mpc8378 Freescale Semiconductor, Inc, mpc8378 Datasheet - Page 77

• Manufacturer Part Number: mpc8378
• Description: Powerquicc Ii Pro Processor
• Manufacturer: Freescale Semiconductor, Inc

20.2
Table 70
Figure 48
Figure 49
generally reference the rising edge of the clock, these AC timing diagrams also apply when the falling edge
is the active edge.
Freescale Semiconductor
Output low voltage
Output low voltage
SPI outputs—Master mode (internal clock) delay
SPI outputs—Slave mode (external clock) delay
SPI inputs—Master mode (internal clock) input setup time
SPI inputs—Master mode (internal clock)input hold time
SPI inputs—Slave mode (external clock) input setup time
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.
provides the SPI input and output AC timing specifications.
SPI AC Timing Specifications
provides the AC test load for the SPI.
through
(first two letters of functional block)(reference)(state)(signal)(state)
Parameter
Figure 50
MPC8377E PowerQUICC II Pro Processor Hardware Specifications, Rev. 3
Output
Table 69. SPI DC Electrical Characteristics (continued)
Parameter
represent the AC timing from
Table 70. SPI AC Timing Specifications
Figure 48. SPI AC Test Load
Z
I
0
I
OL
OL
Condition
= 50 Ω
= 3.2 mA
= 8.0 mA
(first two letters of functional block)(signal)(state) (reference)(state)
for outputs. For example, t
Table
Symbol
V
V
OL
OL
R
Symbol
70. Note that although the specifications
t
L
t
t
t
NEKHOV
t
t
NIKHOV
NEIVKH
NEIXKH
NIIVKH
NIIXKH
= 50 Ω
1
Min
—
—
OVDD/2
NIKHOV
Min
0.5
2
4
0
4
2
symbolizes the internal
Max
0.5
0.4
Max
—
—
—
—
6
8
Unit
Unit
ns
ns
ns
ns
ns
ns
V
V
for
SPI
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