KS57P21132 Selling Leads, Price trend, KS57P21132 DataSheet download, circuit diagram from SeekIC.com

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

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Qty
1~5000

Unit Price
Negotiable

Processing time
15 Days

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Upload time: 2024/4/26

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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	V_DD	-	0.3 to + 6.5	V
Input Voltage	V_I	All I/O ports	0.3 to V_DD + 0.3	V
Output Voltage	V_O	-	0.3 to V_DD + 0.3	V
Output Current High	I_OH	One I/O port active	-15	mA
Output Current High	I_OH	All I/O ports active	-30	mA
Output Current Low	I_OL	One I/O pin active	+ 30 (Peak value)	mA
		One I/O pin active	+ 15*
		Total for ports 0, 29	+ 100 (Peak value)
		Total for ports 0, 29	+ 60*
Operating Temperature	T_A	-	40 to + 85
Storage Temperature	T_stg	-	65 to + 150

* The values for Output Current Low ( I_OL ) 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.

KS57P21132

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