SZF2002 Просмотр технического описания (PDF) - Philips Electronics

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производитель

SZF2002

Low voltage 8-bit microcontroller with 6-kbyte embedded RAM

Philips Electronics 

Philips Semiconductors

Low voltage 8-bit microcontroller with

6-kbyte embedded RAM

Product specification

SZF2002

7.2 Pin description

Table 1 LQFP80 package

SYMBOL

PIN

DESCRIPTION

Program memory interface; note 1

A0

55 A0/RD. Address line 0, used as RD during Debug.

A1

54 A1/WR. Address line 1, used as WR during Debug.

A2

53 A2/ALE. Address line 2, used as ALE during Debug.

A3

52 A3/PSEN. Address line 3, used as PSEN during Debug.

A4

6

A4/RST. Address line 4, used as RST during Debug.

A5

5

A5/TRUE_A15. Address line 5, used as A15 = P2.7 during Debug.

A6

4

A6. Address line 6 (not needed during Debug, see D6).

A7

3

A7. Address line 7 (not needed during Debug, see D7).

A8

73 Address lines A8 to A14. During Debug these lines are used as P2.0 to P2.6.

A9

72

A10

67

A11

69

A12

2

A13

74

A14

75

A15

79 Address lines A15 to A17. Page selection; during Debug these lines are the page

A16

78 register. Each bank is 32 kbytes.

A17

76

D0

56 Data bus. During Debug these line are P0.0 to P0.7.

D1

57

D2

58

D3

59

D4

62

D5

63

D6

64

D7

65

CE

66 Chip Enable. Enable strobe to external program memory.

OE

68 Output Enable. Output read strobe to external memory.

WE

77 Write Enable. Write strobe to external memory.

1998 Aug 26

7

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