LFDAS12XSDT Freescale Semiconductor, LFDAS12XSDT Datasheet - Page 697
LFDAS12XSDT
Manufacturer Part Number
LFDAS12XSDT
Description
HARDWARE MC9S12XS 52-PIN
Manufacturer
Freescale Semiconductor
Datasheet
1.LFDAS12XSCT.pdf
(738 pages)
Specifications of LFDAS12XSDT
Module/board Type
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
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In
In
1
Freescale Semiconductor
Num
0.5 t
Figure A-10
Table A-28
10
11
12
13
(CPOL = 0)
(CPOL = 1)
1
1
2
3
4
5
6
7
8
9
(Output)
bus
NOTE: Not defined
(Input)
(Input)
(Input)
(Input)
MISO
MOSI
SCK
SCK
added due to internal synchronization delay
SS
C
D
D
D
D
D
D
D
D
D
D
D
D
D
D
the timing characteristics for slave mode are listed.
SCK frequency
SCK period
Enable lead time
Enable lag time
Clock (SCK) high or low time
Data setup time (inputs)
Data hold time (inputs)
Slave access time (time to data active)
Slave MISO disable time
Data valid after SCK edge
Data valid after SS fall
Data hold time (outputs)
Rise and fall time inputs
Rise and fall time outputs
the timing diagram for slave mode with transmission format CPHA = 1 is depicted.
Note
See
7
2
Characteristic
Slave
4
5
Table A-28. SPI Slave Mode Timing Characteristics
9
MSB IN
1
Figure A-10. SPI Slave Timing (CPHA = 1)
MSB OUT
S12XS Family Reference Manual, Rev. 1.11
6
4
12
12
11
Bit MSB-1 . . . 1
Bit MSB-1 . . . 1
Symbol
t
t
t
wsck
f
t
t
lead
t
t
vsck
t
t
t
sck
sck
t
vss
t
lag
t
dis
su
ho
rfo
hi
rfi
a
Min
DC
20
—
—
—
—
—
—
4
4
4
4
8
8
13
13
Slave LSB OUT
3
LSB IN
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
29 + 0.5 ⋅ t
29 + 0.5 ⋅ t
8
Electrical Characteristics
Max
1/4
20
22
—
—
—
—
—
—
∞
8
8
bus
bus
1
1
Unit
f
t
t
t
t
bus
bus
bus
bus
bus
ns
ns
ns
ns
ns
ns
ns
ns
ns
697
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