Samsung S3C9228/P9228 사용자 설명서
PRODUCT OVERVIEW
S3C9228/P9228
1-2
FEATURES
CPU
•
SAM88RCRI CPU core
Memory
•
8192
×
8 bits program memory (ROM)
•
264
×
8 bits data memory (RAM)
(Including LCD data memory)
Instruction Set
•
41 instructions
•
Idle and Stop instructions added for power-down
modes
modes
36 I/O Pins
•
I/O: 34 pins (44-pin QFP, 42-pin SDIP)
•
Output only: 2 pins (44-pin QFP)
Interrupts
•
14 interrupt source and 1 vector
•
One interrupt level
8-Bit Basic Timer
•
Watchdog timer function
•
3 kinds of clock source
Two 8-Bit Timer/Counters
•
The programmable 8-bit timer/counters
•
External event counter function
•
Configurable as one 16-bit timer/counters
Watch Timer
•
Interval time: 3.91mS, 0.25S, 0.5S, and 1S
at 32.768 kHz
at 32.768 kHz
•
0.5/1/2/4 kHz Selectable buzzer output
•
Clock source generation for LCD
LCD Controller/Driver
•
16 segments and 8 common terminals
•
3, 4, and 8 common selectable
•
Internal resistor circuit for LCD bias
8-bit Serial I/O Interface
•
8-bit transmit/receive mode
•
8-bit receive mode
•
LSB-first or MSB-first transmission selectable
•
Internal or external clock source
A/D Converter
•
10-bit converter resolution
•
50us conversion speed at 1MHz f
ADC
clock
•
4-channel
Two Power-Down Modes
•
Idle: only CPU clock stops
•
Stop: system clock and CPU clock stop
Oscillation Sources
•
Crystal, ceramic, or RC for main clock
•
Main clock frequency: 0.4 MHz - 8MHz
•
32.768 kHz crystal oscillation circuit for
sub clock
sub clock
Instruction Execution Times
•
500nS at 8MHz fx(minimum)
Operating Voltage Range
•
2.0 V to 5.5 V at 0.4 - 4.2MHz
•
2.7 V to 5.5 V at 0.4 - 8MHz
Operating Temperature Range
•
-25
°
C to +85
°
C
Package Type
•
44-pin QFP, 42-pin SDIP