S3C9442 데이터 시트보기 (PDF) - Samsung

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S3C9442

SAM88RCRI family of 8-bit single-chip CMOS microcontrollers

Samsung 

PRODUCT OVERVIEW

S3C9442/C9444/F9444/C9452/C9454/F9454

PIN DESCRIPTIONS

Pin

Name

P0.0–P0.7

P1.0–P1.1

P1.2

P2.0–P2.6

XIN, XOUT

RESET

VDD, VSS

CLO

INT0–INT1

PWM

T0

ADC0–ADC8

In/Out

Table 1-1. S3C9452/C9454 Pin Descriptions

Pin Description

I/O Bit-programmable I/O port for Schmitt trigger input or

push-pull output. Pull-up resistors are assignable by

software. Port0 pins can also be used as A/D converter

input, PWM output or external interrupt input.

I/O Bit-programmable I/O port for Schmitt trigger input or

push-pull, open-drain output. Pull-up resistors or pull-down

resistors are assignable by software.

I Schmitt trigger input port

I/O Bit-programmable I/O port for Schmitt trigger input or

push-pull, open-drain output. Pull-up resistors are

assignable by software.

– Crystal/Ceramic, or RC oscillator signal for system clock.

I Internal LVR or External RESET

– Voltage input pin and ground

O System clock output port

I External interrupt input port

O 8-Bit high speed PWM output

O Timer0 match output

I A/D converter input

Pin

Type

E-1

E-2

B

E

E-1

B

E-1

E-1

E-1

E-1

E-1

E

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Pins

ADC0–ADC7

INT0/INT1

PWM

XIN, XOUT

RESET

–

ADC8/CLO

T0

P1.0–P1.1

P1.2

–

P2.6

P0.0, P0.1

P0.6

P2.0

P0.0–P0.7

P2.6

1-6

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