K20P104M100SF2 Freescale Semiconductor, K20P104M100SF2 Datasheet - Page 47

• Manufacturer Part Number: K20P104M100SF2
• Description: K20 Sub-Family
• Manufacturer: Freescale Semiconductor

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1. Operating in pass-through mode: regulator output voltage equal to the input voltage minus a drop proportional to I
6.8.4 DSPI Switching Specifications for Low-speed Operation
The DMA Serial Peripheral Interface (DSPI) provides a synchronous serial bus with
master and slave operations. Many of the transfer attributes are programmable. The tables
below provides DSPI timing characteristics for classic SPI timing modes. Refer to the
DSPI chapter of the Reference Manual for information on the modified transfer formats
used for communicating with slower peripheral devices.
1. The DSPI module can operate across the entire operating voltage for the processor, but to run across the full voltage
Freescale Semiconductor, Inc.
Symbol
C
range the maximum frequency of operation is reduced.
ESR
I
Num
DS1
DS2
DS3
DS4
DS5
DS6
DS7
DS8
LIM
OUT
External output capacitor
External output capacitor equivalent series re‐
sistance
Current limitation threshold
Description
Table 35. USB voltage regulator electrical specifications (continued)
Operating voltage
Frequency of operation
DSPI_SCK output cycle time
DSPI_SCK output high/low time
DSPI_PCSn to DSPI_SCK output valid
DSPI_SCK to DSPI_PCSn output hold
DSPI_SCK to DSPI_SOUT valid
DSPI_SCK to DSPI_SOUT invalid
DSPI_SIN to DSPI_SCK input setup
DSPI_SCK to DSPI_SIN input hold
Table 36. Master Mode DSPI Timing (Low-speed mode)
K20 Sub-Family Data Sheet Data Sheet, Rev. 1, 11/2010.
Description
Preliminary
1.76
Min.
185
1
(t
(t
(t
4 x t
SCK
SCK
SCK
Peripheral operating requirements and behaviors
1.71
Min.
15
—
—
-2
0
/2) - 4
/2) - 4
/2) - 4
BCLK
Typ.
290
2.2
—
(t
SCK/2)
Max.
12.5
3.6
10
—
—
—
—
—
—
Max.
8.16
100
395
+ 4
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
V
Unit
mΩ
mA
μF
Notes
Load
Notes
1
.
47
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