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FEATURES
CPU
SAM88RCRI CPU core
Memory
208-byte general purpose register (RAM)
4/8-Kbyte internal mask program memory
8-Kbyte internal multi time program memory
(S3F9488)
Oscillation Sources
Crystal, Ceramic, RC
CPU clock divider (1/1, 1/2, 1/8, 1/16)
Instruction Set
41 instructions
IDLE and STOP instructions added for powerdown modes
Instruction Execution Time
500 ns at 8-MHz fOSC (minimum)
Interrupts
10 interrupt sources with one vector / one level
I/O Ports
Total 38 bit-programmable pins (44QFP)
Total 36 bit-programmable pins (42SDIP)
Total 26 bit-programmable pins (32SDIP/32SOP)
Basic Timer
One programmable 8-bit basic timer (BT) for
Oscillation stabilization control ·
8bit Timers A/B
One 8-bit timer/counter (Timer A) with three
operating modes; Interval mode, capture mode
and PWM mode.
One 8-bit timer/counter (Timer B) Carrier
frequency (or PWM) generator.
Watch Timer
Real-time and interval time measurement.
Four frequency output to BUZ pin.
Clock generation for LCD
LCD Controller/Driver (Optional)
8 COM ´ 19 SEG (MAX 19 digit)
4 COM ´ 19 SEG (MAX 8 digit)
A/D Converter
Nine analog input channels
12.5us conversion speed at 4MHz f
ADC
clock.
Asynchronous UART
Programmable baud rate generator
Support serial data transmit/receive operations
with 8-bit, 9-bit UART
Watchdog Timer
Two oscillation sources selection
(by Smart option)
Safety work for noise interference
Low Voltage Reset (LVR)
Low Voltage Check to make system reset
VLVR
= 2.6V/3.3V/3.9V
Voltage Detector for Indication
Voltage Detector to indicate specific voltage.
S/W control (2.4V, 2.7V, 3.3V, 3.9V)
Operating Temperature Range
–25°C to + 85°C
Operating Voltage Range
2.2V to 5.5 V at 4 MHz fOSC
2.7V to 5.5 V at 8 MHz fOSC
Package Type
32-pin SDIP, 32-pin SOP
42-pin SDIP, 44-pin QFP
Smart Option
Low Voltage Reset(LVR) level and enable/disable
are at your hardwired option.
I/O Port (P0.0- P0.2/P3.3-P3.6) mode selection at
Reset.
Watchdog Timer oscillator selection.
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