參數(shù)資料
型號: TMX470R1A64PN
廠商: Texas Instruments, Inc.
英文描述: 16/32-Bit RISC Flash Microcontroller
中文描述: 16/32位RISC閃存微控制器
文件頁數(shù): 28/46頁
文件大?。?/td> 381K
代理商: TMX470R1A64PN
www.ti.com
A
SWITCHING CHARACTERISTICS OVER RECOMMENDED OPERATING CONDITIONS FOR RST
(1)
JTAG SCAN INTERFACE TIMING
(JTAG clock specification 10-MHz and 50-pF load on TDO output)
1
1
2
3
4
5
TMS
TDI
TDO
TCK
TMS470R1A64
16/32-Bit RISC Flash Microcontroller
SPNS099–NOVEMBER 2004
PARAMETER
MIN
MAX
UNIT
Valid time, RST active after PORRST inactive
Valid time, RST active (all others)
4112t
c(OSC)
8t
c(SYS)
t
v(RST)
ns
(1)
Specified values do NOT include rise/fall times. For rise and fall timings, see the "switching characteristics for output timings versus load
capacitance" table.
NO.
1
2
3
4
5
MIN
50
15
15
10
MAX
UNIT
ns
ns
ns
ns
ns
t
c(JTAG)
t
su(TDI/TMS - TCKr)
t
h(TCKr -TDI/TMS)
t
h(TCKf -TDO)
t
d(TCKf -TDO)
Cycle time, JTAG low and high period
Setup time, TDI, TMS before TCK rise (TCKr)
Hold time, TDI, TMS after TCKr
Hold time, TDO after TCKf
Delay time, TDO valid after TCK fall (TCKf)
45
Figure 9. JTAG Scan Timing
28
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