Datasheet

ManualsBrandsNXP SEMICONDUCTORS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller LQFP 112 (20x20) 16-Bit 8 MHz I/O number 83

General Description

MC68HC812A4 Data Sheet, Rev. 7

26 Freescale Semiconductor

Figure 1-5. Expanded Narrow Mode SRAM Expansion Schematic (Sheet 1 of 3)

75

76

77

78

81

82

83

84

PH0

PH1

PH2

PH3

PH4

PH5

PH6

PH7

87

88

89

90

91

92

93

94

PAD0

PAD1

PAD2

PAD3

PAD4

PAD5

PAD6

PAD7

MC68HC812A4

U1

PAD0

PAD1

PAD2

PAD3

PAD4

PAD5

PAD6

PAD7

PH0

PH1

PH2

PH3

PH4

PH5

PH6

PH7

PH[0..7]PAD[0..7]

68

69

70

71

72

73

74

PF0/CS0

PF1/CS1

PF2/CS2

PF3/CS3

PF4/CSD

PF5/CSP0

PF6/CSP1

3

4

5

6

7

8

9

10

PJ0/KWJ0

PJ1/KWJ1

PJ2/KWJ2

PJ3/KWJ3

PJ5/KWJ4

PJ5/KWJ5

PJ6/KWJ6

PJ7/KWJ7

PJ0

PJ1

PJ2

PJ3

PJ4

PJ5

PJ6

PJ7

PF0

PF1

PF2

PF3

PF4

PF5

PF6

PF[0..7]PJ[0..7]

105

106

107

108

109

110

111

112

PT0/IOC0

PT1/IOC1

PT2/IOC2

PT3/IOC3

PT4/IOC4

PT5/IOC5

PT6/IOC6

PT7/IOC7

PT0

PT1

PT2

PT3

PT4

PT5

PT6

PT7

A[0..21]

PT[0..7]

D[0..15]

11

12

13

16

17

18

PG0/ADDR16

PG1/ADDR17

PG2/ADDR18

PG3/ADDR19

PG4/ADDR20

PG5/ADDR21

A16

A17

A18

A19

A20

A21

52

53

54

55

56

57

58

59

PB0/ADDR00

PB1/ADDR01

PB2/ADDR02

PB3/ADDR03

PB4/ADDR04

PB5/ADDR05

PB6/ADDR06

PB7/ADDR07

A0

A1

A2

A3

A4

A5

A6

A7

20

21

22

23

24

25

26

27

PD0/KWD0/DATA0

PD1/KWD1/DATA1

PD2/KWD2/DATA2

PD3/KWD3/DATA3

PD4/KWD4/DATA4

PD5/KWD5/DATA5

PD6/KWD6/DATA6

PD7/KWD7/DATA7

D0

D1

D2

D3

D4

D5

D6

D7

28

29

30

31

32

33

34

35

PC0/DATA08

PC1/DATA09

PC2/DATA10

PC3/DATA11

PC4/DATA12

PC5/DATA13

PD6/DATA14

PC7/DATA15

D8

D9

D10

D11

D12

D13

D14

D15

60

61

62

63

64

65

66

67

PA0/ADDR08

PA1/ADDR09

PA2/ADDR10

PA3/ADDR11

PA4/ADDR12

PA5/ADDR13

PA6/ADDR14

PA7/ADDR15

A8

A9

A10

A11

A12

A13

A14

A15

97

98

99

100

101

102

103

104

PS0/RxD0

PS1/RxD0

PS2/TxD1

PS3/TxD12

PS4/SDI/MISO

PS5/SD0/MOSI

PS6/SCK

PS7/SS

PS0

PS1

PS2

PS3

PS4

PS5

PS6

PS7

PS[0..7]

19

36

37

38

39

48

49

50

51

PE0/XIRQ

PE1/IRQ

PE2/R/W

PE3/LSTRB

PE4/ECLK

PE5/MODA

PE6/MODB

PE7/ARST

PE0

PE1

PE2

PE3

PE4

PE5

PE6

PE7

PE[0..7]

BKGD/TAGHI

1

41

44

43

45

40

47

46

V

SSX0

V

SSX1

XFC

V

DDPLL

V

SSPLL

RESET

XTAL

EXTAL

14

15

42

79

V

DD

V

SS

V

DDX0

V

DDX1

4

3

SW DIP-2

1

2

S1

PE5

PE6

V

DD

Y1

C3

C4

R3

R

S

RESET

VSS

VDD

JP2

1

2

3

4

5

6

1

2

3

4

5

6

S2

A4_RESET

HEADER 6

1

MC34064

2

3

IN

GND

RSET

C9

0.1

µ

F

C8

0.1

µ

F

C7

0.1

µ

F

C6

1.0

µ

F

V

DD

4.7 k

Ω

4.7 k

Ω

V

DD

V

DD

C

P

C

S

U2

V

SS

4.7 k

Ω

V

DD