Motorola MC9S12GC-Family ユーザーズマニュアル

Motorola

Device User Guide — 9S12C128DGV1/D V01.05

121

C.2 Slave Mode

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

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

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

SCK

(INPUT)

SCK

(INPUT)

MOSI

(INPUT)

MISO

(OUTPUT)

SS

(INPUT)

1

9

5

6

MSB IN

BIT 6 . . . 1

LSB IN

SLAVE MSB

SLAVE LSB OUT

BIT 6 . . . 1

11

4

4

2

7

(CPOL

=

0)

(CPOL

=

1)

3

13

NOTE: Not defined!

12

12

11

SEE

13

NOTE

8

10

see

note