参数资料
型号: WJLXT384LEB1
厂商: INTEL CORP
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP144
封装: 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数: 135/140页
文件大小: 1514K
代理商: WJLXT384LEB1
94
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
Intel LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
9.4.2
Analog Port Scan Register (ASR)
The ASR is a 5 bit shift register used to control the analog test port at pins AT1, AT2. When the
INTEST_ANALOG instruction is selected, TDI connects to the ASR input and TDO connects to
the ASR output. After 5 TCK rising edges, a 5 bit control code is loaded into the ASR. Data into
the ASR is shifted in LSB first.
Table 52 shows the 16 possible control codes and the corresponding operation on the analog port.
9.4.3
Device Identification Register (IDR)
The IDR register provides access to the manufacturer number, part number and the LXT384
Transceiver revision. The register is arranged per IEEE 1149.1 and is represented in Table 53. Data
into the IDR is shifted in LSB first.
9.4.4
Bypass Register (BYR)
The Bypass Register is a 1 bit register that allows direct connection between the TDI input and the
TDO output.
Table 52. Analog Port Scan Register (ASR)
ASR Control Code
AT1 Forces Voltage To:
AT2 Senses Voltage From:
11111
TTIP0
TRING0
11110
TTIP1
TRING1
11101
TTIP2
TRING2
11100
TTIP3
TRING3
11011
TTIP4
TRING4
11010
TTIP5
TRING5
11001
TTIP6
TRING6
11000
TTIP7
TRING7
10111
RTIP0
RRING0
10110
RTIP1
RRING1
10101
RTIP2
RRING2
10100
RTIP3
RRING3
10011
RTIP4
RRING4
10010
RTIP5
RRING5
10001
RTIP6
RRING6
10000
RTIP7
RRING7
Table 53. Device Identification Register (IDR)
Bit #
Comments
31 - 28
Revision number
27 - 12
Part number
11 - 1
Manufacturer number
0
Set to “1”
相关PDF资料
PDF描述
WJLXT384LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
WJLXT385LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
WJLXT385LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
WJLXT386LEB2 DATACOM, PCM TRANSCEIVER, PQFP100
WJLXT386LEB2 DATACOM, PCM TRANSCEIVER, PQFP100
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