S3C72N4 Samsung semiconductor, S3C72N4 Datasheet - Page 2

• Manufacturer Part Number: S3C72N4
• Description: The S3C72N2/C72N4 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core/ SAM47 (Samsung Arrange
• Manufacturer: Samsung semiconductor

PRODUCT OVERVIEW
FEATURES
Memory
— 288
— 2048
— 4096
I/O Pins
— Input only: 4 pins
— I/O: 12 pins
— Output: 8 pins sharing with segment driver
LCD Controller/Driver
— Maximum 16-digit LCD direct drive capability
— 32 segment, 4 common pins
— Display modes: Static, 1/2 duty (1/2 bias)
8-Bit Basic Timer
— Programmable interval timer
— Watchdog timer
8-Bit Timer/Counter
— Programmable 8-bit timer
— External event counter
— Arbitrary clock frequency output
Watch Timer
— Real-time and interval time measurement
— Four frequency outputs to BUZ pin
— Clock source generation for LCD
Bit Sequential Carrier
— Support 16-bit serial data transfer in arbitrary
1-
2
outputs
1/3 duty (1/2 or 1/3 bias), 1/4 duty (1/3 bias)
format
4-bit RAM
8-bit ROM (S3C72N2)
8-bit ROM (S3C72N4)
Interrupts
— Two internal vectored interrupts
— Two external vectored interrupts
— Two quasi-interrupts
Memory-Mapped I/O Structure
— Data memory bank 15
Two Power-Down Modes
— Idle mode (only CPU clock stops)
— Stop mode (main or sub system oscillation stops)
Oscillation Sources
— Crystal, ceramic, or RC for main system clock
— Crystal or external oscillator for subsystem clock
— Main system clock frequency: 4.19 MHz (typical)
— Subsystem clock frequency: 32.768 kHz
— CPU clock divider circuit (by 4, 8, or 64)
Instruction Execution Times
— 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
— 2.0 V to 5.5 V at 4.19 MHz
— 1.8 V to 5.5 V at 3 MHz
Package Type
— 64-pin QFP
S3C72N2/C72N4/P72N4