S3C70F2 データシートの表示（PDF） - Samsung

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S3C70F2

single-chip CMOS microcontroller

Samsung 

PRODUCT OVERVIEW

FEATURES SUMMARY

Memory

• 512 × 4-bit data memory (RAM)

• 2048 × 8-bit program memory (ROM):S3C70F2

4096 × 8-bit program memory (ROM):S3C70F4

24 I/O Pins

• I/O: 18 pins, including 8 high current pins

• Input only: 6 pins

Comparator

• 4-channel mode:

Internal reference (4-bit resolution)

16-step variable reference voltage

• 3-channel mode:

External reference

150 mV resolution (worst case)

8-bit Basic Timer

• Programmable interval timer

• Watch-dog timer

8-bit Timer/Counter 0

• Programmable interval timer

• External event counter function

Timer/counter clock output to TCLO0 pin

Watch Timer

• Time interval generation: 0.5 s, 3.9 ms at 4.19

MHz

• 4 frequency outputs to BUZ pin

8-bit Serial I/O Interface

• 8-bit transmit/receive mode

• 8-bit receive-only mode

• LSB-first or MSB-first transmission selectable

• Internal or external clock source

S3C70F2/C70F4/P70F4

Bit Sequential Carrier

• Supports 16-bit serial data transfer in arbitrary

format

Interrupts

• Two external interrupt vectors

• Three internal interrupt vectors

• Two quasi-interrupts

Memory-Mapped I/O Structure

• Data memory bank 15

Two Power-Down Modes

• Idle mode: Only CPU clock stops

• Stop mode: System clock stops

OSCILLATION SOURCES

• Crystal, Ceramic for system clock

• Crystal/ceramic: 0.4 - 6.0 MHz

• CPU clock divider circuit (by 4. 8, or 64)

Instruction Execution Times

• 0.95, 1.91, 15.3 µs at 4.19 MHz

• 0.67, 1.33, 10.7 µs at 6.0 MHz

Operating Temperature

• – 40 °C to 85 °C

Operating Voltage Range

• 1.8 V to 5.5 V

Package Type

• 30 SDIP, 32 SOP

1-2

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