mpc8378e Freescale Semiconductor, Inc, mpc8378e Datasheet - Page 79

• Manufacturer Part Number: mpc8378e
• Description: Powerquicc Ii Pro Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

Figure 51
Figure 52
generally reference the rising edge of the clock, these AC timing diagrams also apply when the falling edge
is the active edge.
Figure 52
Freescale Semiconductor
SPI inputs—Slave mode (external clock) input hold time
Note:
1
2. Output specifications are measured from the 50% level of the rising edge of CLKIN to the 50% level of the signal. Timings
The symbols used for timing specifications follow the pattern of t
inputs and t
timing (NI) for the time SPICLK clock reference (K) goes to the high state (H) until outputs (O) are invalid (X).
are measured at the pin. The maximum SPICLK input frequency is 66.666 MHz.
Note: The clock edge is selectable on SPI.
provides the AC test load for the SPI.
through
shows the SPI timing in slave mode (external clock).
Output Signals:
SPICLK (input)
Input Signals:
(first two letters of functional block)(reference)(state)(signal)(state)
(See Note)
(See Note)
SPIMOSI
SPIMISO
Figure 53
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 3
Figure 52. SPI AC Timing in Slave Mode (External Clock) Diagram
Output
Parameter
Table 66. SPI AC Timing Specifications (continued)
t
NEIVKH
represent the AC timing from
Figure 51. SPI AC Test Load
Z
0
= 50 Ω
t
NEKHOV
tN
EIXKH
(first two letters of functional block)(signal)(state) (reference)(state)
for outputs. For example, t
Table
R
Symbol
66. Note that although the specifications
L
t
NEIXKH
= 50 Ω
1
OVDD/2
NIKHOV
Min
2
symbolizes the internal
Max
—
Unit
ns
for
SPI
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