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SPC56EC74L7 датащи(PDF) 102 Page - STMicroelectronics

номер детали SPC56EC74L7
подробное описание детали  32-bit MCU family built on the Power Architecture® for automotive body electronics applications
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SPC56EC74L7 датащи(HTML) 102 Page - STMicroelectronics

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Electrical Characteristics
SPC564Bxx - SPC56ECxx
102/118
Doc ID 17478 Rev 4
Figure 33. DSPI PCS strobe (PCSS) timing
4.19.3
Nexus characteristics
CSx
7
8
PCSS
Note: Numbers shown reference Table 50.
Table 51.
Nexus debug port timing(1)
Spec
Characteristic
Symbol
Min
Max
Unit
1
MCKO Cycle
Time(2)
tMCYC
16.3
—
ns
2
MCKO Duty
Cycle
tMDC
40
60
%
3
MCKO Low to
MDO, MSEO,
EVTO Data
Valid(3)
tMDOV
–0.1
0.25
tMCYC
4
EVTI Pulse Width
tEVTIPW
4.0
—
tTCYC
5
EVTO Pulse
Width
tEVTOPW
1tMCYC
6
TCK Cycle
Time(4)
tTCYC
40
—
ns
7
TCK Duty Cycle
tTDC
40
60
%
8
TDI, TMS Data
Setup Time
tNTDIS, tNTMSS
8—
ns
9
TDI, TMS Data
Hold Time
tNTDIH, tNTMSH
5—
ns
10
TCK Low to TDO
Data Valid
tJOV
025
ns
1.
JTAG specifications in this table apply when used for debug functionality. All Nexus timing relative to MCKO is measured
from 50% of MCKO and 50% of the respective signal. Nexus timing specified at VDDE = 4.0 – 5.5 V, TA =TL to TH, and
CL = 30 pF with SRC = 0b11.
2.
MCKO can run up to 1/2 of full system frequency. It can also run at system frequency when it is <60 MHz.
3.
MDO, MSEO, and EVTO data is held valid until next MCKO low cycle.
4.
The system clock frequency needs to be three times faster than the TCK frequency.



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