mc68hc912bc32 Freescale Semiconductor, Inc, mc68hc912bc32 Datasheet - Page 329

• Manufacturer Part Number: mc68hc912bc32
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Notes:
Notes:
CPOL
CPOL
CPOL
CPOL
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
1. SS output mode (DDS7 = 1, SSOE = 1).
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
OUTPUT
OUTPUT
1. SS output mode (DDS7 = 1, SSOE = 1).
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
INPUT
INPUT
MISO
MISO
MOSI
MOSI
SS
SS
SCK
SCK
SCK
SCK
=
=
=
=
(1)
(1)
0)
0
1
1
PORT DATA
10
2
6
10
2
MSB IN
MASTER MSB OUT
4
6
MSB OUT
MSB IN
(2)
1
Figure 19-13. SPI Master Timing Diagram
7
4
(2)
(2)
7
M68HC12B Family Data Sheet, Rev. 9.1
4
1
B) SPI Master Timing (CPHA = 1)
A) SPI Master Timing (CPHA = 0)
(2)
4
BIT 6
BIT 6
10
13
12
. . .
11
. . .
BIT 6
BIT 6
1
1
. . .
. . .
1
1
12
LSB IN
13
MASTER LSB OUT
LSB OUT
LSB IN
Serial Peripheral Interface (SPI) Timing
13
12
3
5
11
3
PORT DATA
5
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