C541U 查看數據表（PDF） - Siemens AG

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C541U

8-Bit CMOS Microcontroller

Siemens AG 

C540U

C541U

VCCU 1

VSSU 2

D+ 3

D- 4

N.C. 5

N.C. 6

P1.0 / LED0 7

P1.1 / LED1 8

P1.2 / SCLK 9

VCC 10

VSS 11

RESET 12

P3.0 / LED2 13

P1.3 / SRI 14

P1.6 15

P3.1 / DADD 16

P3.2 / INT0 17

P3.3 / INT1 18

P3.4 / T0 19

P3.5 / T1 20

P3.6 / WR 21

P3.7 / RD 22

XTAL2 23

XTAL1 24

VSS 25

VCC 26

C540U

C541U

52 N.C.

51 P1.5 / SLS

50 P0.0 / AD0

49 P0.1 / AD1

48 P0.2 / AD2

47 P0.3 / AD3

46 P0.4 / AD4

45 P0.5 / AD5

44 P0.6 / AD6

43 P0.7 / AD7

42 EA

41 P1.4 / STO

40 P1.7

39 ALE

38 PSEN

37 N.C.

36 N.C.

35 P2.7 / A15

34 P2.6 / A14

33 P2.5 / A13

32 P2.4 / A12

31 P2.3 / A11

30 P2.2 / A10

29 P2.1 / A9

28 P2.0 / A8

27 N.C.

MCP03344

This pin functionality ist not available for the C540U.

Figure 4

Pin Configuration P-SDIP-52 Package (top view)

Semiconductor Group

7

1997-10-01

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