186
6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
Figure 20-7. AIC Signals
20.2.5
Parallel I/O Signals
The inputs have to meet the minimum pulse width shown in
and represented in
.
Figure 20-8. PIO Signal
20.2.6
ICE Interface Signals
MCKI
FIQ/IRQ0/
IRQ1/IRQ2/
IRQ3 Input
AIC
1
AIC
2
Table 20-8.
PIO Input Minimum Pulse Width
Symbol
Parameter
Min Pulse Width
Units
PIO
1
PIO Input Minimum Pulse Width
3(t
CP
/2)
ns
PIO
Inputs
PIO
1
Table 20-9.
ICE Interface Timing Specifications
Symbol
Parameter
Conditions
Min
Max
Units
ICE
0
NTRST Minimum Pulse
Width
10.9
ns
ICE
1
NTRST High Recovery to
TCK High
0.9
ns
ICE
2
NTRST High Removal from
TCK High
-0.3
ns
ICE
3
TCK Low Half-period
23.5
ns
ICE
4
TCK High Half-period
22.7
ns
ICE
5
TCK Period
46.1
ns
ICE
6
TDI, TMS Setup before
TCK High
0.4
ns
ICE
7
TDI, TMS Hold after TCK
High
0.4
ns
ICE
8
TDO Hold Time
C
TDO
= 0 pF
3.3
ns
C
TDO
derating
0.001
ns/pF
ICE
9
TCK Low to TDO Valid
C
TDO
= 0 pF
7.4
ns
C
TDO
derating
0.28
ns/pF