SC9321 Datasheet PDF - Silan Microelectronics

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SC9321
Silan Microelectronics

Part Number SC9321
Description AUDIO SYSTEM CONTROL MCU
Page 16 Pages


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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

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SC9321 AUDIO SYSTEM CONTROL MCU SC9321
Silan Microelectronics
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