KS57C21832

Features: Memory• 8,192 *4-bit RAM (excluding LCD display RAM)• 32,768 *8-bit ROM39 I/O Pins• I/O: 35 pins• Input only: 4 pinsLCD Controller/Driver• 56 segments and 16 common terminals• 8 and 16 common selectable• Internal resistor circuit for LCD biasR...

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KS57C21832 Picture
SeekIC No. : 004387505 Detail

KS57C21832: Features: Memory• 8,192 *4-bit RAM (excluding LCD display RAM)• 32,768 *8-bit ROM39 I/O Pins• I/O: 35 pins• Input only: 4 pinsLCD Controller/Driver• 56 segments and 16 ...

floor Price/Ceiling Price

Part Number:
KS57C21832
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

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 s at 6 MHz
• 0.95, 1.91, 15.3 s at 4.19 MHz
• 122 s 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



Pinout

  Connection Diagram




Specifications

Parameter
Symbol
Conditions
Rating
Units
Supply Voltage
VDD
-
0.3 to + 6.5
V
Input Voltage
VI
All I/O ports
0.3 to VDD + 0.3
V
Output Voltage
VO
-
0.3 to VDD + 0.3
V
Output Current High
IOH
One I/O port active
-15
mA
All I/O ports active
-35
Output Current Low
IOL
One I/O pin active
+ 30 (Peak value)
+ 15 (note)
mA
Total for ports 0, 2-9
+ 100 (Peak value)
+ 60 (note)
Operating Temperature
TA
-
40 to + 85
Storage Temperature
Tstg
-
65 to + 150

NOTE: The values for Output Current Low ( IOL ) are calculated as Peak Value * Duty .


Description

The KS57C21832 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers).

With an up-to-896-dot LCD direct drive capability, 8-bit timer/counter 0, 16-bit timer/counter 1, and serial I/O, the KS57C21832 offers an excellent design solution for a wide variety of applications which require LCD functions.

Up to 39 pins of the 100-pin QFP package can be dedicated to I/O. Eight vectored interrupts provide fast response to internal and external events. In addition, the KS57C21832's advanced CMOS technology provides for low power consumption and a wide operating voltage range.




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