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參數(shù)資料
| 型號： | S3P821A-TW |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, TQFP-80 |
| 文件頁數(shù)： | 12/33頁 |
| 文件大小： | 281K |
| 代理商： | S3P821A-TW |
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PRODUCT OVERVIEW
S3C821A/P821A
1-2
FEATURES
CPU
SAM8 CPU core
Memory
Data memory: 1040-byte of internal register file
(Excluding LCD RAM)
Program memory: 48-Kbyte internal program
memory (ROM)
External Interface
64-Kbyte external data memory area
Instruction Execution Time
750 ns at 8 MHz (minimum, Main oscillator)
183
s at 32,768 Hz (minimum, Sub oscillator)
Interrupts
7 interrupt levels and 19 interrupt sources
19 vectors
Fast interrupt processing feature (for one
selected interrupt level)
I/O Ports
Five 8-bit I/O ports (P0–P4) and one 7-bit I/O
port (P5) for a total of 47 bit-programmable pins
8-Bit Basic Timer
One programmable 8-bit basic timer (BT) for
oscillation stabilization control or watchdog timer
(software reset) function
Watch Timer
Time internal generation: 3.91 ms, 0.5 s at
32,768 Hz
Four frequency outputs to BUZ pin
Clock source generation for LCD
Timers and Timer/Counters
One 8-bit timer/counter (Timer 0) with three
operating modes: Interval, Capture, and PWM
One 16-bit timer/counter (Timer 1) with two 8-bit
timer/counter modes
LCD Controller/Driver
Up to 32 segment pins
3, 4, and 8 common selectable
Choice of duty cycle
All dots can be switched on/off
Internal resistor circuit for LCD bias
Serial Port
One synchronous SIO
A/D Converter
8-bit conversion resolution
× 4 channel
34
s conversion time (4 MHz CPU clock, fxx/4)
Oscillation Sources
Crystal, ceramic, or RC for main system clock
Crystal or external oscillator for subsystem clock
Main system clock frequency: 8 MHz
Subsystem clock frequency: 32.768 kHz
Power-down Modes
Main idle mode (only CPU clock stops)
Sub idle mode
Stop mode (main/sub system oscillation stops)
Operating Temperature Range
– 40 °C to + 85 °C
Operating Voltage Range
2.0 V to 5.5 V at 32 kHz (sub clock)-6 MHz
(main clock)
2.2 V to 5.5 V at 8 MHz
Package Type
80-pin TQFP, 80-pin QFP
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