DS21Q44 Просмотр технического описания (PDF) - Maxim Integrated

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производитель

DS21Q44

Enhanced Quad E1 Framer

Maxim Integrated 

Table 2-2. PIN DESCRIPTION SORTED BY PIN FUNCTION, FMS = 0

DS21Q44

PIN

SYMBOL

TYPE

DESCRIPTION

108

8MCLK

23

A0

24

A1

25

A2

26

A3

27

A4

28

A5

29

A6/ALE (AS)

46

A7

61

BTS

112

CLKSI

60

CS*

117

D0 or AD0

118

D1 or AD1

119

D2 or AD2

120

D3 or AD3

121

D4 or AD4

122

D5 or AD5

123

D6 or AD6

124

D7 or AD7

47

FMS

58

FS0

59

FS1

30

INT*

52

JTCLK

84

JTDI

86

JTDO

50

JTMS

18

JTRST

64

MUX

10

RCHBLK0

44

RCHBLK1

80

RCHBLK2

104

RCHBLK3

6

RCLK0

40

RCLK1

74

RCLK2

100

RCLK3

62

RD*/(DS*)

17

RFSYNC0

51

RFSYNC1

85

RFSYNC2

109

RFSYNC3

O 8MHz Clock

I Address Bus Bit 0; LSB

I Address Bus Bit 1

I Address Bus Bit 2

I Address Bus Bit 3

I Address Bus Bit 4

I Address Bus Bit 5

I Address Bus Bit 6; MSB or Address Latch Enable (Address

Strobe)

I Address Bus Bit 7

I Bus Type Select for Parallel Control Port

I 8MCLK Clock Reference Input

I Chip Select

I/O Data Bus Bit or Address/Data Bit 0; LSB

I/O Data Bus Bit or Address/Data Bit 1

I/O Data Bus Bit or Address/Data Bit 2

I/O Data Bus Bit or Address/Data Bit 3

I/O Data Bus Bit or Address/Data Bit 4

I/O Data Bus Bit or Address/Data Bit 5

I/O Data Bus Bit or Address/Data Bit 6

I/O Data Bus Bit or Address/Data Bit 7; MSB

I Framer Mode Select

I Framer Select 0 for Parallel Control Port

I Framer Select 1 for Parallel Control Port

O Receive Alarm Interrupt for all Four Framers

I JTAG Test Clock

I JTAG Test Data Input

O JTAG Test Data Output

I JTAG Test Mode Select

I JTAG Reset

I Nonmultiplexed or Multiplexed Bus Select

O Receive Channel Block from Framer 0

O Receive Channel Block from Framer 1

O Receive Channel Block from Framer 2

O Receive Channel Block from Framer 3

I Receive Clock for Framer 0

I Receive Clock for Framer 1

I Receive Clock for Framer 2

I Receive Clock for Framer 3

I Read Input (Data Strobe)

O Receive Frame Sync from Framer 0

O Receive Frame Sync from Framer 1

O Receive Frame Sync from Framer 2

O Receive Frame Sync from Framer 3

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