MC68HC812A4 Datasheet, PDF (338/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Electrical Characteristics
SS
INPUT
SCK
CPOL = 0
INPUT
SCK
CPOL = 1
INPUT
MISO
OUTPUT
1
13
2
4
4
12
8
SLAVE MSB OUT
10
BIT 6 . . . 1
MOSI
INPUT
6
7
MSB IN
BIT 6 . . . 1
Note: Not defined but normally MSB of character just received
12 3
13
11
11
SLAVE LSB OUT
LSB IN
A) SPI Slave Timing (CPHA = 0)
5
9
SEE
NOTE
SS
INPUT
SCK
CPOL = 0
INPUT
SCK
CPOL = 1
INPUT
MISO
OUTPUT
MOSI
INPUT
1
2
13
4
4
12
SEE
NOTE
8
10
SLAVE
MSB OUT
6
7
MSB IN
11
BIT 6 . . . 1
BIT 6 . . . 1
5
3
12
13
9
SLAVE LSB OUT
LSB IN
Note: Not defined but normally LSB of character just received
B) SPI Slave Timing (CPHA = 1)
Figure 18-9. SPI Timing Diagram (2 of 2)
MC68HC812A4 — Rev. 3.0
338
Electrical Characteristics
Advance Information
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