 1 receive pin. COM1

20

TX1

O

Asynchronous serial port 1 transmit pin. COM1

21

GND

P

Supply Ground

22

RESET

I

Master Reset, Active Low (GND)

23

TX0

O

Asynchronous serial port 0 transmit pin. COM0

24

RX0

I

Asynchronous serial port 0 receive pin. COM0

25

GND

P

Supply Ground

26

GND

P

Supply Ground

27

I2C_SDA

I/O

I

28

I2C_SCL

O

I

29

GND

P

Supply Ground

30

GND

P

Supply Ground

31

GND

P

Supply Ground

32

AUDENB

O

Audio Amplified Enable

33

AUDIO

O

Raw PWM Audio Output (requires external components)

34

GND

P

Supply Ground

35

GND

P

Supply Ground

36

BUS0

I/O

IO Bus (BUS0..7) bit 0

37

BUS1

I/O

IO Bus (BUS0..7) bit 1

38

BUS2

I/O

IO Bus (BUS0..7) bit 2

39

BUS3

I/O

IO Bus (BUS0..7) bit 3

40

BUS4

I/O

IO Bus (BUS0..7) bit 4

41

BUS5

I/O

IO Bus (BUS0..7) bit 5

42

BUS6

I/O

IO Bus (BUS0..7) bit 6

43

BUS7

I/O

IO Bus (BUS0..7) bit 7

44

GND

P

Supply Ground

45

IO5

I/O

General Purpose Input/Output 5 Pin

46

IO4

I/O

General Purpose Input/Output 4 Pin

47

IO3

I/O

General Purpose Input/Output 3 Pin

48

IO2

I/O

General Purpose Input/Output 2 Pin

49

IO1

I/O

General Purpose Input/Output 1 Pin

50

RAW+3.3V

P

Supply Input +3.3VDC to +3.6VDC, +3.3VDC Nominal

51

GND

P

Supply Ground

52

RAW+VCC

P

Backlight Supply Input +3.3VDC to +5.5VDC, +5VDC Nominal

53

GND

P

Supply Ground

54

GND

P

Supply Ground