Motorola MC9S12C-Family, MC9S12GC-Family Slave Mode, Input SCK, Input Miso, Slave MSB, Mosi

Device User Guide — 9S12C128DGV1/D V01.05

C.2 Slave Mode

In Figure C-3the timing diagram for slave mode with transmission format CPHA=0 is depicted.

SS
(INPUT)
		1
SCK
(CPOL = 0)
(INPUT)
SCK	2	4
(CPOL = 1)	10
(INPUT)
	7
MISO	see	SLAVE MSB
(OUTPUT)	note
	5	6
MOSI		MSB IN
(INPUT)

	12
4	12

9

BIT 6 . . . 1

BIT 6 . . . 1

	13	3
	13
			8
11	11
SLAVE LSB OUT			SEE
			NOTE
	LSB IN

NOTE: Not defined!

Figure C-3 SPI Slave Timing (CPHA=0)

In Figure C-4the timing diagram for slave mode with transmission format CPHA=1 is depicted.

121