SN6A296
LCD Controller with Voice/Dual Tone Melody
PIN ASSIGNMENT
Symbol
SEG1-SEG4
I/O
O
Function Description
Optional to be segment1~4 or P40~P43
SEG1~4: segment1~4 for LCD driver.
P40~P43: bit0-bit3 for output port 4.
SEG5-SEG8
O
Optional to be segment5~8 or P50~P53
SEG5~8: segment5~8 for LCD driver.
P50~P53: bit0-bit3 for output port 5.
SEG9-SEG33
SEG34/COM16-
SEG40/COM10
O
O
Segment 9 ~ segment 33 for LCD driver
Optional to be SEG34~40 or COM16~10
SEG34~40: segment34~40 for 8*40/4*40 LCD
driver.
COM16-10: com16~com10 for 16*33 LCD driver.
COM9
COM8-COM1
GND
P33-P30
P23-P20
BU1,BU2
VO
RESET
OSC
TEST
XIN,XOUT
V
DD
VLCDR
VLC1-VLC5
WSUB
I
I
O
O
I
I/O
I/O
O
O
I
I
I
Com9 for 16*33 LCD driver.
Com8-Com1 for 16*33/8*40/4*40 LCD driver.
Negative power supply.
Bit 3 to bit 0 of IO port 3.
Bit 3 to bit 0 of IO port 2.
Buzzer driver outputs.
D/A current output.
Reset pin with internal pull low.
Oscillation component connection pin.
For testing only.
32768 Hz Crystal connection pins.
Positive power supply.
LCD voltage adjusting pin.
LCD voltage bias connection pins.
Well substrate of chip. Connected to the highest
voltage of chip (VDD or VLCDR).
Version: 1.01
2
September 26, 2002
SONIX [ SONIX TECHNOLOGY COMPANY ]
