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S3P7295

Features: Memory• 256 ´ 4-bit RAM (excluding LCD display RAM)• 16,384 ´ 8-bit ROM8 I/O Pins• I/O: 8 pinsLCD Controller/Driver• 44 segments and 16 common terminals (8, 12 and 16 common selectable)• Internal resistor circuit for LCD bias• Voltage doubl...

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SeekIC No. : 004482249 Detail

S3P7295: Features: Memory• 256 ´ 4-bit RAM (excluding LCD display RAM)• 16,384 ´ 8-bit ROM8 I/O Pins• I/O: 8 pinsLCD Controller/Driver• 44 segments and 16 common terminals...

S3P7295 Data Sheet

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Part Number:
S3P7295
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
• 256 ´ 4-bit RAM (excluding LCD display RAM)
• 16,384 ´ 8-bit ROM

8 I/O Pins
• I/O: 8 pins

LCD Controller/Driver
• 44 segments and 16 common terminals (8, 12 and 16 common selectable)
• Internal resistor circuit for LCD bias
• Voltage doubler
• 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
• Arbitrary clock output (TCLO0)
• Inverted clock output (TCLO0)

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

Interrupts
• Two internal vectored interrupts
• 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)
• Sub system clock stop mode

Oscillation Sources
• Crystal, ceramic, or RC for main system clock
• Crystal oscillator for subsystem clock
• Main system clock frequency: 4.19 MHz (typical)
• Subsystem clock frequency: 32.768 kHz
• CPU clock divider circuit (by 4, 8, or 64)

Instruction Execution Times
• 0.95, 1.91, 15.3 µs at 4.19 MHz (main)
• 122 µs at 32.768 kHz (subsystem)

Operating Temperature
• 40 to 85

Operating Voltage Range
• 2.2 V to 3.4 V (0.4 MHz to 4.19 MHz)

Package Type
• 80-pin QFP or pellet


Pinout

Connection Diagram




Specifications

Parameter
Symbol
Conditions
Rating
Unit
Supply voltage
VDD
-
0.3 to +4.5
V
Input voltage
VI
Ports 0, 1
0.3 to VDD + 0.3
V
Output voltage
VO
-
-0.3 to VDD + 0.3
V
Output current high
IOH
One I/O pin active
-15
mA
All I/O pins 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
-
40to + 85
Storage temperature
TSTG
-
65 to + 150

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


Description

The S3P7295 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers).

With an up-to-704-dot LCD direct drive capability, and flexible 8-bit timer/counter, the S3P7295 offers an excellent design solution for a mid-end LCD game.

Up to 8 pins of the 80-pin QFP package of S3P7295 can be dedicated to I/O. Six vectored interrupts provide fast response to internal and external events. In addition, the S3P7295's advanced CMOS technology provides for low power consumption.




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