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KS88C8424

Features: CPU• SAM87 CPU coreMemory• 24-Kbyte (KS88C8424) or 32-Kbyte (KS88C8432) internal program memory• 272-byte general-purpose register areaInstruction Set• 78 instructions• IDLE and STOP instructions added for powerdown modesInstruction Execution Time• 750...

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SeekIC No. : 004387610 Detail

KS88C8424: Features: CPU• SAM87 CPU coreMemory• 24-Kbyte (KS88C8424) or 32-Kbyte (KS88C8432) internal program memory• 272-byte general-purpose register areaInstruction Set• 78 instructi...

KS88C8424 Data Sheet

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Part Number:
KS88C8424
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:

CPU
• SAM87 CPU core
Memory
• 24-Kbyte (KS88C8424) or 32-Kbyte (KS88C8432) internal program memory
• 272-byte general-purpose register area
Instruction Set
• 78 instructions
• IDLE and STOP instructions added for powerdown modes
Instruction Execution Time
• 750 ns (minimum) with an 8 MHz CPU clock
Interrupts
• 9 interrupt sources with 9 vectors
• 7 interrupt levels
• Fast interrupt processing for select levels
General I/O
• Four I/O ports (26 pins total)
• Six open-drain pins for up to 6 V loads
• Four open-drain pins for up to 5 V loads
8-Bit Basic Timer
• Three selectable internal clock frequencies
• Watchdog or oscillation stabilization function
Timer/Counters
• One 8-bit timer/counter (T0) with three internal clocks or an external clock and interval timer mode or PWM mode.
• One general-purpose 8-bit timer/counters with interval timer mode (timer A)
A/D Converter
• Four analog input pins; 4-bit resolution
• 3.125 s conversion time (8 MHz CPU clock)
Pulse Width Modulation Module
• 14-bit PWM with two-channel output (push-pull type, open-drain type)
• 8-bit PWM with four-channel, push-pull and opendrain
• PWM counter and data capture input pin
• Frequency: 5.859 kHz to 23.437 kHz with a 6 MHz CPU clock
On-Screen Display (OSD)
• Video RAM: 252 ´ 13-bits
• Character generator ROM: 384 ´ 18 ´ 16-bits (384 display characters; fixed; 2, variable; 382)
• 252 display positions (12 rows ´ 21 columns)
• 16-dot ´ 18-dot character resolution
• 16 different character sizes
• Eight character colors
• Vertical direction fade-in/fade-out control
• Eight colors for character and frame background
• Halftone control signal output; selectable for individual characters
• Synchronous polarity selector for H-sync and V-sync input
Oscillator Frequency
• 5 MHz to 8 MHz external crystal oscillator
• Maximum 8 MHz CPU clock
Operating Temperature Range
• 20 to + 85
Operating Voltage Range
• 4.5 V to 5.5 V
Package Type
• 42-pin SDIP


Pinout

Connection Diagram




Specifications

Parameter
Symbol
Conditions
Rating
Unit
Supply voltage
VDD
0.3 to + 6.0
V
Input voltage
VI1
P1.0P1.5 ( open-drain)
0.3 to + 7
V
VI2
All port pins except VI1
0.3 to VDD + 0.3
Output voltage
VO
All output pins
0.3 to VDD + 0.3
V
Output current High
IOH
One I/O pin active
18
mA
All I/O pins active
60
Output current
Low
LOW
One I/O pin active
+ 30
mA
Total pin current except port 1
+ 100
Total pin current for ports 0, 2, and 3
+ 100
Operating temperature
TA
20 to + 85
Storage temperature
TSTG
65 to + 150



Description

The KS88C8424 microcontroller has a 24-Kbyte on-chip program memory and the KS88C8432 has a 32-Kbyte. Both chips have a 272-byte general-purpose internal register file. The interrupt structure has nine interrupt sources with nine interrupt vectors. The CPU recognizes seven interrupt priority levels.

Using a modular design approach, the following peripherals were integrated with the SAM87 core to make the KS88C8424/C8432/P8432 microcontrollers suitable for use in color television and other types of screen display applications:
- Four programmable I/O ports (26 pins total: 16 general-purpose I/O pins; 10 n-channel, open-drain
output pins)
- 4-bit resolution A/D converter (4 channels)
- 14-bit PWM output (Two channels: push-pull type, open-drain type)
- Basic timer (BT) with watchdog timer function
- One 8-bit timer/counter (T0) with interval timer and PWM mode
- One 8-bit general-purpose timer/counter (TA) with prescalers
- On-screen display (OSD) with a wide range of programmable features, including halftone control signal output

The KS88C8424 and the KS88C8432 are available in versatile 42-pin SDIP package.




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