2
松翰科技股份有限公司
SONiX TECHNOLOGY CO., LTD.
SN9C2038AF specification
3. Pin description
ver 1.02 2003/08/21
Driving
TEST=0
TEST=1
Pin No.
PIN NAME
DIR
Description
capacity (mA) (INT_ROM) (EXT_ROM)
1
LCD_COM0
LCD_COM1
LCD_COM2
LCD_COM3
LCD_SEG0
LCD_SEG1
LCD_SEG2
LCD_SEG3
LCD_SEG4
LCD_SEG5
LCD_SEG6
LCD_SEG7
LCD_VA
LCD_VB
LCD_VC
ADIO3
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
P
4
4
4
4
4
4
4
4
4
4
4
4
LCD_COM0 LCD_COM0 Common0 for LCD
LCD_COM1 LCD_COM1 Common1 for LCD
2
3
LCD_COM2 LCD_COM2 Common2 for LCD
LCD_COM3 LCD_COM3 Common3 for LCD
4
5
LCD_SEG0
LCD_SEG1
LCD_SEG2
LCD_SEG3
LCD_SEG4
LCD_SEG5
LCD_SEG6
LCD_SEG7
LCD_VA
LCD_SEG0 Segment0 for LCD
LCD_SEG1 Segment1 for LCD
LCD_SEG2 Segment2 for LCD
LCD_SEG3 Segment3 for LCD
LCD_SEG4 Segment4 for LCD
LCD_SEG5 Segment5 for LCD
LCD_SEG6 Segment6 for LCD
LCD_SEG7 Segment7 for LCD
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
LCD_VA
LCD_VB
LCD_VC
ADIO3
Voltage A for LCD
Voltage B for LCD
Voltage C for LCD
Audio I/O03
LCD_VB
LCD_VC
4
ADIO3
GND
GND for I/O and core
VDD for I/O and core
Audio I/O2
VDD
P
ADIO2
B
B
B
B
P
4
4
4
8
ADIO2
ADIO1
ADIO0
GPIO1
ADIO2
ADIO1
ADIO0
GPIO1
ADIO1
Audio I/O1
ADIO0
Audio I/O0
GPIO1
General purpose I/O
VDD for oscillator
OSC input
XVDD
XIN
I
~CLK
X
~CLK
X
XOUT
B
P
OSC output
XVSS
GND for oscillator
KEY0 input (MODE)
KEY1 input (ENTER)
Address bus for SDRAM
Address bus for SDRAM
Address bus for SDRAM
KEY0
I
4
4
4
4
4
KEY0
KEY1
VA0
KEY0
KEY1
VA0
KEY1
I
VA0
B
B
B
VA1
VA1
VA1
VA2
VA2
VA2
2
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