Reset And Configuration Override Timing; Gpio Timing - Motorola ColdFire MCF5281 User Manual

Reset and Configuration Override Timing

NUM
G1a CLKOUT High to PQA/PQB Output Valid
G2a
CLKOUT High to PQA/PQB Output Invalid
G3a PQA/PQB Input Valid to CLKOUT Low
G4a
CLKOUT Low to PQA/PQB Input Invalid
1
GPIO pins include: Ports A-I, INT, SPI, SCI1/2 (including SCI functions), FlexCAN and Timer.
2
Because of long delays associated with the PQA/PQB pads, signals on the PQA/PQB pins will be updated on the
following edge of the clock.
33.10 Reset and Configuration Override Timing
Table 33-14. Reset and Configuration Override Timing
NUM
R1 RSTI Input valid to CLKOUT High
R2 CLKOUT High to RSTI Input invalid
R3 RSTI Input valid Time
R4 CLKOUT High to RSTO Valid
33-18
Table 33-13. GPIO Timing
(V = 2.7 to 3.6 V, V
DD
Characteristic
CLKOUT
GPIO Outputs
PQA/PQB Outputs
G3
GPIO Inputs
G3a
PQA/PQB Inputs
Figure 33-7. GPIO Timing
(V = 2.7 to 3.6 V, V
DD
Characteristic
2
MCF5282 User's Manual
1, 2
(Continued)
= 0 V, V = 5 V)
SS DDH
Symbol
t
CHPAOV
t
CHPAOI
t
PAVCH
t
CHPAI
G2
G1
G2a
G1a
G4
G4a
1
= 0 V)
SS
Symbol
t
RVCH
t
CHRI
t
RIVT
t
CHROV
Min Max
— 12
2 —
10 —
2 —
Min Max
10 —
2 —
5 —
— 12
MOTOROLA
Unit
ns
ns
ns
ns
Unit
ns
ns
t
CYC
ns