參數(shù)資料
型號(hào): TMS470R1B768PGEQR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, FLASH, 60 MHz, RISC MICROCONTROLLER, PQFP144
封裝: PLASTIC, LQFP-144
文件頁(yè)數(shù): 26/49頁(yè)
文件大?。?/td> 552K
代理商: TMS470R1B768PGEQR
JTAG Scan Interface Timing (JTAG clock specification 10-MHz and 50-pF load on TDO output)
TMS
TDI
TDO
TCK
tc(JTAG)
tsu(TDI/TMS TCKr)
th(TCKr TDI/TMS)
th(TCKf TDO)
td(TCKf TDO)
SPNS108B – AUGUST 2005 – REVISED MAY 2008 ......................................................................................................................................................... www.ti.com
MIN
MAX
UNIT
tc(JTAG)
Cycle time, JTAG low and high period
50
ns
tsu(TDI/TMS - TCKr)
Setup time, TDI, TMS before TCK rise (TCKr)
15
ns
th(TCKr -TDI/TMS)
Hold time, TDI, TMS after TCKr
15
ns
th(TCKf -TDO)
Hold time, TDO after TCKf
10
ns
td(TCKf -TDO)
Delay time, TDO valid after TCK fall (TCKf)
45
ns
Figure 9. JTAG Scan Timings
32
Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): TMS470R1B768
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