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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
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
• 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
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