参数资料
型号: MCIMX537CVV8C
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA529
封装: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, TEPBGA-529
文件页数: 139/172页
文件大小: 4562K
代理商: MCIMX537CVV8C
Electrical Characteristics
i.MX53 Applications Processors for Industrial Products, Rev. 3
Freescale Semiconductor
69
4.7.2.4
ECSPI Slave Mode Timing
Figure 33 depicts the timing of ECSPI in slave mode. Table 47 lists the ECSPI slave mode timing
characteristics.
4.7.3
Enhanced Serial Audio Interface (ESAI) Timing Parameters
The ESAI consists of independent transmitter and receiver sections, each section with its own clock
generator. Table 48 shows the interface timing values. The number field in the table refers to timing signals
CS9
MISO Hold Time
tHmiso
0—
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 47. ECSPI Slave Mode Timing Parameters
ID
Parameter
Symbol
Min
Max
Unit
CS1
SCLK Cycle Time–Read
SCLK Cycle Time–Write
tclk
15
40
—ns
CS2
SCLK High or Low Time–Read
SCLK High or Low Time–Write
tSW
7
20
—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 Setup Time
tSmosi
4—
ns
CS8
MOSI Hold Time
tHmosi
4—
ns
CS9
MISO Propagation Delay (CLOAD =20pF)
tPDmiso
417
ns
Table 48. Enhanced Serial Audio Interface (ESAI) Timing
No.
Characteristics12,3
Symbol
Expression3
Min
Max
Condition4 Unit
62
Clock cycle5
tSSICC
4
× T
c
4
× T
c
30.0
i ck
ns
63
Clock high period
For internal clock
—2
× T
c 9.0
6
ns
For external clock
2
× T
c
15
Table 46. ECSPI Master Mode Timing Parameters (continued)
ID
Parameter
Symbol
Min
Max
Unit
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