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SC9351 Datasheet, PDF (6/19 Pages) Silan Microelectronics Joint-stock – AUDIO SYSTEM CONTROL MCU
SC9351
Pin No.
14
15
16
17
18~25
26~28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51~58
59
60
61
62
63
64
Pin Name
P2.5/INT1
VDD2o5O
VDDLDO
VSSLDO
P5.0~5.7
P6.0~6.2
VDD
XIN
XOUT
VSS
P7.5/DE_SI
P7.6/DE_SO
P7.7/DE_CLK
VDD2o5
VSS
P10.0/SDA
P10.1/SCK
nDBG
P9.1/TXD0
P9.2/RXD0
P9.3/TXD1
P9.4/RXD1
P9.5/SDI
P9.6/SDO
P9.7/SCLK
VDD
VSS
VDD2o5
P0.0~0.7
P1.0/PWM
P1.1
P1.2
P1.6/INT6
P1.7/INT7
P2.0/BUZ
I/O
Pin Function
I/O General I/O pin; alternate function is external interrupt input INT1
-- 2.5V output pin of LDO with a 1~10uF capacitor to power the core
-- Power supply of LDO, input voltage is 2.7~3.3V
-- Ground of LDO
I/O General I/O port P5 with 8 pins
I/O General I/O port P6 with 3 pins
-- 3.3V power supply
I
12MHz oscillator input pin.
O 12MHz oscillator output pin.
-- Ground
I/O General I/O pin; used as data serial-in in debug mode.
I/O General I/O pin; used as data serial-out in debug mode.
General I/O pin; input synchronous communication clock in debug
I/O
mode
-- 2.5V power input
-- Ground
I/O General I/O pin; alternate function is data port of I2C
I/O General I/O pin; alternate function is clock of I2C
Debug mode selection with pull-up resistor; enter Debug mode when
I
it is connected to ground.
I/O General I/O pin; alternate function is TXD of UART0
I/O General I/O pin; alternate function is RXD of UART0
I/O General I/O pin; alternate function is TXD of UART1
I/O General I/O pin; alternate function is RXD of UART1
I/O General I/O pin; alternate function is data-in of SPI
I/O General I/O pin; alternate function is data-out of SPI
I/O General I/O pin; alternate function is clock of SPI
-- 3.3V power supply
-- Ground
-- 2.5V power input
I/O General I/O port P0 with 8 pins
I/O General I/O pin; alternate function is PWM waveform output
I/O General I/O pin
I/O General I/O pin
I/O General I/O pin; alternate function is external interrupt input INT6
I/O General I/O pin; multiplexing with external interrupt input INT7
I/O General I/O pin; multiplexing with BUZ output
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.0 2009.02.16
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