参数资料
型号: MPC8569VTAUNLB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: RISC PROCESSOR, PBGA783
封装: 29 X 29 MM, 1 MM PITCH, PLASTIC, BGA-783
文件页数: 16/126页
文件大小: 2847K
代理商: MPC8569VTAUNLB
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
SPI Interface
Freescale Semiconductor
112
The following figure provides the AC test load for the SPI.
Figure 64. SPI AC Test Load
Figure 65 and Figure 66 represent the AC timing from Table 74. Note that although the specifications generally reference the
rising edge of the clock, these AC timing diagrams also apply when the falling edge is the active edge.
The following figure shows the SPI timing in slave mode (external clock).
Figure 65. SPI AC Timing in Slave Mode (External Clock) Diagram
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
Note:
1 The symbols used 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).
2. Output specifications are measured from the 50% level of the rising edge of CLKIN to the 50% level of the signal. Timings are
measured at the pin.
Table 74. SPI AC Timing Specifications (continued)
For recommended operating conditions, see Table 3
Parameter
Symbol1
Min
Max
Unit
Note
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
SPICLK (output)
tNEIXKH
tNEKHOV
Input Signals:
SPIMISO
(See Note)
Output Signals:
SPIMOSI
(See Note)
tNEIVKH
tNEKHOX
Note: The clock edge is selectable on SPI.
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