MSC8144 Freescale Semiconductor, MSC8144 Datasheet - Page 62

• Manufacturer Part Number: MSC8144
• Description: Quad Core Digital Signal Processor
• Manufacturer: Freescale Semiconductor

2.7.13
Figure 39 shows the GPIO timing.
62
REFCLK edge to GPIO out valid (GPIO out delay time)
REFCLK edge to GPIO out not valid (GPIO out hold time)
REFCLK edge to high impedance on GPIO out
GPIO in valid to REFCLK edge (GPIO in set-up time)
REFCLK edge to GPIO in not valid (GPIO in hold time)
Note: The clock edge is selectable on SPI.
REFCLK
SPICLK (Output)
(Output)
(Input)
GPIO
Output Signals:
GPIO
GPIO Timing
Input Signals:
(See Note)
(See Note)
SPIMISO
SPIMOSI
t
GPKHOZ
Characteristics
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 1
Figure 38. SPI AC Timing in Master Mode (Internal Clock)
t
NIIVKH
High Impedance
t
GPIVKH
Figure 39. GPIO Timing
Table 51. GPIO Timing
t
NIKHOX
t
NIIXKH
Valid
t
t
Symbol
t
t
t
GPKHOV
GPKHOX
GPKHOZ
GPIVKH
GPIXKH
t
GPIXKH
Min
1.3
3.7
0.5
-
-
Freescale Semiconductor
Max
6.9
6.2
-
-
-
t
GPKHOV
Unit
ns
ns
ns
ns
ns