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SN69040B Datasheet(PDF) 2 Page - SONiX Technology Company

Part # SN69040B
Description  LCD Controller with Voice/Dual Tone Melody
PDF  5 Pages
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Manufacturer  SONIX [SONiX Technology Company]
Direct Link  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN69040B Datasheet(HTML) 2 Page - SONiX Technology Company

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SN69040B
LCD Controller with Voice/Dual Tone Melody
PIN ASSIGNMENT
Symbol
I/O
Function Description
SEG1-SEG24
O
segment 1~24 for LCD driver
SEG25/P53-SE
G28/P50
O
Optional to be SEG25-SEG28 or P53-P50
SEG25-28: segment25~28 for LCD driver.
P53-P50: Bit3-bit0 for output port 5.
SEG29/P43-SE
G32/P40
O
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
O
Com1-Com4 for LCD driver.
GND
I
Negative power supply.
P33-P30
I/O
Bit 3 to bit 0 of IO port 3.
P23-P20
I/O
Bit 3 to bit 0 of IO port 2.
BU1,BU2
O
Buzzer driver outputs.
VO
O
D/A current output.
RST
I
Reset pin with internal pull low.
OSC
I
Oscillation component connection pin.
TEST
I
For testing only.
XIN,XOUT
32768 Hz Crystal connection pins.
VDD
I
Positive power supply.
Ver 1.1
February 15, 2006
2



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