S3P8837 datasheet(19/19 Pages) SAMSUNG

Part #	S3P8837

Description	SAM87 family of 8-bit single-chip CMOS microcontrollers

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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19 / 19 page

S3C8835/C8837/P8837

S3P8837 OTP

17-3

Table 17-1. Descriptions of Pins Used to Read/Write the EPROM

Main Chip

During Programming

Pin Name

Pin No.

I/O

Function

P2.3 (Pin 4)

SDAT

4

I/O

Serial data Pin (Output when reading, Input

when writing) Input and Push-pull Output Port

can be assigned

P2.2 (Pin 3)

SCLK

3

I/O

Serial clock Pin (Input Only Pin)

TEST

V

PP (TEST)

13

I

0 V: Operating mode

5 V: Test mode

12.5 V: OTP mode

RESET

33

I

0 V: Chip initialization, OTP mode

5 V: Operating mode

V

DD/VSS

V

DD/VSS

34/30, 37

I

Logic Power Supply Pin.

Table 17-2. Comparison of S3P8837 and S3C8835/C8837 Features

Characteristic

S3P8837

S3C8835/C8837

Program Memory

24K-byte EPROM

24K-byte mask ROM

Operating Voltage (V

DD)

4.5 V to 5.5 V

OTP Programming Mode

V

DD = 5 V, V

PP (TEST) = 12.5 V

–

Pin Configuration

42-SDIP

EPROM Programmability

User Program 1 time

Programmed at the factory

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S3P8837 Datasheet(PDF) 19 Page - Samsung semiconductor

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