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KS57P21132

Features: Memory• 3,584 * 4-bit RAM (Excluding LCD Display RAM)• 16,384/24,576/32,768 * 8-bit ROM51 I/O Pins• I/O: 47 pins (32 pins are configurable as SEG pins)• Input only: 4 pins LCD Controller/Driver• 80 SEG *16 COM, 88 SEG * 8 COM Terminals• Internal resist...

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SeekIC No. : 004387525 Detail

KS57P21132: Features: Memory• 3,584 * 4-bit RAM (Excluding LCD Display RAM)• 16,384/24,576/32,768 * 8-bit ROM51 I/O Pins• I/O: 47 pins (32 pins are configurable as SEG pins)• Input only:...

KS57P21132 Data Sheet

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Part Number:
KS57P21132
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: 2024/12/30

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Product Details

Description



Features:

Memory
• 3,584 * 4-bit RAM (Excluding LCD Display RAM)
• 16,384/24,576/32,768 * 8-bit ROM
51 I/O Pins
• I/O: 47 pins (32 pins are configurable as SEG pins)
• Input only: 4 pins
LCD Controller/Driver
• 80 SEG *16 COM, 88 SEG * 8 COM Terminals
• Internal resistor circuit for  LCD bias
• 16 Level LCD contrast control (software)
• Segment expandable circuit
• All dot can be switched on/off
8-bit Basic Timer
• 4 interval timer functions
• Watch-dog timer
8-bit Timer/Counter
• Programmable 8-bit timer
• External event counter
• Arbitrary clock frequency output
• External clock signal divider
16-Bit Timer/Counter
• Programmable 16-bit timer
• External event counter
• Arbitrary clock frequency output
• External clock signal divider
• Configurable as two 8-bit Timers
• Serial I/O interface clock generator
Watch Timer
• Time interval generation:
0.5 s, 3.9 ms at 32,768 Hz
• 4 frequency outputs to BUZ
pin
• Clock source generation for LCD
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
Comparator
• 3 Channel mode: internal reference (4-bit resolution)
• 2 Channel mode: external reference
Interrupts
• Five internal vectored interrupts
• Four external vectored interrupts
• Two quasi-interrupts
Bit Sequential Carrier
• Supports 16-bit serial data
transfer in arbitrary format
Memory-Mapped I/O Structure
• Data memory bank 15
Power-Down Modes
• Idle mode (only CPU clock stops)
• Stop mode (main system clock stops)
• Subsystem clock stop mode
Oscillation Sources
• Crystal, Ceramic or RC for main system clock
• Crystal oscillator for subsystem clock
• Main system clock frequency: 0.46 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
Package Type
• 128-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
-30
Output Current Low
IOL
One I/O pin active
+ 30 (Peak value)
mA
+ 15*
Total for ports 0, 29
+ 100 (Peak value)
+ 60*
Operating Temperature
TA
-
40 to + 85
Storage Temperature
Tstg
-
65 to + 150

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


Description

The KS57P21132 single-chip CMOS microcontroller is the OTP (One Time Programmable) version of the S57C21116/C21124/C21132 microcontroller. It has an on-chip OTP ROM instead of masked ROM. The EPROM is accessed by serial data format.

The KS57P21132 is fully compatible with the KS57C21116/C21124/C21132, both in function and in pin configuration except ROM size. Because of its simple programming requirements, the KS57P21132 is ideal for use as an evaluation chip for the KS57C21116/C21124/C21132.




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