MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 185

• 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

4.3.6 Compressed Address Format – Direct Branches
MPC555
USER’S MANUAL
The one pointer format is used for the conditional and unconditional direct branches.
Figure 4-9
branch has nineteen bits (the lower two-byte bits are ignored). This will yield an uncon-
ditional branch displacement limit of two Mbytes. The word pointer for the conditional
Base Address
Base Address
Base Address
Left/Right = X (don’t care) ( Left and Right are at the base address), Same_Line = 0
Left/Right = 1 (Right side is first at the base address), Same_Line = 1
Left/Right = 0 (Left side is first at the base address), Same_Line = 1
/
MPC556
illustrates the one pointer format. The word pointer for the unconditional
Figure 4-8 Examples of Instruction Layout in Memory
x+4
x+4
x+4
x
x
x
0
0
0
Word Pointer - Base Address
Word Pointer - Base Address
Word Pointer - Base Address
Rev. 15 October 2000
Compressed
Instruction
BURST BUFFER
:
19
19
19
1 1
X 0
0 1
22
22
22
Pointer
Left
Pointer
Left
Pointer
Left
26 27
26 27
26 27
Right
Pointer
Right
Pointer
Right
Pointer
MOTOROLA
31
31
31
4-9