SC9638EP
PIN DESCRIPTION
Pin No.
1
2
3
4
5
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
32
33
34
35
36
37
38
Symbol
PA.2/ADIN2
PA.1/ADIN1
PA.0/ADIN0
PB.0/INT0
PB.1/INT1
PB.2/BUZZ
PB.4
PB.5
PB.6
PB.7
MVSS
AMIN
FMIN
MVDD
MRST
MTEST
MXI
MXO
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
VPP
VDD0
VSS0
VREF
VOR
FILTCR
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
--
--
--
--
--
--
I
O
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Description
I/O port is duplex as input channel 2 of ADC.
I/O port is duplex as input channel 1 of ADC.
I/O port is duplex as input channel 0 of ADC.
I/O port is duplex as external interrupt input INT0.
I/O port is duplex as external interrupt input INT1.
BUZZ state detecting and buzz signal output
Common I/O port
Common I/O port
Common I/O port
Common I/O port
Analog Ground for Frequency counting of radio receiver.
AM local oscillator signal input
FM local oscillator signal input
MCU Power Supply
MCU Reset
MCU Test pin which is connected to the ground.
The crystal oscillator (75KHz) input pin.
The crystal oscillator (75KHz) output pin.
LCD COM0 Port
LCD COM1 Port
LCD COM2 Port
LCD COM3 Port
LCD SEG0 Port
LCD SEG1 Port
LCD SEG2 Port
LCD SEG3 Port
LCD SEG4 Port
LCD SEG5 Port
LCD SEG6 Port
LCD SEG7 Port
LCD SEG8 Port
LCD SEG9 Port
OTP Power Supply
+5V DAC Power Supply
DAC GND
Internal reference voltage whose typical value is 0.5VDD
DAC right channel output
DAC right channel filter capacitor.
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2008.03.24
Page 4 of 13
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
