King Billion Electronics Co., Ltd

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HE85750

HE80000 SERIES

2003/7/30

3

V1.52E

This specification is subject to change without notice. Please contact sales person for the latest version before use.

Pin No

Pin Name

I/O

Function

Description

34..

37

PRTC[7:4]

B 4-pin bi-directional I/O port.

Mask options：

MO_CPP[7..5]=1 ~ Push-pull.

=0 ~ Open-drain.

Output must be “1” before reading whenever uses them as

input (No tri-state structure).

24..

31

PRTD[7:0]

B

8-pin bi-directional I/O port.

PRTD[7..2] as wake-up pin.

PRTD[7..6] as external interrupt

pin.

Mask options：

MO_DPP[7..0]=1 ~ Push-pull.

=0 ~ Open-drain.

Output must be “1” before reading whenever uses them as

input (No tri-state structure).

94..

101

PRT14[7:0]/

SEG[23:16]

B/

O

8-pin bi-directional I/O port that

is shared with LCD segment pin.

Mask options：

MO_LIO14[7..0]=1 ~ LCD Pin.

=0 ~ I/O Pin.

MO_14PP[7..0]=1 ~ Push-pull.

=0 ~ Open-drain.

Output must be “1” before reading whenever uses them as

input (No tri-state structure).

102..

109

PRT15[7:0]/

SEG[15:8]

B/

O

8-pin bi-directional I/O port that

is shared with LCD segment pin.

Mask options：

MO_LIO15[7..0]=1 ~ LCD Pin.

=0 ~ I/O Pin.

MO_15PP[7..0]=1 ~ Push-pull.

=0 ~ Open-drain.

Output must be “1” before reading whenever uses them as

input (No tri-state structure).

110..

117

PRT17[7:0]/

SEG[7:0]

B/

O

8-pin bi-directional I/O port that

is shared with LCD segment pin.

Mask options：

MO_LIO17[7..0]=1 ~ LCD Pin.

=0 ~ I/O Pin.

MO_17PP[7..0]=1 ~ Push-pull.

=0 ~ Open-drain.

Output must be “1” before reading whenever uses them as

input (No tri-state structure).

53..38

118..

133

COM[31:0]

O LCD COMMON Output

69..54 CMSG[47:32]

O COM[47:32] / SEG[48:63]

70..93

SEG[47:24]

O LCD SEGMENT Output

LCD Data filled from PAGE 6 and 7, please refer the LCD

RAM map.

2

LC2

B Charge Pump Switch 1

1

LC1

B Charge Pump Switch 2

Add one 0.1 µF capacitor between LC1 and LC2. Please

refer the application circuit.

5

L V3

B Charge Pump V3

4

L V2

B Charge Pump V2

3

L V1

B Charge Pump V1

LV3< 8.5 Volts.

Please refer the application circuit.

6..10

LR[4..0]

B LCD Resister level 4 ~ 1

Please refer the application circuit.

11

L VG

I

LCD Virtual Ground

Please refer the application circuit.

33

PWM

O

The PWM positive output can

drive speaker or buzzer directly.

Set the bit2 of VOC register as one to turn on PWM.

13

VO

O D/A output.

Bit 1 of VOC = ‘1’ , Turn on DA

14

OPIN

I

DAC Voice Output

15

OPIP

I

OPAMP negative input pin.

16

OPO

O OPAMP positive input pin.

Set the VOC[1] (DA=1) to turn on DAC with VO output.

Built-in OP comparator. Set the VOC[0] = ‘1’ , Turn on OP

23

VDD

P OPAMP output pin.

12

GND

P Power Ground Input

32

GND_PWM

P Dedicated PWM Ground

All of power must connect to power source, can not be

floating.