mpc8314e Freescale Semiconductor, Inc, mpc8314e Datasheet - Page 72

• Manufacturer Part Number: mpc8314e
• Description: Powerquicc Ii Pro Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

SPI
20.2
Table 63
Figure 54
Figure 55
generally reference the rising edge of the clock, these AC timing diagrams also apply when the falling edge
is the active edge.
72
Input current
Output high voltage
Output low voltage
Output low voltage
SPI outputs valid—master mode (internal clock) delay
SPI outputs hold—master mode (internal clock) delay
SPI outputs valid—slave mode (external clock) delay
SPI outputs hold—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
Notes:
1. Output specifications are measured from the 50% level of the rising edge of SPICLK to the 50% level of the signal. Timings
2. The symbols used for timing specifications follow the pattern of t
are measured at the pin.
inputs and t
timing (NI) for the time SPICLK clock reference (K) goes to the high state (H) until outputs (O) are invalid (X).
and provide the SPI input and output AC timing specifications.
SPI AC Timing Specifications
provides the AC test load for the SPI.
and
(first two letters of functional block)(reference)(state)(signal)(state)
Figure 56
Characteristic
MPC8314E PowerQUICC
Output
represents the AC timing from
Characteristic
Table 62. SPI DC Electrical Characteristics (continued)
Table 63. SPI AC Timing Specifications
Figure 54. SPI AC Test Load
Z
™
0
II Pro Processor Hardware Specifications, Rev. 0
= 50 Ω
Symbol
V
V
V
I
IN
OH
OL
OL
(first two letters of functional block)(signal)(state)(reference)(state)
Table
for outputs. For example, t
I
I
OH
I
OL
OL
Condition
= –8.0 mA
= 3.2 mA
= 8.0 mA
—
63. Note that although the specifications
R
L
Symbol
t
t
t
t
t
t
NEKHOV
NEKHOX
t
t
= 50 Ω
NIKHOV
NIKHOX
NEIVKH
NEIXKH
NIIVKH
NIIXKH
1
2
NVDD/2
Min
2.4
—
—
—
NIKHOX
Min
0.5
—
—
2
6
0
4
2
Freescale Semiconductor
symbolizes the internal
Max
0.5
0.4
±5
Max
—
8.5
—
—
—
—
—
6
Unit
Unit
μA
ns
ns
ns
ns
ns
ns
ns
ns
for
V
V
V