MPC2605ZP83 Freescale, MPC2605ZP83 Datasheet - Page 20

• Manufacturer Part Number: MPC2605ZP83
• Manufacturer: Freescale

Specifications of MPC2605ZP83

• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

MPC2605/D
READ MISS (NORMAL BUS MODE)
depth with a read miss followed by a read hit.
a 3-1-1-1 response from memory. AACK for the
second access is not driven true until the cycle after
20
DH0 – DH31,
DL0 – DL31
CPU DBG
L2 CLAIM
Figure 3 is an illustration of the MPC2605 pipeline
For illustration purposes, the read miss is shown as
A0 – A31
CPU BG
AACK
TBST
DBB
CLK
TS
TA
LEGEND
Signal driven to the MPC2605
Signal driven by the MPC2605
High-Z
Integrated Secondary Cache for Microprocessors
1
Freescale Semiconductor, Inc.
Figure 3. Read Miss Followed by a Burst Hit
For More Information On This Product,
That Implement PowerPC Architecture
2
A
Go to: www.freescale.com
A1
3
A2
4
the fourth TA of the read miss. This is because the
MPC2605 is not in control of TA for the first access
and must, therefore, wait until the first access' data
tenure is complete before it can drive AACK true for
the read hit.
A3
5
A4
6
B
7
B1
8
B2
9
B3
10
MOTOROLA
B4
11
12