S3P7235 Selling Leads, Price trend, S3P7235 DataSheet download, circuit diagram from SeekIC.com

Features: Memory 512 * 4-bit RAM 8 K *8-bit ROM (S3C7238/P7238) 16 K *8-bit ROM (S3C7235/P7235)I/O Pins Input only: 8 pins I/O: 24 pins Output: 8 pins sharing with segment driver outputsLCD Controller/Driver Maximum 16-digit LCD direct drive capability 32 segment, 4 common pins Display mo...

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SeekIC No. : 004482247 Detail

S3P7235: Features: Memory 512 * 4-bit RAM 8 K *8-bit ROM (S3C7238/P7238) 16 K *8-bit ROM (S3C7235/P7235)I/O Pins Input only: 8 pins I/O: 24 pins Output: 8 pins sharing with segment driver outputsLCD Co...

S3P7235 Data Sheet

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Part Number:: S3P7235
Supply Ability:: 5000

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1~5000

Unit Price
Negotiable

Processing time
15 Days

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Product Details

Description

Features:

Memory
512 * 4-bit RAM
8 K *8-bit ROM (S3C7238/P7238)
16 K *8-bit ROM (S3C7235/P7235)

I/O Pins
Input only: 8 pins
I/O: 24 pins
Output: 8 pins sharing with segment driver outputs

LCD Controller/Driver
Maximum 16-digit LCD direct drive capability
32 segment, 4 common pins
Display modes: Static, 1/2 duty (1/2 bias), 1/3 duty (1/2 or 1/3 bias), 1/4 duty (1/3 bias)

8-Bit Basic Timer
Programmable interval timer
Watchdog timer

8-Bit Timer/Counter 0
Programmable 8-bit timer
External event counter
Arbitrary clock frequency output
Serial I/O interface clock generator

Watch Timer
Real-time and interval time measurement
Four frequency outputs to BUZ pin
Clock source generation for LCD

8-Bit Serial I/O Interface
8-bit transmit/receive mode
8-bit receive only mode
LSB-first or MSB-first transmission selectable
Internal or external clock source

Bit Sequential Carrier
Support 16-bit serial data transfer in arbitrary format

Interrupts
Three internal vectored interrupts
Three external vectored interrupts
Two quasi-interrupts

Memory-Mapped I/O Structure
Data memory bank 15

Two Power-Down Modes
Idle mode (only CPU clock stops)
Stop mode (main or sub system oscillation stops)

Oscillation Sources
Crystal, ceramic, or RC for main system clock
Crystal or external 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
1.8 V to 5.5 V

Package Type
80-pin QFP

Pinout

Connection Diagram

Specifications

Parameter	Symbol	Conditions	Rating	Unit
Supply voltage	V_DD	-	0.3 to +6.5	V
Input voltage	V_I1	All I/O ports	0.3 to V_DD + 0.3
Output voltage	V_O	-	-0.3 to V_DD + 0.3
Output current high	I_OH	One I/O pin active	-15	mA
Output current high	I_OH	All I/O ports active	35
Output current low	I_OL	One I/O pin active	+ 30 (Peak value)
		One I/O pin active	+ 15 ^(note)
		Total value for ports 0, 2, 3, and 5	+ 100 (Peak value)
		Total value for ports 0, 2, 3, and 5	+ 60^(note)
		Total value for ports 4, 6, and 7	+ 100
		Total value for ports 4, 6, and 7	+ 60^(note)
Operating temperature	T_A	-	40to + 85
Storage temperature	T_STG	-	65 to + 150

Description

The S3C7238/C7235/S3P7235 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers).

With features such as LCD direct drive capability, 8-bit timer/counter, and serial I/O, the S3C7238/C7235/S3P7235 offer an excellent design solution for a wide variety of applications that require LCD functions.

Up to 40 pins of the 80-pin QFP package can be dedicated to I/O. Six vectored interrupts provide fast response to internal and external events. In addition, the S3C7238/C7235/S3P7235's advanced CMOS technology provides for low power consumption and a wide operating voltage range.

S3P7235

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