GPLB30A

© Generalplus Technology Inc.

Proprietary & Confidential

5

JAN. 07, 2008

Version: 1.4

5. SIGNAL DESCRIPTIONS

Total: 114 pins

Mnemonic

PIN No.

Type

Description

SEG11 - 0

SEG47 - 12

SEG69 - 67 / PA5 - 7

SEG66 - 65 / PC2 - 3 / Tx, Rx

SEG64 - 57 / PB0 - 7

SEG56 - 53 / PC4 - 7

SEG52 - 48 / PD0 - 4

1 - 12

79 - 114

57 - 59

60 - 61

62 - 69

70 - 73

74 - 78

O

O

I/O

I/O

I/O

I/O

I/O

LCD driver segment output. SEG15 - 0 share pin with key scan port.

SEG69 - 67 optioned to PA5 - 7.

SEG66 - 65 optioned to PC2/Tx, PC3/Rx.

SEG64 - 57 optioned to PB0 - 7.

SEG56 - 53 optioned to PC4 - 7(PortC 4, 5 shared with Ext-I, Ext-ck).

SEG52 - 48 optioned to PD0 - 4.

COM15 - 0

28 - 13

O

LCD driver common output.

PA4 - 0

56 - 52

I/O

Port A is a bi-directional I/O port, which can be software programmed as wake up

I/O.

PC0 / MC0 / SCK

PC1 / MC1 / SDA

48

47

I/O

Port C is a bi-directional I/O port.

Share pin with Bus Extender MC1 - 0.

Also

share pin with SDA/SCK.

ROSC

34

I

R-oscillator input, connect to VDD through a resistor.

RESET

33

I

System reset input, low active.

AUDA, AUDB

32, 30

O

PWM audio output.

X32I

37

I

32.768KHz crystal input or connects to VDD through a resistor (option).

X32O

36

O

32.768KHz crystal output.

TEST

35

I

Test input.

VROUT

48

P

Internal regulator output.

Enable or disable via bonding option.

Should be connected to VDD if internal Regulator is disabled.

CUP4 - 1

42 - 39

P

LCD voltage generation.

Charge pump capacitor inter-connection pins.

VLCD

51

P

LCD voltage generation.

V4 - 1

46 - 43

P

LCD voltage generation.

VDD

50

P

Power supply voltage input.

VSS

38

P

Ground reference.

PVDD

31

P

PWM driver power.

PVSS

29

P

PWM driver ground reference.

BOPT0

BOPT1

31A

50A

B

Internal regulator output voltage select option pin (internally pull-low)*.

BOPT2

38A

B

Internal regulator enable/disable option pin (internally pull-high)*.

Legend: I = Input, O = Output, P = Power, B = Bonding option

Note*: See bonding option section for details.