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1500457 Datasheet(PDF) 52 Page - Freescale Semiconductor, Inc

Part No. 1500457
Description  Integrated Host Processor Hardware Specifications
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

1500457 Datasheet(HTML) 52 Page - Freescale Semiconductor, Inc

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MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 13
52
Freescale Semiconductor
SPI
17 SPI
This section describes the SPI DC and AC electrical specifications.
17.1
SPI DC Electrical Characteristics
Table 53 provides the SPI DC electrical characteristics.
17.2
SPI AC Timing Specifications
Table 54 provides the SPI input and output AC timing specifications.
Table 53. SPI DC Electrical Characteristics
Parameter
Symbol
Condition
Min
Max
Unit
Input high voltage
VIH
—2.0
OVDD +0.3
V
Input low voltage
VIL
—–0.3
0.8
V
Input current
IIN
——
±5
μA
Output high voltage
VOH
IOH = –8.0 mA
2.4
V
Output low voltage
VOL
IOL = 8.0 mA
0.5
V
Output low voltage
VOL
IOL = 3.2 mA
0.4
V
Table 54. SPI AC Timing Specifications1
Parameter
Symbol2
Min
Max
Unit
SPI outputs valid—Master mode (internal clock) delay
tNIKHOV
—6
ns
SPI outputs hold—Master mode (internal clock) delay
tNIKHOX
0.5
ns
SPI outputs valid—Slave mode (external clock) delay
tNEKHOV
—8
ns
SPI outputs hold—Slave mode (external clock) delay
tNEKHOX
2—
ns
SPI inputs—Master mode (internal clock input setup time
tNIIVKH
4—
ns
SPI inputs—Master mode (internal clock input hold time
tNIIXKH
0—
ns
SPI inputs—Slave mode (external clock) input setup time
tNEIVKH
4—
ns
SPI inputs—Slave mode (external clock) input hold time
tNEIXKH
2—
ns
Notes:
1. Output specifications are measured from the 50 percent level of the rising edge of CLKIN to the 50 percent level of the signal.
Timings are measured at the pin.
2. The symbols for timing specifications follow the pattern of t(first two letters of functional block)(signal)(state)(reference)(state) for inputs
and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tNIKHOX symbolizes the internal timing
(NI) for the time SPICLK clock reference (K) goes to the high state (H) until outputs (O) are invalid (X).


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