參數(shù)資料
型號(hào): PEB2265
廠商: SIEMENS AG
元件分類: Codec
英文描述: Two Channel Codec Filter with IOM㈢-2 Interface (IOM㈢-2 - SICOFI㈢-2)
中文描述: 雙信道編解碼器與國際移民組織㈢-2接口(移徙㈢-2 - SICOFI㈢-2)
文件頁數(shù): 74/77頁
文件大?。?/td> 851K
代理商: PEB2265
PEB 2265
Test Features
Semiconductor Group
74
1997-07-01
EXTEST
INTEST
Is used to examine the board interconnections.
Supports internal chip testing (is the default value of the instruction
register)
SAMPLE/PRELOAD
Provides a snap-shot of the pin level during normal operation, or is
used to preload the boundary scan with a test vector
ICODE
The 32 bit identification register is serially read out via TDO. It
contains a version number (4 bit), a device code (16 bit) and the
manufacture code (11 bit). The LSB is fixed to ‘1’.
For the IOM-2 – SICOFI-2 V1.1 the Code is: ‘0011 0000 0000 0001
0101 0000 1000 001 1’
TAP_TEST1
39 bit field for selecting operation
(Level Metering Offset, Loops, Tone Generator …)
TAP_TEST2
Wait for Level Metering result ready (should be > t.b.d. mS)
TAP_TEST5
Level Metering Data output (1 bit result of Level Metering per
channel)
TAP_TEST4
Level Metering Operation is switched off
BYPASS
a bit entering TDI is shifted to TDO after one TCK clock cycle
Table 23
Code
0000
0001
0010
0011
0100
0101
1000
0111
11xx
Instruction
EXTEST
INTEST
SAMPLE/PRELOAD
ICODE
Tap_Test 1
Tap_Test 2
Tap_Test 5
Tap_Test 4
BYPASS
Function
External testing
Internal testing
Snap-shot testing
Reading ID code
Configuration for Level Metering
Wait for result
Serial testdata output (Level Metering Results)
Switch off Test
Bypass operation
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