参数资料
型号: PM4314
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: QUAD T1/E1 LINE INTERFACE DEVICE
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封装: 14 X 20 MM, PLASTIC, QFP-128
文件页数: 138/170页
文件大小: 823K
代理商: PM4314
PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
126
TRSTB. The state is entered synchronously regardless of the current TAP
controller state by forcing input, TMS high for 5 TCK clock cycles. While in this
state, the instruction register is set to the IDCODE instruction.
Run-Test-Idle
The run test/idle state is used to execute tests.
Capture-DR
The capture data register state is used to load parallel data into the test data
registers selected by the current instruction. If the selected register does not
allow parallel loads or no loading is required by the current instruction, the test
register maintains its value. Loading occurs on the rising edge of TCK.
Shift-DR
The shift data register state is used to shift the selected test data registers by
one stage. Shifting is from MSB to LSB and occurs on the rising edge of TCK.
Update-DR
The update data register state is used to load a test register's parallel output
latch. In general, the output latches are used to control the device. For example,
for the EXTEST instruction, the boundary scan test register's parallel output
latches are used to control the device's outputs. The parallel output latches are
updated on the falling edge of TCK.
Capture-IR
The capture instruction register state is used to load the instruction register with
a fixed instruction. The load occurs on the rising edge of TCK.
Shift-IR
The shift instruction register state is used to shift both the instruction register and
the selected test data registers by one stage. Shifting is from MSB to LSB and
occurs on the rising edge of TCK.
相关PDF资料
PDF描述
PM4314-RI QUAD T1/E1 LINE INTERFACE DEVICE
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