MC68HC11KW1 Datasheet, PDF (216/238 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

SS
(input)
SCK (CPOL=0)
(output)
SCK (CPOL=1)
(output)
MISO
(input)
MOSI
(output)
SS is held high on master
(see note)
(see note)
1
4
5
6
7
MSB in
12
5
13
4
Bit 6……1
13
12
LSB in
10 (ref.)
11
10
11 (ref.)
Master MSB out
13
Bit 6……1
Master LSB out
12
Note: This first clock edge is generated internally, but is not seen at the SCK pin.
Figure A-10 SPI master timing (CPHA = 0)
A
SS
(input)
SCK (CPOL=0)
(output)
SCK (CPOL=1)
(output)
MISO
(input)
MOSI
(output)
SS is held high on master
1
13
5
4
12
5
4
MSB in
Bit 6……1
12
13
6
7
LSB in
(see note)
(see note)
10 (ref.)
11
10
11 (ref.)
Master MSB out
13
Bit 6……1
Master LSB out
12
Note: This last clock edge is generated internally, but is not seen at the SCK pin.
Figure A-11 SPI master timing (CPHA = 1)
A-12
ELECTRICAL SPECIFICATIONS
MC68HC11KW1