參數資料
型號: MCIMX537CVV8C
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA529
封裝: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, TEPBGA-529
文件頁數: 138/172頁
文件大?。?/td> 4562K
代理商: MCIMX537CVV8C
i.MX53 Applications Processors for Industrial Products, Rev. 3
68
Freescale Semiconductor
Electrical Characteristics
4.7.2.2
CSPI Slave Mode Timing
Figure 33 depicts the timing of CSPI in slave mode. Timing characteristics were not available at the time
of publication.
Figure 33. CSPI/ECSPI Slave Mode Timing Diagram
4.7.2.3
ECSPI Master Mode Timing
Figure 32 depicts the timing of ECSPI in master mode. Table 46 lists the ECSPI master mode timing
characteristics.
CS9
MISO Hold Time
tHmiso
5—
ns
CS10
RDY to SSx Time2
tSDRY
5—
ns
1 See specific I/O AC parameters Section 4.5, “I/O AC Parameters
2 SPI_RDY is sampled internally by ipg_clk and is asynchronous to all other CSPI signals.
Table 46. ECSPI Master Mode Timing Parameters
ID
Parameter
Symbol
Min
Max
Unit
CS1
SCLK Cycle Time–Read
SCLK Cycle Time–Write
tclk
30
15
—ns
CS2
SCLK High or Low Time–Read
SCLK High or Low Time–Write
tSW
14
7
—ns
CS3
SCLK Rise or Fall1
tRISE/FALL
——
ns
CS4
SSx pulse width
tCSLH
Half SCLK period
ns
CS5
SSx Lead Time (CS setup time)
tSCS
5—
ns
CS6
SSx Lag Time (CS hold time)
tHCS
5—
ns
CS7
MOSI Propagation Delay (CLOAD =20pF)
tPDmosi
-0.5
2.5
ns
CS8
MISO Setup Time
tSmiso
8.5
ns
Table 45. CSPI Master Mode Timing Parameters (continued)
ID
Parameter
Symbol
Min
Max
Unit
CS1
CS7
CS8
CS2
CS4
CS6
CS5
CS9
SCLK
SSx
MISO
MOSI
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