SC9308
PIN DESCRIPTION
Pin No.
1
Pin Name
PA.0
PA.1
PA.2
PA.3
PA.4
PA.5
PA.6
PA.7
PB.0
PB.1
PB.2
PB.4
PB.5
PC.0
PC.1
RESET
GND
XOUT
XIN
Diplex pin
INT0
I/O
Pin Descriptions
2
INT1
3
INT2
4
INT3
5
TCL0
TCL1
－
Universal input / output;
6
8bit read/write;
I/O
7
Configurable bit operation.
8
BUZ
KS0
9
10
11
12
13
14
15
16
17
18
19
20
21
KS1
KS2
TCLO0
TCLO1
ADC0
I/O
AD input
－
Universal input / output;
Configurable bit operation.
ADC1
VPP
－
System reset pin
－
Digital ground
－
O
I
Low frequency oscillator output
Low frequency oscillator input
Digital power supply
－
－
－
VDD
PC.4
ADC4
Universal input / output; Configurable bit
operation.
I/O
AD input
PC4/5 can also be used as high speed crystal
interface;
22
PC.5
ADC5
－
－
－
－
－
－
I
23
24
TEST
FM
Test enable pin, internal pull-down resistor
FM signal input
25
AM
I
AM signal output
－
O
26
AVSS
Analog ground
27~30
COM0~COM3
LCD display scan common signal
Segments scan signal output, maximum output
4-bit data each pin.
31~38
39~44
SEG0~7
PE.0~7
PF.0~5
I/O
Drive LCD screen together with COM signal.
Can be as general-purpose input/output port.
Segments scan signal output, maximum output
4-bit data each pin.
SEG8~SEG13
I/O
Drive LCD screen together with COM signal.
Can be as common input/output port.
(Refer to LCD module description)
HANGZHOU MICROELECTRONICS CO.,LTD
REV:1.1
2008.10.20
Http://www.silan.com.cn
Page 5 of 17
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