参数资料
型号: PM4314-RI
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: PLASTIC, QFP-128
文件页数: 121/170页
文件大小: 823K
代理商: PM4314-RI
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
109
11
TEST FEATURES DESCRIPTION
Simultaneously asserting (low) the CSB, RDB and WRB inputs causes all digital
output pins and the data bus to be held in a high-impedance state. This test
feature may be used for board testing.
Test mode registers are used to apply test vectors during production testing of
the QDSX. Test mode registers (as opposed to normal mode registers) are
selected when A[8] is high.
Test mode registers may also be used for board testing. When all of the TSBs
within the QDSX are placed in test mode 0, device digital inputs may be read and
outputs may be forced via the microprocessor interface (refer to the section "Test
Mode 0" for details).
In addition, the QDSX also supports a standard IEEE 1149.1 five-signal JTAG
boundary scan test port for use in board testing. All digital device inputs may be
read and all digital device outputs may be forced via the JTAG test port.
Table 5
- Test Mode Register Memory Map
Address
Register
000H-0FFH
Normal Mode Registers
006H or 106H
Master Test Register
100H-10FH
QDSX Test Reserved
110H, 150H, 190H, 1D0H
CDRC Test Register 0
111H, 151H, 191H, 1D1H
CDRC Test Register 1
112H, 152H, 192H, 1D2H
CDRC Test Register 2
113H, 153H, 193H, 1D3H
QDSX Test Reserved
114H, 154H, 194H, 1D4H
LCV_PMON Test Register 0
115H, 155H, 195H, 1D5H
LCV_PMON Test Register 1
116H-11BH, 156H-15BH,
196H-19BH, 1D6H-1DBH
LCV_PMON Test Reserved
11CH, 15CH, 19CH, 1DCH
DJAT Test Register 0
11DH, 15DH, 19DH, 1DDH
DJAT Test Register 1
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