Datasheet

MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Electrical Characteristics
Freescale Semiconductor38
Figure 17. SPI Slave Timing (CPHA = 0)
Figure 18. SPI Slave Timing (CPHA = 1)
2.13 Flash Specifications
This section provides details about program/erase times and program-erase endurance for the Flash
memory.
Program and erase operations do not require any special power sources other than the normal V
DD
supply.
For more detailed information about program/erase operations, see Chapter 4, “Memory.”
SPSCK
(INPUT)
SPSCK
(INPUT)
MOSI
(INPUT)
MISO
(OUTPUT)
SS
(INPUT)
MSB IN
BIT 6 . . . 1
LSB IN
MSB OUT
SLAVE LSB OUT
BIT 6 . . . 1
(CPOL = 0)
(CPOL = 1)
NOTE:
SLAVE
SEE
NOTE
1. Not defined but normally MSB of character just received
1
2
3
4
5
6
7
8
9
10
11
12
4
11
12
10
SPSCK
(INPUT)
SPSCK
(INPUT)
MOSI
(INPUT)
MISO
(OUTPUT)
MSB IN
BIT 6 . . . 1
LSB IN
MSB OUT
SLAVE LSB OUT
BIT 6 . . . 1
SEE
(CPOL = 0)
(CPOL = 1)
SS
(INPUT)
NOTE:
SLAVE
NOTE
1. Not defined but normally LSB of character just received
1
2
3
4
5
6
7
8
9 10
11
12
4
11
12