參數(shù)資料
型號(hào)： SN54LVT8980JT
廠商： Texas Instruments, Inc.
英文描述： EMBEDDED TEST-BUS CONTROLLERS IEEE STD 1149.1 JTAG TAP MASTERS WITH 8-BIT GENERIC HOST INTERFACES
中文描述： 嵌入式測(cè)試總線控制器IEEE標(biāo)準(zhǔn)1149.1 JTAG接口，8咨詢大師比特通用主機(jī)接口
文件頁(yè)數(shù)： 21/34頁(yè)
文件大?。?/td> 495K
代理商： SN54LVT8980JT
SN54LVT8980, SN74LVT8980
EMBEDDED TEST-BUS CONTROLLERS
IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 8-BIT GENERIC HOST INTERFACES
SCBS676C – DECEMBER 1996 – REVISED AUGUST 1997
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Table 10. TMS Sequencing From TAP State Pause-IR
FROM PAUSE-IR (TMS = L) TO:
TEST-LOGIC-RESET
RUN-TEST-IDLE
SHIFT-DR
PAUSE-DR
SHIFT-IR
PAUSE-IR
NEXT
TMS
NEXT
TAP
STATE
NEXT
TMS
NEXT
TAP
STATE
NEXT
TMS
NEXT
TAP
STATE
NEXT
TMS
NEXT
TAP
STATE
NEXT
TMS
NEXT
TAP
STATE
NEXT
TMS
NEXT
TAP
STATE
H
Exit2-IR
H
Exit2-IR
H
Exit2-IR
H
Exit2-IR
H
Exit2-IR
H
Exit2-IR
H
Update-IR
H
Update-IR
H
Update-IR
H
Update-IR
L
Shift-IR
H
Update-IR
H
S-DR-S
L
R-T/I
H
S-DR-S
H
S-DR-S
H
S-DR-S
H
S-IR-S
L
Capture-DR
L
Capture-DR
H
S-IR-S
H
T-L-R
L
Shift-DR
H
Exit1-DR
L
Capture-IR
L
Pause-DR
H
Exit1-IR
L
Pause-IR
Table 11. TMS Sequencing From TAP State Shift-DR
FROM SHIFT-DR (TMS = L) TO:
TEST-LOGIC-RESET
RUN-TEST-IDLE
PAUSE-DR
PAUSE-IR
NEXT TMS
NEXT TAP STATE
NEXT TMS
NEXT TAP STATE
NEXT TMS
NEXT TAP STATE
NEXT TMS
NEXT TAP STATE
H
Exit1-DR
H
Exit1-DR
H
Exit1-DR
H
Exit1-DR
H
Update-DR
H
Update-DR
L
Pause-DR
H
Update-DR
H
S-DR-S
L
R-T/I
H
S-DR-S
H
S-IR-S
H
S-IR-S
H
T-L-R
L
Capture-IR
H
Exit1-IR
L
Pause-IR
Table 12. TMS Sequencing From TAP State Shift-IR
FROM SHIFT-IR (TMS = L) TO:
TEST-LOGIC-RESET
RUN-TEST-IDLE
PAUSE-DR
PAUSE-IR
NEXT TMS
NEXT TAP STATE
NEXT TMS
NEXT TAP STATE
NEXT TMS
NEXT TAP STATE
NEXT TMS
NEXT TAP STATE
H
Exit1-IR
H
Exit1-IR
H
Exit1-IR
H
Exit1-IR
H
Update-IR
H
Update-IR
H
Update-IR
L
Pause-IR
H
S-DR-S
L
R-T/I
H
S-DR-S
H
S-IR-S
L
Capture-DR
H
T-L-R
H
Exit1-DR
L
Pause-DR
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