MCF51QM128VHS FREESCALE [Freescale Semiconductor, Inc], MCF51QM128VHS Datasheet - Page 50
MCF51QM128VHS
Manufacturer Part Number
MCF51QM128VHS
Description
MCF51QM128
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MCF51QM128VHS.pdf
(71 pages)
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Communication interfaces
50
Num.
(CPOL
(CPOL
(CPOL
(CPOL
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
1
1. If configured as an output.
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
(INPUT)
SPSCK
1.If configured as output
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
(INPUT)
SPSCK
SPSCK
SPSCK
MISO
MOSI
MISO
MOSI
SS
SS
=
=
=
=
1
0)
1)
1
1)
0)
Symbol
PORT DATA
f
op
8
Frequency of operation
Description
3
6
3
MASTER MSB OUT
MSB IN
Figure 16. SPI master mode timing (CPHA=0)
Figure 17. SPI master mode timing (CPHA=1)
5
6
MSB OUT
MSB IN
2
7
MCF51QM128 Data Sheet, Rev. 6, 01/2012.
5
2
Table 33. SPI slave mode timing
7
2
2
5
2
Table continues on the next page...
2
5
BIT 6 . . . 1
BIT 6 . . . 1
8
10
10
BIT 6 . . . 1
9
BIT 6 . . . 1
10
10
11
LSB IN
11
MASTER LSB OUT
LSB OUT
Min.
0
LSB IN
11
11
f
Max.
BUS
4
/4
Freescale Semiconductor, Inc.
9
4
PORT DATA
Unit
Hz
as defined
in
f
Comment
bus clock
BUS
Table
is the
8.
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