参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 11/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
1
2
3
4
5
TMS
TDI
TDO
RTCK
TCK
SPNS174
– SEPTEMBER 2011
4.21.5 JTAG Scan Interface Timings
Table 4-39. JTAG Scan Interface Timing(1)
No.
Parameter
Min
MAX
Unit
fTCK
TCK frequency (at HCLKmax)
12
MHz
fRTCK
RTCK frequency (at TCKmax and HCLKmax)
10
MHz
1
td(TCK -RTCK)
Delay time, TCK to RTCK
24
ns
2
tsu(TDI/TMS - RTCKr)
Setup time, TDI, TMS before RTCK rise (RTCKr)
15
ns
3
th(RTCKr -TDI/TMS)
Hold time, TDI, TMS after RTCKr
0
ns
4
th(RTCKr -TDO)
Hold time, TDO after RTCKf
0
ns
5
td(TCKf -TDO)
Delay time, TDO valid after RTCK fall (RTCKf)
10
ns
(1)
Timings for TDO are specified for a maximum of 50pF load on TDO
Figure 4-20. JTAG Timing
108
System Information and Electrical Specifications
Copyright
2011, Texas Instruments Incorporated
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