Gpio Timing - Motorola DSP56367 User Manual

Specifications

GPIO Timing

3.17 GPIO TIMING
No.
2 EXTAL edge to GPIO out valid (GPIO out delay time)
490
491 EXTAL edge to GPIO out not valid (GPIO out hold time)
492 GPIO In valid to EXTAL edge (GPIO in set-up time)
493 EXTAL edge to GPIO in not valid (GPIO in hold time)
2 Fetch to EXTAL edge before GPIO change
494
495 GPIO out rise time
496 GPIO out fall time
= 1.8 V ± 0.09 V; T
Note: 1. V
CC
2. Valid only when PLL enabled with multiplication factor equal to one.
EXTAL
(Input)
GPIO
(Output)
GPIO
(Input)
A0–A17
Fetch the instruction MOVE X0,X:(R0); X0 contains the new value of GPIO
and R0 contains the address of GPIO data register.
GPIO
(Output)
3-74
Table 3-25 GPIO Timing
1
Characteristics
= 0°C to +95°C, C
J
492 493
Valid
494
495
DSP56367
Expression
6.75 × T
-1.8
C
—
—
= 50 pF
L
490
491
496
Uni
Min Max
t
— 32.8 ns
4.8 — ns
10.2 — ns
1.8 — ns
54.5 — ns
— 13 ns
— 13 ns
MOTOROLA