MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 388

• 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

11.3 L2U Block Diagram
11.4 Modes Of Operation
MPC555
USER’S MANUAL
Figure 11-1
The L2U Module can operate in the following modes:
• Supports a default global entry for memory space not covered by other regions:
• Interrupt generated upon:
• The PowerPC MSR[DR] bit (data relocate) controls DMPU protection on/off op-
• Programming is done using PowerPC’s mtspr/mfspr instructions to/from imple-
• No protection for accesses to the SRAM module on the L-bus (SRAM has its own
• Normal Mode
• Reset Operation
• Factory Test Mode
• Peripheral Mode
/
eration
mentation specific special purpose registers.
protection options)
— Default access protection
— Default guarded attribute
— Access violation
— Load from guarded region
— Write to read-only region
MPC556
Address
Decode
shows a block diagram of the L-bus to U-bus interface.
Figure 11-1 L2U Bus Interface Block Diagram
L-BUS TO U-BUS INTERFACE (L2U)
L-bus Interface
U-bus Interface
Rev. 15 October 2000
Reservation
Control
U-bus
L-bus
DMPU
MOTOROLA
11-2