TC290 Datasheet, PDF (392/476 Pages) Infineon Technologies AG – 32-Bit Single-Chip Micocontroller

TC290 / TC297 / TC298 / TC299 BB-Step
Electrical SpecificationJTAG Parameters
3.20
JTAG Parameters
The following parameters are applicable for communication through the JTAG debug interface. The JTAG module
is fully compliant with IEEE1149.1-2000.
Table 3-43 JTAG
Parameter
Symbol
Values
Min.
Typ.
TCK clock period
t₁ SR
25
-
TCK high time
t₂ SR
10
-
TCK low time
t₃ SR
10
-
TCK clock rise time
t₄ SR
-
-
TCK clock fall time
t₅ SR
-
-
TDI/TMS setup to TCK rising t₆ SR
6.0
-
edge
TDI/TMS hold after TCK rising t₇ SR
6.0
-
edge
TDO valid after TCK falling
t₈ CC
3.0
-
edge (propagation delay) ¹⁾
-
-
TDO hold after TCK falling
t₁₈ CC
2
-
edge ¹⁾
TDO high impedance to valid t₉ CC
-
-
from TCK falling edge ¹⁾²⁾
TDO valid output to high
t₁₀ CC
-
-
impedance from TCK falling
edge ¹⁾
1) The falling edge on TCK is used to generate the TDO timing.
2) The setup time for TDO is given implicitly by the TCK cycle time.
Max.
-
-
-
4
4
-
-
-
16.5
-
17.5
17.5
Unit Note / Test Condition
ns
ns
ns
ns
ns
ns
ns
ns
C_L≤20pF
ns
C_L≤50pF
ns
ns
C_L≤50pF
ns
C_L≤50pF
t₁
0.5 VDDP
t₅
t₂
t₃
Figure 3-11 Test Clock Timing (TCK)
0.9 V_DDP
t₄
0.1 V_DDP
MC_ JTAG_ TCK
Data Sheet
3-386
V 1.1 2015-05
TC290/TC297/TC298/TC299 BB-Step Data Sheet downloaded by saravanakumar maniyam (larsen and Toubro limited) at 08 Sep 2015 08:06