S3C7295 데이터 시트보기 (PDF) - Samsung

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S3C7295

The S3C7295 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47

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PRODUCT OVERVIEW

S3C7295/P7295

Table 1-1. S3C7295 Pin Descriptions (Continued)

Pin Name

K0–K3

VDD

VSS

RESET

CA, CB

VCL0

BIAS

Xin, Xout

XTin, XTout

TEST

Pin

Type

Description

I/O External interrupt (triggering edge is selectable)

– Power supply

– Ground

I Reset input (active low)

– Capacitor terminal for voltage doubling

– LCD power supply input

O Doubling voltage level output

– Crystal, ceramic or RC oscillator pins for system

clock

– Crystal oscillator pins for subsystem clock

I Test input (must be connected to VSS)

Circuit Number Share Pin

Type

E-1

11–8 P0.0–P0.3

–

12

–

–

13

–

B

19

–

–

20, 21

–

–

22

–

–

23

–

–

15, 14

–

–

17, 18

–

–

16

–

NOTE: Pull-up resistors for all I/O ports are automatically disabled if they are configured to output mode.

1-6

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