mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 552

• Manufacturer Part Number: mc9s12vr48
• Description: S12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

SPI Electrical Specifications
In Figure K-4. the timing diagram for slave mode with transmission format CPHA=1 is depicted.
552
(CPOL = 1)
(CPOL = 0)
(OUTPUT)
NOTE: Not defined!
(INPUT)
(INPUT)
(INPUT)
(INPUT)
MOSI
MISO
(CPOL = 0)
(CPOL = 1)
(OUTPUT)
SCK
SCK
SS
(INPUT)
NOTE: Not defined!
(INPUT)
(INPUT)
(INPUT)
MISO
MOSI
SCK
SCK
10
7
SS
note
see
2
5
note
see
7
MSB IN
2
SLAVE MSB
MC9S12VR Family Reference Manual,
SLAVE
Preliminary - Subject to Change Without Notice
Figure K-4. SPI Slave Timing (CPHA=0)
Figure K-5. SPI Slave Timing (CPHA=1)
4
5
6
4
9
MSB IN
1
1
MSB OUT
6
4
4
BIT 6 . . . 1
BIT 6 . . . 1
9
12
12
11
BIT 6 . . . 1
BIT 6 . . . 1
12
12
11
Rev. 2.2
SLAVE LSB OUT
LSB IN
13
13
SLAVE LSB OUT
13
13
11
3
LSB IN
3
Freescale Semiconductor
see
note
8
8