MC68HC05C8A Datasheet, PDF (96/116 Pages) Motorola, Inc – Microcontrollers

Electrical Specifications
SS
(INPUT)
SS PIN OF MASTER HELD HIGH.
SCK (CPOL = 0)
(OUTPUT)
NOTE
1
5
4
SCK (CPOL = 1)
(OUTPUT)
NOTE
5
4
12
12
MISO
(INPUT)
MSB IN
BITS 6–1
10 (REF)
MOSI
(OUTPUT)
11
MASTER MSB OUT
10
BITS 6–1
13
Note: This first clock edge is generated internally, but is not seen at the SCK pin.
a) SPI Master Timing (CPHA = 0)
13
12
13
6
7
LSB IN
11 (REF)
MASTER LSB OUT
12
SS
(INPUT)
SCK (CPOL = 0)
(OUTPUT)
SS PIN OF MASTER HELD HIGH.
1
5
4
SCK (CPOL = 1)
(OUTPUT)
5
4
MISO
(INPUT)
10 (REF)
MOSI
(OUTPUT)
13
MSB IN
11
MASTER MSB OUT
13
12
12
13
BITS 6–1
10
BITS 6–1
6
7
LSB IN
11
MASTER LSB OUT
12
Note: This last clock edge is generated internally, but is not seen at the SCK pin.
b) SPI Master Timing (CPHA = 1)
Figure 13-9. SPI Master Timing Diagram
NOTE
NOTE
MC68HC05C8A • MC68HCL05C8A • MC68HSC05C8A Data Sheet, Rev. 5.1
96
Freescale Semiconductor