XMC4400 Datasheet, PDF (82/103 Pages) Infineon Technologies AG – Microcontroller Series for Industrial Applications

XMC4400
XMC4000 Family
Electrical Parameters
3.3.7 Serial Wire Debug Port (SW-DP) Timing
The following parameters are applicable for communication through the SW-DP
interface.
Note: These parameters are not subject to production test, but verified by design and/or
characterization.
Note: Operating conditions apply.
Table 48 SWD Interface Timing Parameters (Operating Conditions apply)
Parameter
Symbol
Min.
Values
Typ. Max.
Unit Note /
Test Condition
SWDCLK clock period
t_SC SR 25
–
40
–
SWDCLK high time
t₁ SR 10
–
SWDCLK low time
t₂ SR 10
–
SWDIO input setup
t₃ SR 6
–
to SWDCLK rising edge
–
ns
–
ns
500000 ns
500000 ns
–
ns
C_L = 30 pF
C_L = 50 pF
SWDIO input hold
t₄ SR 6
–
–
ns
after SWDCLK rising edge
SWDIO output valid time t₅
after SWDCLK rising edge
SWDIO output hold time t₆
from SWDCLK rising edge
CC –
–
CC 3
–
17
ns C_L = 50 pF
–
13
ns C_L = 30 pF
–
–
ns
SWDCLK
t_SC
t₁
t₂
t₆
SWDIO
(Output)
t₅
SWDIO
(Input)
Figure 30 SWD Timing
Data Sheet
t₃
t₄
82
V1.2, 2015-12
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