IDT82V3002A(2008) 查看數據表（PDF） - Integrated Device Technology

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IDT82V3002A
(Rev.:2008)

WAN PLL WITH DUAL REFERENCE INPUTS

Integrated Device Technology 

IDT82V3002A

WAN PLL WITH DUAL REFERENCE INPUT

Table - 1 Pin Description (Continued)

Name

Type

Pin

Number

Description

HOLDOVER (CMOS) O

52

Holdover Indicator.

This output goes to a logic high whenever the DPLL goes into Holdover Mode.

NORMAL (CMOS) O

46

Normal Indicator.

This output goes to a logic high whenever the DPLL goes into Normal Mode.

FREERUN (CMOS) O 51 Freerun Indicator.

This output goes to a logic high whenever the DPLL goes into Freerun Mode.

MON_out

O

7

Monitor Reference Out Of Capture Range.

A logic high at this pin indicates that the reference is off the nominal frequency by more than ±12 ppm.

C32o

(CMOS) O

25

Clock 32.768 MHz.

This output is a 32.768 MHz clock used for ST-BUS operation.

C16o

(CMOS) O

24

Clock 16.384 MHz.

This output is a 16.384 MHz clock used for ST-BUS operation.

C8o

(CMOS) O

23

Clock 8.192 MHz.

This output is an 8.192 MHz clock used for ST-BUS operation.

C4o

(CMOS) O

20

Clock 4.096 MHz.

This output is a 4.096 MHz clock used for ST-BUS operation.

C2o

(CMOS) O

17

Clock 2.048 MHz.

This output is a 2.048 MHz clock used for ST-BUS operation.

C3o

(CMOS) O

16

Clock 3.088 MHz.

This output is a 3.088 MHz clock used for T1 applications.

C1.5o

(CMOS) O

15

Clock 1.544 MHz.

This output is a 1.544 MHz clock used for T1 applications.

C6o

(CMOS) O

14

Clock 6.312 MHz.

This output is a 6.312 MHz clock used for DS2 applications.

Frame Pulse ST-BUS 8.192 Mb/s.

F32o (CMOS) O 40 This is an 8 kHz 31 ns active low framing pulse, which marks the beginning of an ST-BUS frame. This is typically used for

ST-BUS operation at 8.192 Mb/s.

Frame Pulse ST-BUS 8.192 Mb/s.

F16o (CMOS) O 39 This is an 8 kHz 61 ns active low framing pulse, which marks the beginning of an ST-BUS frame. This is typically used for

ST-BUS operation at 8.192 Mb/s.

F8o

(CMOS) O

36

Frame Pulse.

This is an 8 kHz 122 ns active high framing pulse, which marks the beginning of a frame.

Frame Pulse ST-BUS 2.048 Mb/s.

F0o

(CMOS) O 33 This is an 8 kHz 244 ns active low framing pulse, which marks the beginning of an ST-BUS frame. This is typically used

for ST-BUS operation at 2.048 Mb/s and 4.096 Mb/s.

Receive Sync Pulse.

RSP (CMOS) O 41 This is an 8 kHz 488 ns active high framing pulse, which marks the beginning of an ST-BUS frame. This is typically used

to connect to Siemens MUNICH-32 device.

Transmit Sync Pulse.

TSP (CMOS) O 42 This is an 8 kHz 488 ns active high framing pulse, which marks the beginning of an ST-BUS frame. This is typically used

to connect to Siemens MUNICH-32 device.

Test Serial Data Out.

TDO (CMOS) O 29 JTAG serial data is output on this pin on the falling edge of TCK. This pin is held in high impedance state if JTAG scan is

not enabled.

TDI

I

32

Test Serial Data In.

JTAG serial test instructions and data are shifted in on this pin. This pin is internally pulled up to VDDD.

PIN DESCRIPTION

8

October 15, 2008

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