mcf51em256 Freescale Semiconductor, Inc, mcf51em256 Datasheet - Page 43

• Manufacturer Part Number: mcf51em256
• Description: Microcontrollers Covers Mcf51em256 Mcf51em128
• Manufacturer: Freescale Semiconductor, Inc

2.15
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
For more detailed information about program/erase operations, see the Memory section of the
MCF51EM256 Series ColdFire Microcontroller Reference Manual.
Freescale Semiconductor
(CPOL = 1)
(OUTPUT)
(CPOL = 0)
(INPUT)
Flash Specifications
(INPUT)
(INPUT)
(INPUT)
NOTE:
MOSI
(OUTPUT)
(CPOL = 0)
(CPOL = 1)
MISO
SCK
SCK
(INPUT)
(INPUT)
(INPUT)
(INPUT)
NOTE:
1. Not defined but normally MSB of character just received
SS
MISO
MOSI
SCK
SCK
1. Not defined but normally LSB of character just received
SS
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.3
SLAVE
NOTE
2
SEE
6
8
8
MSB IN
Preliminary—Subject to Change Without Notice
2
SLAVE
Figure 21. SPI Slave Timing (CPHA = 0)
Figure 22. SPI Slave Timing (CPHA = 1)
MSB OUT
5
4
6
7
11
MSB IN
4
5
2
MSB OUT
2
7
5
4
5
4
BIT 6 . . . 1
BIT 6 . . . 1
11
BIT 6 . . . 1
12
BIT 6 . . . 1
SLAVE LSB OUT
LSB IN
SLAVE LSB OUT
3
12
LSB IN
3
Electrical Characteristics
NOTE
SEE
9
DD
9
supply.
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