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KS57P21632

Features: Memory• 768 ´ 4-bit RAM (excluding LCD display RAM)• 32,768 ´ 8-bit ROM12 I/O Pins• I/O: 12 pinsLCD Controller/Driver• 56 segments and 16 common terminals (8, 12 and 16 common selectable)• Capacitor bias for LCD output.• Voltage booster and...

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SeekIC No. : 004387527 Detail

KS57P21632: Features: Memory• 768 ´ 4-bit RAM (excluding LCD display RAM)• 32,768 ´ 8-bit ROM12 I/O Pins• I/O: 12 pinsLCD Controller/Driver• 56 segments and 16 common termina...

KS57P21632 Data Sheet

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Part Number:
KS57P21632
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

Memory
• 768 ´ 4-bit RAM (excluding LCD display RAM)
• 32,768 ´ 8-bit ROM
12 I/O Pins
• I/O: 12 pins
LCD Controller/Driver
• 56 segments and 16 common terminals (8, 12 and 16 common selectable)
• Capacitor bias for LCD output.
• Voltage booster and regulator
• All dots can be switched on/off
8-bit Basic Timer
• 4 interval timer functions
• Watch-dog timer
One 16-bit Timer/Counter 1
• Programmable 16-bit timer
• Arbitrary clock output (TCLO1)
• Inverted clock output (TCLO1)
• Configurable two 8-bit timer/counters
Watch Timer
• Time interval generation: 0.5 s, 3.9 ms at 32768 Hz
• Four frequency outputs to BUZ pin and BUZ pin
• Clock source generation for LCD
Battery Level Detector
• Programmable low voltage detector
• One criteria voltage (2.4 V)
Interrupts
• Three Internal vectored interrupt
• Four external vectored interrupts
• Two quasi-interrupts
Memory-Mapped I/O Structure
• Data memory bank 15
Power-Down Modes
• Idle mode (only CPU clock stops)
• Stop mode (main system oscillation stops)
• Subsystem clock stop mode
Oscillation Sources
• Crystal, ceramic, or RC for main system clock
• Crystal oscillator for subsystem clock
• Main system clock frequency: 0.4-4.19 MHz
• Subsystem clock frequency: 32.768 kHz
• CPU clock divider circuit (by 4, 8, or 64)
Instruction Execution Times
• 0.95, 1.91, 15.3 s at 4.19 MHz (main)
• 122 s at 32.768 kHz (subsystem)
Operating Temperature
• 40 °C to 85 °C
Operating Voltage Range
• 2.2 V to 3.4 V (0.4 MHz to 4.19 MHz)
Package Type
• 100-pin QFP or pellet


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Rating
Units
Supply Voltage
VDD
-
0.3 to + 4.5
V
Input Voltage
VI
Ports 02
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 (note)

Total for pins 0, 1
+ 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 KS57P21632 single-chip CMOS microcontroller is the OTP (One Time Programmable) version of the KS57C21632 microcontroller. It has an on-chip OTP ROM instead of masked ROM. The EPROM is accessed by serial data format.

The KS57P21632 is fully compatible with the KS57C21632, both in function and in pin configuration.

Because of its simple programming requirements, the KS57P21632 is ideal for use as an evaluation chip for the KS57C21632.




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