SN69040B データシートの表示（PDF） - Sonix Technology Co., Ltd
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SN69040B Datasheet PDF : 5 Pages
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SN69040B
LCD Controller with Voice/Dual Tone Melody
PIN ASSIGNMENT
Symbol
I/O
SEG1-SEG24 O
SEG25/P53-SE O
G28/P50
SEG29/P43-SE O
G32/P40
COM1-COM4 O
GND
I
P33-P30
I/O
P23-P20
I/O
BU1,BU2
O
VO
O
RST
I
OSC
I
TEST
I
XIN,XOUT
VDD
I
Function Description
segment 1~24 for LCD driver
Optional to be SEG25-SEG28 or P53-P50
SEG25-28: segment25~28 for LCD driver.
P53-P50: Bit3-bit0 for output port 5.
Optional to be SEG29~SEG32 or P43-P40
SEG29~32: segment29~32 for LCD driver.
P43~P40: Bit3-bit0 for output port 4.
Com1-Com4 for 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.
Ver 1.1
2
February 15, 2006
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