MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 692

• Manufacturer Part Number: MPC555CME
• Description: KIT EVALUATION FOR MPC555
• Manufacturer: Freescale Semiconductor
• Type: Microcontrollerr

Specifications of MPC555CME

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Processor To Be Evaluated: MPC555
• Data Bus Width: 32 bit
• Interface Type: RS-232
• For Use With/related Products: MPC555
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

19.10.3 Emulation Operation
19.11 Disabling the CMF Module
MPC555
USER’S MANUAL
The CMF EEPROM supports externally mapped access for emulation operation.
When the SIU indicates an externally mapped access to the CMF EEPROM, the CMF
does not respond to the address, even though it may be a valid CMF access. Refer to
10.6 Dual Mapping of the Internal Flash EEPROM Array
The CMF EEPROM can be disabled when the internal memories are disabled. Dis-
abling the internal memories is controlled by the FLEN bit (bit 20) in the USIU internal
memory map register. The default reset enable/disable state of the internal memories
is user defined with the reset configuration word bit 20.
EHV is reset to 0 when the CMF is disabled and can not be set until the CMF is en-
abled, see section
the power used by the CMF is reduced.
/
MPC556
The reset configuration word from an erased CMF must be generat-
ed external to the CMF, i.e., from the default reset configuration word
off the external reset configuration word. See
tion.
Although the program and erase operations can be suspended (EHV
= 0) by disabling the internal memory, it is not recommended that pro-
gram or erase be suspended in this manner.
19.7.8 Controlling the Program/Erase Voltage
CDR MoneT FLASH EEPROM
Rev. 15 October 2000
CAUTION
NOTE
7.5 Reset Configura-
for details.
When disabled,
MOTOROLA
19-40