Microcontroller User's Manual

33-18 MCF5282 User’s Manual MOTOROLA
Reset and Configuration Override Timing
Figure 33-7. GPIO Timing
33.10 Reset and Configuration Override Timing
G1a
G2a
CLKOUT High to PQA/PQB Output Valid t
CHPAOV
—12ns
CLKOUT High to PQA/PQB Output Invalid t
CHPAOI
2—ns
G3a
G4a
PQA/PQB Input Valid to CLKOUT Low t
PAVCH
10 — ns
CLKOUT Low to PQA/PQB Input Invalid t
CHPAI
2—ns
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.
Table 33-14. Reset and Configuration Override Timing
(V
DD
= 2.7 to 3.6 V, V
SS
= 0 V)
1
NUM Characteristic Symbol Min Max Unit
R1 RSTI
Input valid to CLKOUT High t
RVCH
10 — ns
R2 CLKOUT High to RSTI Input invalid t
CHRI
2—ns
R3 RSTI
Input valid Time
2
t
RIVT
5—t
CYC
R4 CLKOUT High to RSTO Valid t
CHROV
—12ns
Table 33-13. GPIO Timing
1, 2
(Continued)
(V
DD
= 2.7 to 3.6 V, V
SS
= 0 V, V
DDH
= 5 V)
NUM Characteristic Symbol Min Max Unit
G1
CLKOUT
GPIO Outputs
G2
PQA/PQB Outputs
G2a
G3a G4a
PQA/PQB Inputs
G3 G4
GPIO Inputs
G1a