参数资料
型号: WJLXT971ALE.A4-857346
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件页数: 41/80页
文件大小: 931K
代理商: WJLXT971ALE.A4-857346
Page 46
Cortina Systems LXT972A Single-Port 10/100 Mbps PHY Transceiver
LXT972A PHY
Datasheet
249186, Revision 5.2
13 September 2007
5.10 Boundary Scan (JTAG
1149.1) Functions
5.10.4
Boundary Scan Register
Each Boundary Scan Register (BSR) cell has two stages. A flip-flop and a latch are used
for the serial shift stage and the parallel output stage. Table 16 lists the four BSR modes of
operation.
5.10.5
Device ID Register
Table 17 lists the bits for the Device ID register. For the current version of the JEDEC
continuation characters, see the specification update for the LXT972A PHY.
Table 16
BSR Mode of Operation
Mode
Description
1Capture
2Shift
3
Update
4
System Function
Table 17
Device ID Register
Bits 31:28
Bits 27:12
Bits 11:8
Bits 7:1
Bit 0
Version
Part ID (Hex)
JEDEC Continuation Characters
JEDEC ID1
Reserved
XXXX
03CB
0000
111 1110
1
1. The JEDEC ID is an 8-bit identifier. The MSB is for parity and is ignored. The JEDEC ID is FE
(1111 1110), which becomes 111 1110.
相关PDF资料
PDF描述
WJLXT972ALC.A4-857341 DATACOM, ETHERNET TRANSCEIVER, PQFP64
WJLXT972ALC.A4-857345 DATACOM, ETHERNET TRANSCEIVER, PQFP64
WJLXT971ALC.A4SE000 DATACOM, ETHERNET TRANSCEIVER, PQFP64
WJLXT971ALC.A4SE001 DATACOM, ETHERNET TRANSCEIVER, PQFP64
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