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PRODUCT OVERVIEW
FEATURES
CPU
•
SAM87RC CPU core
Memory
•
Program memory (ROM)
– S3C80A5B: 15,872 byte
(0000H–3E00H)
•
Data memory: 272-byte RAM
Instruction Set
•
78 instructions
•
IDLE and STOP instructions added for power-
down modes
Instruction Execution Time
•
500 ns at 8-MHz f
OSC
Interrupts
•
13 interrupt sources with 10 vector.
•
5 level, 10 vector interrupt structure
I/O Ports
•
Two 8-bit I/O ports (P0-P1) and one 3-bit port
(P2) for a total of 19 bit-programmable pins
•
Eight input pins for external interrupts
Carrier Frequency Generator
•
One 8-bit counter with auto-reload function and
one-shot or repeat control (Counter A)
Back-up mode
•
When V
is lower than V
DD
Back-up mode to block oscillation and reduce the
current consumption.
1-2
(minimum)
, the chip enters
LVD
Timers and Timer/Counters
•
One programmable 8-bit basic timer (BT) for
oscillation stabilization control or watchdog timer
function
•
One 8-bit timer/counter (Timer 0) with two
operating modes; Interval mode and PWM mode.
•
One 16-bit timer/counter with one operating
modes; Interval mode
Low Voltage Detect Circuit
•
Low voltage detect for reset or Back-up mode.
•
Low level detect voltage
– S3C80A5B:
2.20 V (Typ) ± 200 mV
Auto Reset Function
•
Reset occurs when stop mode is released by P0.
•
When a falling edge is detected at Port 0 during
Stop mode, system reset occurs.
Operating Temperature Range
–25 ° C to + 85 ° C
•
Operating Voltage Range
•
2.0 V to 5.5 V at 8 MHz f
Package Type
•
24-pin SOP/SDIP
S3C80A5B
OSC
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