mc68hc912bc32 Freescale Semiconductor, Inc, mc68hc912bc32 Datasheet - Page 330

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

Electrical Specifications
330
Note: Not defined but normally MSB of character just received
CPOL
CPOL
CPOL
OUTPUT
CPOL
Note: Not defined but normally LSB of character just received
OUTPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
MOSI
MISO
INPUT
INPUT
MOSI
MISO
SCK
SCK
SCK
SCK
=
=
=
=
SS
SS
0
1
1
0
NOTE
SEE
8
SLAVE
2
6
8
2
MSB IN
SLAVE
4
6
10
MSB IN
MSB OUT
1
7
Figure 19-14. SPI Slave Timing Diagram
4
MSB OUT
7
M68HC12B Family Data Sheet, Rev. 9.1
4
1
A) SPI Slave Timing (CPHA = 0)
B) SPI Slave Timing (CPHA = 1)
4
BIT 6
BIT 6
10
13
12
. . .
11
BIT 6
. . .
BIT 6
1
1
. . .
. . .
13
12
1
1
11
SLAVE LSB OUT
LSB IN
12
SLAVE LSB OUT
13
3
LSB IN
12
13
11
3
NOTE
5
SEE
9
Freescale Semiconductor
5
9