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S3C72E8 Datasheet(PDF) 2 Page - Samsung semiconductor

Part No. S3C72E8
Description  The S3C72E8/P72E8 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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PRODUCT OVERVIEW
S3C72E8/P72E8
1-2
FEATURES SUMMARY
Memory
8192
× 8 bit program memory
5120
× 4 bit data memory in S3C72E8
108 x 5 bit display memory
39 I/O Pins
Input: 6 pins
I/O: 17 pins
Output: maximum 16 pins for 1-bit level output
(sharing with segment driver outputs)
8-Bit Basic Timer
Four internal timer functions
8-Bit Timer/Counter 0
Programmable 8-bit timer
External event counter
Arbitrary clock frequency output
External clock signal divider
Watch Timer
Time interval generation: 0,5ms, 3,9ms at
32768Hz
4 frequency (2/4/8/16 kHz) outputs to BUZ pin
Interrupts
Three external vectored interrupts: INT0, INT1,
INTP0
Two internal vectored interrupts: INTB, INTT0
Two quasi-interrupts: INTW, INT2
Memory Mapped I/O Structure
LCD Display
12 characters dot matrix display (5 x 7)
12 digit display (8 segments)
60 segments and 9 common pins
Power-Down Modes
Idle mode (only CPU clock stops)
Stop mode (Main-System clock and CPU clock
stops)
Oscillation Sources
Crystal, ceramic, or External RC for system clock
Main-system clock frequency: 0.4 MHz - 6MHz
Sub-system clock frequency: 32,768kHz
CPU clock divider circuit (by 4,8, or 64)
Instruction Execution Times
0.67, 1.33, 10.7 µs at 6MHz
0.95, 1.91, 15.3 µs at 4.19 MHz
122 µs at 32.768 kHz
Operating Temperature
-45 °C to 85 °C
Operating Voltage Range
1.8 V to 5.5 V
Package Type
100-pin QFP Package




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