KS57P21408

Features:

Memory
• 8192 x 8 bit program memory
• 5120 x 4 bit data memory in KS57C21408
• 2560 x 4 bit data memory in KS57C21418
• 108 x 5 bit display memory
39 I/O Pins
• Input: 6 pins
• I/O: 17 pins
• Output: maximum 16 pins for 1-bit level output (sharing with segment driver outputs)
8-Bit Basic Timer
• Four internal timer functions
8-Bit Timer/Counter 0
• Programmable 8-bit timer
• External event counter
• Arbitrary clock frequency output
• External clock signal divider
Watch Timer
• Time interval generation: 0,5ms, 3,9ms at 32768Hz
• 4 frequency (2/4/8/16 kHz) outputs to BUZ pin
Interrupts
• Three external vectored interrupts: INT0, INT1, INTP0
• Two internal vectored interrupts: INTB, INTT0
• Two quasi-interrupts: INTW, INT2
Memory Mapped I/O Structure
LCD Display
• 12 characters dot matrix display (5 x 7)
• 12 digit display (8 segments)
• 60 segments and 9 common pins
Power-Down Modes
• Idle mode (only CPU clock stops)
• Stop mode (Main-System clock and CPU clock
stops)
Oscillation Sources
• Crystal, ceramic, or External RC for system clock
• Main-system clock frequency: 0.4 MHz - 6MHz
• Sub-system clock frequency: 32,768kHz
• CPU clock divider circuit (by 4,8, or 64)
Instruction Execution Times
• 0.67, 1.33, 10.7 s at 6MHz
• 0.95, 1.91, 15.3 s at 4.19 MHz
• 122 s at 32.768 kHz
Operating Temperature
• -45 to 85
Operating Voltage Range
• 1.8 V to 5.5 V
Package Type
• 100-pin QFP Package


Pinout

Specifications

Parameter	Symbol	Conditions		Rating	Units
Supply Voltage	VDD	-		0.3 to + 6.5	V
Input Voltage	VI	Ports 0, 1, 2, 4, 5, 6, 7		0.3 to VDD + 0.3	V
Output Voltage	VO	-		0.3 to VDD + 0.3	V
Output Current High	IOH	One pin		-15	mA
		All output active		-30
Output Current Low	IOL	One pin	Peak value	30	mA
			RMS value (note)	15
		All pins	Peak value	100
			RMS value (note)	60
Operating Temperature	TA	-		40 to + 85
Storage Temperature	Tstg	-		65 to + 150

NOTE : RMS value = Peak Value* Duty .


Description

The KS57P21408 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.

The KS57P21408 is especially suited for use in data bank, telephone and LCD general purpose.

It is built around the SAM47 core CPU and contains ROM, RAM, 39 I/O lines, programmable timer/counter, buzzer output, enough LCD dot matrix, and segment drive pins.

The KS57P21408 can be used for dedicated control functions in a variety of applications, and is especially designed for multi data bank, telephone and LCD game.