MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 878

• 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

MPC555 / MPC556
USER’S MANUAL
External Bus->
External Bus->
External Bus->
3 concecutive
2 concecutive
NOTES:
Load/Store ->
Load/Store ->
Load/Store ->
Load/Store ->
Fetch-> cmf
Fetch-> cmf
Fetch-> cmf
Fetch-> cmf
accesses &
IMB 16 bits
Instruction
Instruction
Instruction
Instruction
new page
new page
new page
new page
accesses
1. N is the number of clocks from external address valid until external data valid in the case of read cycle. In the case
2. Core instruction fetch data bus is usualy the UBUS
3. 8 clocks are dedicated for external access, and internal accesses are denied.
4. Assuming the external master immediately retries
LEGEND
Shaded areas = address phase ; Non-shaded areas = data phase
Access
Ebus
of zero wait states, N = 2.
IMB
IMB
IMB
cmf
cmf
C,U
C,U
1
L
L
L
L
E
E
E
C,U
C,U
U
U
U
U
U
U
C
U
2
2
retry
IMB
C,U
IMB
IMB
E
U
U
U
U
U
C
3
Table F-2 Timing Examples
IMB
IMB
IMB
IMB
E
E
U
-
4
3
4
MEMORY ACCESS TIMING
Rev. 15 October 2000
IMB
U
U
U
U
E
5
-
U
U
U
6
L
L
L
L
-
# Clock
E
U
7
-
E
8
-
9
-
10
-
11
-
12
U
13
U
MOTOROLA
Total
11
6
6
2
1
1
2
6
6
6
5
7
2
8
1
F-2