參數(shù)資料
型號(hào): SN54LVT8996JT
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, CDIP24
封裝: CERAMIC, DIP-24
文件頁(yè)數(shù): 8/41頁(yè)
文件大?。?/td> 603K
代理商: SN54LVT8996JT
SN54LVT8996, SN74LVT8996
3.3-V 10-BIT ADDRESSABLE SCAN PORTS
MULTIDROP-ADDRESSABLE IEEE STD 1149.1 (JTAG) TAP TRANSCEIVERS
SCBS686A – APRIL 1997 – REVISED DECEMBER 1999
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PTDI
PTDO
CON
STDO
STMS
A9–A0
Don’t Care
A0P A9P
STMS = STMS0
PTCK
STCK
PTMS
Don’t Care
STDI
STMS = PTMS
STDO = PTDI
PTDO = STDI
BYP
PTRST
STRST
Select Protocol
Acknowledge Protocol
ON
The instantaneous value of PTDI during protocol acknowledge is “don’t care” as long as the cumulative effect does not represent another valid
select protocol or produce protocol result HARD ERROR.
Don’t Care
Idle
Select
Idle
Select
Idle
Figure 7. Shadow-Protocol Timing, Protocol Result = MATCH, Prior Connect Status = OFF
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