參數(shù)資料
型號(hào)： MK51DX256ZCMC10R
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PBGA121
封裝： 8 X 8 MM, MAPBGA-121
文件頁(yè)數(shù)： 51/72頁(yè)
文件大?。?/td> 1005K
代理商： MK51DX256ZCMC10R
Table 43. Master mode DSPI timing (low-speed mode) (continued)
Num
Description
Min.
Max.
Unit
Notes
DS4
DSPI_SCK to DSPI_PCSn invalid delay
(tBUS x 2)
4
—
ns
DS5
DSPI_SCK to DSPI_SOUT valid
—
10
ns
DS6
DSPI_SCK to DSPI_SOUT invalid
-2
—
ns
DS7
DSPI_SIN to DSPI_SCK input setup
15
—
ns
DS8
DSPI_SCK to DSPI_SIN input hold
0
—
ns
1. The DSPI module can operate across the entire operating voltage for the processor, but to run across the full voltage
range the maximum frequency of operation is reduced.
2. The delay is programmable in SPIx_CTARn[PSSCK] and SPIx_CTARn[CSSCK].
3. The delay is programmable in SPIx_CTARn[PASC] and SPIx_CTARn[ASC].
DS3
DS4
DS1
DS2
DS7
DS8
First data
Last data
DS5
First data
Data
Last data
DS6
Data
DSPI_PCSn
DSPI_SCK
(CPOL=0)
DSPI_SIN
DSPI_SOUT
Figure 21. DSPI classic SPI timing — master mode
Table 44. Slave mode DSPI timing (low-speed mode)
Num
Description
Min.
Max.
Unit
Operating voltage
1.71
3.6
V
Frequency of operation
—
6.25
MHz
DS9
DSPI_SCK input cycle time
8 x tBUS
—
ns
DS10
DSPI_SCK input high/low time
(tSCK/2) - 4
(tSCK/2) + 4
ns
DS11
DSPI_SCK to DSPI_SOUT valid
—
20
ns
DS12
DSPI_SCK to DSPI_SOUT invalid
0
—
ns
DS13
DSPI_SIN to DSPI_SCK input setup
5
—
ns
DS14
DSPI_SCK to DSPI_SIN input hold
15
—
ns
DS15
DSPI_SS active to DSPI_SOUT driven
—
19
ns
DS16
DSPI_SS inactive to DSPI_SOUT not driven
—
19
ns
Peripheral operating requirements and behaviors
K51 Sub-Family Data Sheet Data Sheet, Rev. 5, 5/2011.
Freescale Semiconductor, Inc.
Preliminary
55
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