Description

The S3P72N5XZZ-QWR5 is an electronic component belonging to the IC Chips category. It is a single-chip CMOS microcontroller that has been designed for high performance using Samsung's newest 4-bit CPU core. This model offers features such as LCD direct drive capability, 8-bit timer/counter, and serial I/O, making it an excellent solution for a wide variety of applications that require LCD functions. The S3P72N5XZZ-QWR5 comes in an 80-pin QFP package, which allows up to 40 pins of the package to be dedicated to I/O. Furthermore, it has six vectored interrupts that provide fast response to internal and external events. Its advanced CMOS technology provides for low power consumption and a wide operating voltage range.

Specifications and features

• Memory:
  • 512 4-bit RAM
  • 8K 8-bit ROM (S3C72N8/P72N8)
  • 16K 8-bit ROM (S3C72N5/P72N5)
• Input pins: 8
• Output pins: 8 (sharing with segment driver outputs)
• LCD Controller/Driver:
  • Maximum 16-digit LCD direct drive capability
  • 32 segment, 4 common pins
  • Display modes: Static, 1/2 duty (1/2 bias), 1/3 duty (1/2 or 1/3 bias), 1/4 duty (1/3 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
• Serial I/O interface clock generator
• Watch Timer:
  • Real-time and interval time measurement
  • 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 only mode
  • LSB-first or MSB-first transmission selectable
  • Internal or external clock source
• Bit Sequential Carrier: support 16-bit serial data transfer in arbitrary format
• Interrupts:
  • Three internal vectored interrupts
  • Three 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 ms at 4.19 MHz (main)
  • 122 ms at 32.768 kHz (subsystem)
• Operating Temperature: -40 °C to 85 °C
• Operating Voltage Range: 1.8 V to 5.5 V

Application Scenarios

The S3P72N5XZZ-QWR5 microcontroller can be used in a wide variety of applications that require LCD functions. Its maximum 16-digit LCD direct drive capability, 8-bit timer/counter, and serial I/O make it an excellent solution for applications such as digital watches, pocket calculators, and other devices that require a display.

Comparison

• High performance using Samsung's newest 4-bit CPU core
• Low power consumption and a wide operating voltage range
• Maximum 16-digit LCD direct drive capability
• 8-bit timer/counter and serial I/O

• Not suitable for applications that require high processing power (e.g. computer systems)
• Smaller ROM (8K/16K) compared to other microcontrollers in the market