S3P825A

CPU
• SAM88RC CPU core

Memory
• 2064-byte internal register file (including LCD display RAM)
• 48K-byte internal program memory area

Instruction Set
• 78 instructions
• Idle and Stop instructions

67 I/O Pins
• 31 normal I/O pins
• 36 pins sharing with LCD signals

Interrupts
• 8 interrupt levels and 23 internal sources
• Fast interrupt processing feature

8-Bit Basic Timer
• Watchdog timer function
• 4 kinds of clock source

8-Bit Basic Timer
• Watchdog timer function
• 4 kinds of clock source

Timer/Counter 0
• Programmable 8-bit internal timer
• External event counter function
• PWM and capture function

Timer/Counter 1
• One 16-bit timer/counter mode
• Two 8-bit timer/counters A/B mode
• External event counter function

Timer/Counter 2
• Programmable 8-bit interval timer
• External event counter function

Timer/Counter 3
• Programmable 16-bit interval timer
• External event counter function
• PWM and capture function

Watch Timer
• Interval Time: 3.19ms, 0.25s, 0.5s, 1.0s at 32.768 kHz
• 0.5/1/2/4 kHz buzzer output selectable

Analog to Digital Converter
• 4-channel analog input
• 10-bit conversion resolution
• 25ms conversion time

Serial I/O Interface
• 8-bit transmit/receive mode
• 8-bit receive mode
• Selectable baud rate or external clock source

UART
• Full-duplex serial I/O interface
• Four programmable operating modes

LCD Controller/Driver
• 28 segments and 8 common terminals
• 3, 4, and 8 common selectable
• Internal resistor circuit for LCD bias

Two Power-Down Modes
• Idle mode: only CPU clock stops
• Stop mode: system clock and CPU clock stop

Oscillation Source
• Crystal, ceramic, or RC for main clock
• Crystal for sub clock (32.768 kHz)

Instruction Execution Time
• 500 ns at fx=8 MHz (minimum, main clock)
• 122ms at fxt=32.768 kHz (sub clock)

Operating Temperature Range
• 25   to +85

Operating Voltage Range
• 2.0 V to 5.5 V at 4 MHz (main clock)
• 2.2 V to 5.5 V at 8 MHz (main clock)
• 2.0 V to 5.5 V at 32.768 kHz (sub clock)

Package Type
• 80-pin TQFP-1212, 80-pin QFP-1420

The S3P825A single-chip microcontroller are fabricated using the highly advanced CMOS process. S3P825A's design is based on the powerful SAM88RC CPU core. Stop and idle (power-down) modes were implemented to reduce power consumption.

The S3C825A is a microcontroller with a 48K-byte mask-programmable ROM embedded.
The S3P825A is a microcontroller with a 48K-byte one-time-programmable ROM embedded.

S3P825A specifications, Using the SAM88RC modular design approach, the following peripherals were integrated with the SAM88RC CPU core:

  - Large number of programmable I/O ports (Total 67 pins)
  - Synchronous SIO module
  - Two 8-bit timer/counters
  - Two 16-bit timer/counters
  - LCD controller/driver
  - A/D converter with 4 selectable input pins