S3C8278 View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S3C8278

8-BIT CMOS MICROCONTROLLERS

Samsung 

S3C8275/F8275/C8278/F8278/C8274/F8274

PRODUCT OVERVIEW

Table 1-1. S3C8275/F8275/C8278/F8278/C8274/F8274 Pin Descriptions (Continued)

Pin

Names

VLC0–VLC2

INT0–INT2

INT3–INT7

T1CLK

TAOUT

TBOUT

CLKOUT

BUZ

SCK, SO, SI

COM0–COM3

SEG0–SEG15

SEG16–SEG30

SEG31

VBLDREF

VREG

nRESET

XTIN, XTOUT

XIN, XOUT

TEST

VDD, VSS

Pin

Type

Pin

Description

– LCD power supply pins.

I/O External interrupts input pins.

I/O Timer 1/A external clock input.

I/O Timer 1/A clock output.

I/O Timer B clock output.

I/O System clock output.

I/O Output pin for buzzer signal.

I/O Serial clock, data output, and data input.

I/O LCD common signal outputs.

I/O LCD segment signal outputs.

I/O Battery level detector reference voltage

O Regulator voltage output for sub clock

(needed 0.1uF)

I System reset pin

– Sub oscillator pins

– Main oscillator pins.

I Test input: it must be connected to VSS

– Power input pins

Circuit Pin

Type

No.

Shared

Functions

–

6–8

–

E-4 18–20

29–33

P0.0–P0.2

P1.3–P1.7

E-4

21

P0.3

E-4

22

P0.4

E-4

23

P0.5

E-4

24

P0.6

E-4

25

P0.7

E-4 26,27,28 P1.0, P1.1, P1.2

H-9

2–5

P6.0–P6.3

H-9

H-8

H-10

1,64– 50

49–35 34

P5.7–P4.0

P3.7–P2.1

P2.0/VBLDREF

H-10

34

P2.0/SEG31

–

17

–

B

16

–

–

14, 15

–

–

12, 11

–

–

13

–

–

9, 10

–

1-7

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