S3C72C8 Просмотр технического описания (PDF) - Samsung

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S3C72C8

The S3C72C8 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47

Samsung 

PRODUCT OVERVIEW

FEATURES

Memory

• 512 × 4-bit RAM (including LCD display RAM)

• 8,192 × 8-bit ROM

28 I/O Pins

• I/O: 26 pins (44-pin QFP, 42-pin SDIP)

• Output only: 2 pins (44-pin QFP)

LCD Controller/Driver

• 12 segments and 8 common terminals

(3, 4, and 8 common selectable)

• Internal resistor circuit for LCD bias

• All dot can be switched on/off

8-bit Basic Timer

• 4 interval timer functions

• Watch-dog timer

16-bit Timer/Counter 1

• Programmable 16-bit timer/counter

• Arbitrary clock output

• External event counter

• External clock signal divider

• Configurable as two 8-bit timer/counters

• Serial I/O interface clock generator

Watch Timer

• Time interval generation: 0.5 s, 3.9 ms

at 32768 Hz

• Four frequency outputs to BUZ pin

• Clock source generation for LCD

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

Comparator

• 4 channel mode: internal reference (4-bit

resolution)

• 3 channel mode: external reference

1-2

S3C72C8/P72C8

Interrupts

• Four internal vectored interrupts

• Five external vectored interrupts

• Two quasi-interrupts

Bit Sequential Carrier

• Supports 16-bit serial data transfer in arbitrary

format

Memory-Mapped I/O Structure

• Data memory bank 15

Power-Down Modes

• Idle mode (only CPU clock stops)

• Stop mode (main system oscillation stops)

• Sub system clock stop mode

Oscillation Sources

• Crystal, ceramic, or RC for main system clock

• Crystal oscillator for subsystem clock

• Main system clock frequency: 0.4 MHz-6 MHz

• Subsystem clock frequency: 32.768 kHz

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

Instruction Execution Times

• 0.67, 1.33, 10.7 µs at 6 MHz (main)

• 0.95, 1.91, 15.3 µs at 4.19 MHz (main)

• 122 µs at 32.768 kHz (subsystem)

Operating Temperature

• – 40 °C to 85 °C

Operating Voltage Range

• 1.8 V to 5.5 V

Package Type

• 44-pin QFP, 42-pin SDIP

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