S3C72B9 查看數據表（PDF） - Samsung

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S3C72B9

The S3C72B5/C72B7/C72B9 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47

Samsung 

PRODUCT OVERVIEW

S3C72B5/C72B7/C72B9/P72B9

PIN DESCRIPTIONS

Pin Name

P0.0

P0.1

P0.2

P0.3

P1.0

P1.1

P1.2

P1.3

P2.0

P2.1

P2.2

P2.3

P3.0

P3.1

P3.2

P3.3

P4.0

P4.1

P4.2

P6.0

P6.1

P6.2

P6.3

P7.0–P7.3

P8.0–P8.3

P9.0–P9.3

P10.0–P10.3

P11.0–P11.3

P12.0–P12.3

P13.0–P13.3

SCK

SO

SI

BUZ

K0–K3

K4–K7

Table 1-1. S3C72B5/C72B7/C72B9 Pin Descriptions

Pin Type

I/O

I

I/O

Description

4-bit I/O port.

1-bit and 4-bit read/write and test is possible.

4-bit unit pull-up resisters are assignable to input pins

by software and are automatically disabled for output

pins. Each bit pin can be allocated as input or output

(1-bit unit). The N-ch open drain or push-pull output

may be selected by software (1-bit unit).

4-bit input port.

1-bit and 4-bit read and test is possible.

4-bit unit pull-up resistors are assignable to input pins

by software.

4-bit I/O port. 1-bit and 4-bit read/write and test is

possible. I/O function is same as port 0.

I/O

4-bit I/O port. 1-bit and 4-bit read/write and test is

possible. I/O function is same as port 0.

I/O

3-bit I/O port. I/O function is same as port 0 except

that port 4 is 3-bit I/O port.

I/O

4-bit I/O port. 1-, 4-bit and 8-bit read/write and test is

possible. 4-bit unit pull-up resisters are assignable to

input pins by software and are automatically disabled

for output pins. Each bit pin can be allocated as input

or output (1-bit unit). The N-ch open drain or push-

pull output may be selected by software (4-bit unit).

I/O

4-bit I/O port. 1-, 4-bit and 8-bit read/write and test is

possible. I/O function is same as port 6, 7.

I/O

4-bit I/O port. 1-, 4-bit and 8-bit read/write and test is

possible. I/O function is same as port 6, 7.

I/O

4-bit I/O port. 1-, 4-bit and 8-bit read/write and test is

possible. I/O function is same as port 6, 7.

I/O

Serial I/O interface clock signal

I/O

Serial data output

I/O

Serial data input

I/O

2, 4, 8, 16 kHz frequency output for buzzer sound

I/O

External interrupts with rising/falling edge detection

Number

16

17

18

19

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47–50

51–54

55–58

59–62

63–66

67–70

71–74

16

17

18

19

16–19

43–46

Share Pin

SCK/K0

SO/K1

SI/K2

BUZ/K3

INT0

INT1

INT2

INT4

M

LCDFR

CLO1

CLO2

TCLO0/CL

TCLO1

TCL0

TCL1

CIN0

CIN1

CIN2

K4/SEG79

K5/SEG78

K6/SEG77

K7/SEG76

SEG75–72

SEG71–68

SEG67–64

SEG63–60

SEG59–56

SEG55–52

SEG51–48

P0.0

P0.1

P0.2

P0.3

P0.0–P0.3

P6.0–P6.3

1-10

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