Nokia 2180 服务手册

PAMS

Technical Documentation

NHD–4

Schematics/Layouts & Pinouts

Page 5–14

Original 11/97

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72

CVSS

A10

A1
1

A12

A13

A14

A15

CVSS

CVDD

CVSS

CVDD

READY

PS

DS

IS

R/W

MSTRB

IOSTRB

MSC

XF

HOLDA

IAQ

HOLD

BIO

MP/MC

DVSS

CLKR0

CLKR1

FSR0

FSR1

DR0

DR1

CLKX0

CLKX1

CVSS

CVDD

FSX0

FSX1

DX0

DX1

DVSS

DVDD

IACK

NMI

INT2

CLKMD1

CLKMD2

CLKMD3

CVDD

CVSS

INT1

INT0

INT3

CNT

T

OUT

EMU0

EMU1/OFF

TDO

TDI

/TRST

TCK

TMS

CLKOUT

X1

CVSS

DVSS

CVDD

X2/CLKIN

RS

D0

D2

D1

D3

D4

D5

DVDD

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

DVDD

CVDD

CVSS

DVSS

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

1  Ground

2–7  Parallel port address bus

8  VL2

9  Ground

10  Ground

11  +VDD

12  External access

     ready to complete

13  No connection

14  Data space select

15  No connection

16  Read/write

17  External memory access strobe

18  No Connection

19  No Connection

20  No connection

21  No Connection

22  No conneection

23  Connected to VL2

24  Connected to VL2

25  Connected to Ground

26  Ground

27  Serial port 0 receive clock

28  Serial port 1 receive clock

29  Serial port 0 receive frame synchronization

30  Serial port 1 receive frame synchronization

31  Serial port 0 data receive

32  serial port 1 data receive

33  Serial port 0 transmit clock

34  Serial port 1 transmit clock

35  Ground

36  VL2

37  Serial port 0 transmit frame synchronization

38  Serial port 1 transmit frame synchronization

39  VL2

40  Ground

41  Serial port 0 transmit output

42  Serial port 1 transmitt output

43  No Connection

44  Connected toVL2

45  Interrupt 0

49  Connected to VL2

50  Ground

51–53  Connected to Ground

54  No Connection

63  Ground

64  VL2

65  Ground

66  No Connection

70–75  Parallel data port

67  No Connection

68  Oscillator/exeternal clock clock input

69  Device reset

76  VL2

77–86  Parallel data port

87  VL2

88  Ground

89  Ground

90  VL2

91–100  Parallel port address bus

/

/

/

/

/

46  Interrupt 1

48  Connected to VL2

55–62  No Connection