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KS57C21832 Datasheet(PDF) 2 Page - Samsung semiconductor

Part No. KS57C21832
Description  The KS57C21832 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung Arrangeabl
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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KS57C21832 Datasheet(HTML) 2 Page - Samsung semiconductor

 
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PRODUCT OVERVIEW
KS57C21832/P21832
1-2
FEATURES SUMMARY
Memory
8,192
× 4-bit RAM (excluding LCD display RAM)
32,768
× 8-bit ROM
39 I/O Pins
I/O: 35 pins
Input only: 4 pins
LCD Controller/Driver
56 segments and 16 common terminals
8 and 16 common selectable
Internal resistor circuit for LCD bias
All dot can be switched on/off
8-bit Basic Timer
4 interval timer functions
Watchdog timer
8-bit Timer/Counter 0
Programmable 8-bit timer
External event counter
Arbitrary clock frequency output
External clock signal divider
Serial I/O interface clock generator
16-Bit Timer/Counter 1
Programmable 16-bit timer
External event counter
Arbitrary clock frequency output
External clock signal divider
8-bit Serial I/O Interface
8-bit transmit/receive mode
8-bit receive mode
LSB-first or MSB-first transmission selectable
Internal or external clock source
Memory-Mapped I/O Structure
Data memory bank 15
Watch Timer
Time interval generation: 0.5 s, 3.9 ms
at 32768 Hz
4 frequency outputs to BUZ pin
Clock source generation for LCD
Interrupts
Four internal vectored interrupts
Four external vectored interrupts
Two quasi-interrupts
Bit Sequential Carrier
Supports 16-bit serial data transfer in arbitrary
format
Power-Down Modes
Idle mode (only CPU clock stops)
Stop mode (main system clock and CPU clock
stop)
Sub-system clock stop mode
Oscillation Sources
Crystal, ceramic, or RC for main system clock
Crystal oscillator for subsystem clock
Main system clock frequency: 0.4 - 6 MHz
Subsystem clock frequency: 32.768 kHz
CPU clock divider circuit (by 4, 8, or 64)
Instruction Execution Times
0.67, 1.33, 10.7 µs at 6 MHz
0.95, 1.91, 15.3 µs at 4.19 MHz
122 µs at 32.768 kHz
Operating Temperature
- 40 °C to 85 °C
Operating Voltage Range
1.8 V to 5.5 V (3.0 MHz @ 1.8 V)
Package Type
100-pin QFP


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