mpc8379e Freescale Semiconductor, Inc, mpc8379e Datasheet - Page 68

• Manufacturer Part Number: mpc8379e
• Description: Powerquicc Ii Pro Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

SPI
19.1
Table 66
19.2
Table 67
Figure 45
Figure 46
generally reference the rising edge of the clock, these AC timing diagrams also apply when the falling edge
is the active edge.
68
Input high voltage
Input low voltage
Input current
Output high voltage
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 DC electrical characteristics for the device SPI.
provides the SPI input and output AC timing specifications.
SPI DC Electrical Characteristics
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 47
MPC8379E PowerQUICC II Pro Processor Hardware Specifications, Rev. 3
Output
Parameter
represent the AC timing from
Table 66. SPI DC Electrical Characteristics
Table 67. SPI AC Timing Specifications
Figure 45. SPI AC Test Load
Z
I
OH
I
0
I
OL
OL
Condition
= 50 Ω
= –8.0 mA
= 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
V
V
V
I
IN
OH
OL
OL
IH
IL
R
Symbol
67. Note that although the specifications
t
L
t
t
t
NEKHOV
t
t
NIKHOV
NEIVKH
NEIXKH
NIIVKH
NIIXKH
= 50 Ω
1
–0.3
Min
2.0
2.4
—
—
—
OVDD/2
NIKHOV
Min
0.5
2
4
0
4
2
OV
Freescale Semiconductor
symbolizes the internal
DD
Max
± 30
0.8
0.5
0.4
—
Max
+ 0.3
—
—
—
—
6
8
Unit
Unit
ns
ns
ns
ns
ns
ns
μA
V
V
V
V
V
for