TMS570LS3135_17 Datasheet, PDF (107/172 Pages) Texas Instruments – 16- and 32-Bit RISC Flash Microcontroller

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TMS570LS3135, TMS570LS2135, TMS570LS2125
SPNS164C – APRIL 2012 – REVISED APRIL 2015
6.21.5 JTAG Scan Interface Timings
Table 6-40. JTAG Scan Interface Timing⁽¹⁾
NO.
PARAMETER
MIN
fTCK
TCK frequency (at HCLKmax)
fRTCK
RTCK frequency (at TCKmax and HCLKmax)
10
1 td(TCK -RTCK)
Delay time, TCK to RTCK
2 tsu(TDI/TMS - RTCKr)
Setup time, TDI, TMS before RTCK rise (RTCKr)
26
3 th(RTCKr -TDI/TMS)
Hold time, TDI, TMS after RTCKr
0
4 th(RTCKr -TDO)
Hold time, TDO after RTCKf
0
5 td(TCKf -TDO)
Delay time, TDO valid after RTCK fall (RTCKf)
(1) Timings for TDO are specified for a maximum of 50pF load on TDO
TCK
MAX
12
24
12
UNIT
MHz
MHz
ns
ns
ns
ns
ns
RTCK
TMS
TDI
TDO
1
1
2
3
4
5
Figure 6-22. JTAG Timing
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System Information and Electrical Specifications 107
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