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PRODUCT OVERVIEW S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
1-2
FEATURES
CPU
• SAM88RC CPU core
Memory
• Program Memory(ROM)
- 16K×8 bits program
memory(S3C8275X/F8275X)
- 8K×8 bits program
memory(S3C8278X/F8278X)
- 4K×8 bits program
memory(S3C8274X/F8274X)
- Internal flash memory(Program memory)
Sector size: 128 Bytes
10 Years data retention
Fast programming time:
+ Chip erase: 50ms
+ Sector erase: 10ms
+ Byte program: 30us
User programmable by ‘LDC’ instruction
Endurance: 10,000 erase/program cycles
Sector(128-bytes) erase available
Byte programmable
External serial programming support
Expandable OBP
TM
(On board program)
sector
• Data Memory (RAM)
- Including LCD display data memory
- 544 × 8 bits data memory(S3C8275X/F8275X)
- 288 × 8 bits data memory(S3C8278X/F8278X)
- 288 × 8 bits data memory(S3C8274X/F8274X)
Instruction Set
• 78 instructions
• Idle and Stop instructions added for power-down
modes
52 I/O Pins
• I/O: 16 pins
• I/O: 36 pins (Sharing with LCD signal outputs)
Interrupts
• 8 interrupt levels and 12 interrupt sources
• Fast interrupt processing feature
8-Bit Basic Timer
• Watchdog timer function
• 4 kinds of clock source
Two 8-Bit Timer/Counters
• Programmable interval timer
• 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
LCD Controller/Driver
• 32 segments and 4 common terminals
• Static, 1/2 duty, 1/3 duty, and 1/4 duty 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
Battery Level Detector
• 3-criteria voltage selectable (2.2V, 2.4V, 2.8V)
• En/Disable by software for current consumption
source
Low Voltage Reset (LVR)
• Criteria voltage: 2.2V
• En/Disable by smart option (ROM address: 3FH)
Two Power-Down Modes
• Idle: only CPU clock stops
• Stop: selected system clock and CPU clock stop
Oscillation Sources
• Crystal, ceramic, or RC for main clock
• Main clock frequency: 0.4 MHz − 8 MHz
• 32.768 kHz crystal for sub clock
Instruction Execution Times
• 500nS at 8 MHz fx(minimum)
Operating Voltage Range
• 2.0 V to 3.6 V at 0.4 − 4.2 MHz
•
2.5 V to 3.6 V at 0.4 − 8.0 MHz
Operating Temperature Range
• −25 °C to +85 °C
Package Type
• 64-QFP-1420F, 64-LQFP-1010
Smart Option
• Low Voltage Reset(LVR) level and
enable/disable are at your hardwired option
(ROM address 3FH)
• ISP related option selectable
(ROM address 3EH)