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SC9321 데이터시트 PDF




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부품번호 SC9321 기능
기능 AUDIO SYSTEM CONTROL MCU
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SC9321 데이터시트, 핀배열, 회로
SC9321
AUDIO SYSTEM CONTROL MCU WITH DTS PLL
DESCRIPTION
SC9321 is an audio system controller which realizes the AM/FM tune
receiver (DTS) and other functions. It is based on Silan’s 8-bit MCU
SC65PX and can be operating under low voltage. Built-in LCD driver
which can drive max. 4X23 segments display; 44 configurable I/O
ports; three 8-bit counters, where two of them can be together to
implement 16-bit timing length, and another timer is equipped with
input capture functions; Built-in real time clock ensures the system
continuously counting when it is in sleep state; 9 interrupt sources
including four external interrupts, which makes the system response to
various internal or external events quickly. The serial communication
circuit with selectable multiple operating modes enhanced the
expansibility of the system. Built-in 3.2MHz RC oscillator with external
75KHz oscillator can make a balance between power dissipation and
speed. In high speed application, it can extend external high frequency
oscillator through PC.4/5 pin, maximum up to 8MHz.
The chip can be widely applicable in portable audio control system
with LCD display.
LQFP-64-10x10-0.5
APPLICATIONS
* Widely applied in portable audio
control system with LCD.
ORDERING INFORMATION
Device
SC9321
Package
LQFP-64-10x10-0.5
Seal
SC9321P
FEATURES
* Memory
384-byte data memory
8K-byte (OTP)+ 8K-byte(ROM)
* I/O configuration
General-purpose I/O: 21 pins with pull up resistor;
SEG: also can be used as I/O.
* LCD controller/driver
Drive 11 words display max.
23 SEG x 4 COM
Display mode: duty, bias can be programmable
* 8 –bit timer/counter T0/T1/T2
Timing time can be set by program
External events counting
Arbitrary clock frequency output
T0/T1 can be 16-bit counter
T2 provides input capture function
* Clock source
External clock source: 75KHz oscillator
Built-in RC oscillator: 3.2MHz
Extension oscillator: 2~8MHz(VDD>2.4V@4MHz)
* RTC
Year/month/day display
Provide BCD code data directly
Leap year auto adjust
Timing alarm
* PLL frequency synthesizer
FM/AM
FM frequency range: 30MHz~150MHz
AM frequency range: 0.5MHz~30MHz
* 16-bit IF counter
AMIF range: 100KHz~1MHz
FMIF range: 5MHz~15MHz
AMIF&FMIF share one IF input IFIN
HANGZHOU MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0 2008.02.21
Page 1 of 16
This datasheet has been downloaded from http://www.digchip.com at this page




SC9321 pdf, 반도체, 판매, 대치품
SC9321
(Continued)
Characteristics
Operating Current
Operating Current
Symbol
Test conditions
Min.
IDD1 OSC 75KHz stop, CPU Clk stop
IDD2
IDD3
OSC=75KHz,CPU Clk=75KHz Sleep
(Note 2)
OSC=75KHz,CPU Clk=3.2MHz,
all the modules start
Typ.
4.8
Max.
1
8
3.0
Unit
μA
μA
mA
Note 1: CMOS input, when input voltage is 1.6V, the state of read port is uncertain.
Note 2: Only 75KHz crystal oscillator and RTC are working.
PIN CONFIGURATION
HANGZHOU MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0 2008.02.21
Page 4 of 16

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SC9321 전자부품, 판매, 대치품
SC9321
SHARED PIN DESCRIPTION
Pin no.
17
18
5-8
9
10
11
12
13~16
17
18
23
46~53
54~61
62~64
1~4
28
29
Shared pin
Txd
Rxd
INT0-INT3
TCL0
TCL1
CAPIN
BUZ
KS0-KS3
TCLO0
TCLO1
VPP
PE0~PE7
PF0~PF7
PG0~PG6
XIN4M
XOUT4M
I/O
O
I
I
I
I
I
O
I
O
O
I/O
I/O
I/O
I
O
Descriptions
Serial communication data output
Serial communication data input
External interrupt input
External counting pulse/clock input of timer 0
External counting pulse/clock input of timer 1
Capture signal input
Buzzer signal output
Key scan input, can generate interrupt
Frequency division output of timer 0
Frequency division output of timer 1
High voltage pin, when download OTP, connects to 12V voltage
General purpose I/O port PORTE
General purpose I/O port PORTF
General purpose I/O port PORTG
High frequency oscillator input<ADC channel forbids>
High frequency oscillator output <ADC channel forbids >
FUNCTION DESCRIPTION
SC9321 has embedded SC65PX core, and 16 K-byte program memory, where 8K-Byte is OTP, 8K-Byte is
MASK ROM. The data memory is 384-byte. Built-in RC oscillator generates 3.2MHz clock frequency and 1/2,1/4
divided frequency. It can also be used as system main clock together with external 75KHz crystal oscillator to
implement applications in different modes, thus to reduce the power dissipation. It adopts built-in PLL and IF
counting circuit to reduce the periphery components and implement the digital radio function. In addition, it has
three 8-bit counters T0/T1/T2. T0/T1 can be used separately and also be used as 16-bit counter. The built-in
RTC module can provides powerful calendar/alarm function, and BUZ signals of 4 kinds of frequency.
PA/B/C/E/F/G can provide max. 44 I/O ports, where PA/B has pull-up configuration and selectable open-drain
output function, PC can be shared as ADC analog pin of ADC, PE/F/G can be used as LCD display data scan
output. LCD driver can drive eleven 8-segment display, and bias voltage 1/3 and 1/2 are selectable, duty is 1/2,
1/3, 1/4 programmable control to meet the various display requirements.
MCU Address Space
MCU uses 16-bit address bus, the maximum addressing space is 64-kByte (0000H~FFFFH). The address
assignment of memory space is as follows:
HANGZHOU MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0 2008.02.21
Page 7 of 16

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부품번호상세설명 및 기능제조사
SC9321

AUDIO SYSTEM CONTROL MCU

Silan Microelectronics
Silan Microelectronics

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