数据搜索系统,热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

SN74ABT8652 数据表(PDF) 10 Page - Texas Instruments

Click here to check the latest version.
部件名 SN74ABT8652
功能描述  SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
Download  25 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74ABT8652 数据表(HTML) 10 Page - Texas Instruments

Back Button SN74ABT8652 Datasheet HTML 6Page - Texas Instruments SN74ABT8652 Datasheet HTML 7Page - Texas Instruments SN74ABT8652 Datasheet HTML 8Page - Texas Instruments SN74ABT8652 Datasheet HTML 9Page - Texas Instruments SN74ABT8652 Datasheet HTML 10Page - Texas Instruments SN74ABT8652 Datasheet HTML 11Page - Texas Instruments SN74ABT8652 Datasheet HTML 12Page - Texas Instruments SN74ABT8652 Datasheet HTML 13Page - Texas Instruments SN74ABT8652 Datasheet HTML 14Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 10 / 25 page
background image
SN54ABT8652, SN74ABT8652
SCAN TEST DEVICES
WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SCBS122F – AUGUST 1992 – REVISED DECEMBER 1996
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
data register description
boundary-scan register
The boundary-scan register (BSR) is 38 bits long. It contains one boundary-scan cell (BSC) for each
normal-function input and two BSCs for each normal-function I/O (one for input data and one for output data).
The BSR is used to store test data that is to be applied internally to the inputs of the normal on-chip logic and/or
externally to the device output terminals, and/or to capture data that appears internally at the outputs of the
normal on-chip logic and/or externally at the device input terminals.
The source of data to be captured into the BSR during Capture-DR is determined by the current instruction. The
contents of the BSR can change during Run-Test/Idle as determined by the current instruction. At power up or
in Test-Logic-Reset, the value of each BSC is reset to logic 0 except BSC 36, which is reset to logic 1.
The BSR order of scan is from TDI through bits 37–0 to TDO. Table 1 shows the BSR bits and their associated
device pin signals.
Table 1. Boundary-Scan Register Configuration
BSR BIT
NUMBER
DEVICE
SIGNAL
BSR BIT
NUMBER
DEVICE
SIGNAL
BSR BIT
NUMBER
DEVICE
SIGNAL
BSR BIT
NUMBER
DEVICE
SIGNAL
BSR BIT
NUMBER
DEVICE
SIGNAL
37
OEAB
31
A8-I
23
A8-O
15
B8-I
7
B8-O
36
OEBA
30
A7-I
22
A7-O
14
B7-I
6
B7-O
35
CLKAB
29
A6-I
21
A6-O
13
B6-I
5
B6-O
34
CLKBA
28
A5-I
20
A5-O
12
B5-I
4
B5-O
33
SAB
27
A4-I
19
A4-O
11
B4-I
3
B4-O
32
SBA
26
A3-I
18
A3-O
10
B3-I
2
B3-O
––
––
25
A2-I
17
A2-O
9
B2-I
1
B2-O
––
––
24
A1-I
16
A1-O
8
B1-I
0
B1-O
boundary-control register
The boundary-control register (BCR) is 11 bits long. The BCR is used in the context of the RUNT instruction to
implement additional test operations not included in the basic SCOPE
™ instruction set. Such operations include
PRPG, PSA with input masking, and binary count up (COUNT). Table 4 shows the test operations that are
decoded by the BCR.
During Capture-DR, the contents of the BCR are not changed. At power up or in Test-Logic-Reset, the BCR is
reset to the binary value 00000000010, which selects the PSA test operation with no input masking.
The BCR order of scan is from TDI through bits 10–0 to TDO. Table 2 shows the BCR bits and their associated
test control signals.
Table 2. Boundary-Control Register Configuration
BCR BIT
NUMBER
TEST
CONTROL
SIGNAL
BCR BIT
NUMBER
TEST
CONTROL
SIGNAL
BCR BIT
NUMBER
TEST
CONTROL
SIGNAL
10
MASK8
6
MASK4
2
OPCODE2
9
MASK7
5
MASK3
1
OPCODE1
8
MASK6
4
MASK2
0
OPCODE0
7
MASK5
3
MASK1


类似零件编号 - SN74ABT8652

制造商部件名数据表功能描述
logo
Texas Instruments
SN74ABT8652 TI-SN74ABT8652 Datasheet
682Kb / 33P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SN74ABT8652 TI1-SN74ABT8652 Datasheet
520Kb / 31P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SN74ABT8652DL TI-SN74ABT8652DL Datasheet
682Kb / 33P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SN74ABT8652DL TI1-SN74ABT8652DL Datasheet
520Kb / 31P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SN74ABT8652DLG4 TI-SN74ABT8652DLG4 Datasheet
682Kb / 33P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
More results

类似说明 - SN74ABT8652

制造商部件名数据表功能描述
logo
Texas Instruments
SN54ABT8652 TI-SN54ABT8652_07 Datasheet
682Kb / 33P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SN54ABT8652 TI1-SN54ABT8652_16 Datasheet
520Kb / 31P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SN54ABT8245 TI-SN54ABT8245_07 Datasheet
635Kb / 30P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS
SN54BCT8245A TI-SN54BCT8245A Datasheet
309Kb / 22P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS
SN54BCT8245A TI-SN54BCT8245A_08 Datasheet
658Kb / 29P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS
SN54ABT8245 TI-SN54ABT8245_08 Datasheet
665Kb / 30P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS
SN54ABT8245 TI-SN54ABT8245 Datasheet
364Kb / 25P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS
SN54ABT8245 TI-SN54ABT8245_06 Datasheet
483Kb / 28P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS
SN54ABT8646 TI-SN54ABT8646 Datasheet
537Kb / 32P
[Old version datasheet]   SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS AND RESISTERS
74ABTH182652APMG4 TI1-74ABTH182652APMG4 Datasheet
580Kb / 39P
[Old version datasheet]   SCAN TEST DEVICES WITH 18-BIT BUS TRANSCEIVERS AND REGISTERS
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25


数据表 下载

Go To PDF Page


链接网址




隐私政策
ALLDATASHEETCN.COM
ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com