Burst Buffer Controller 2 Module
MPC561/MPC563 Reference Manual, Rev. 1.2
4-2
Freescale Semiconductor
Figure 4-1. BBC Module Block Diagram
4.1
Key Features
4.1.1
BIU Key Features
•
Supports pipelined and burstable and single accesses to internal and external memories
•
Supports the decoupled interface with the RCPU instruction unit
IMPU
Registers
U-bus
Slave
Machine
Address
Buffer
To
Addresses
IMPU
DECRAM
2 Kbytes
D
e
co
mp
re
sso
r
C
o
n
tro
l
L
o
g
ic
ICDU
BTB
R
C
PU
C
o
re
(Se
q
u
e
n
ce
r)
Data
Buffer
1 x 32
Address and Data
Buffers Control
Pipelined and
Burstable
Access Control
U-bus
Master
Machine
BIU
BBC
U
-b
u
s
U-bus Controls
L/U Interface
SIU Interface
32
U-bus Data
Compress/
Uncompress
Data
Compression
Address
Sequencer
Address
30
32
32
32
32
/
Summary of Contents for MPC561
Page 84: ...MPC561 MPC563 Reference Manual Rev 1 2 lxxxiv Freescale Semiconductor...
Page 144: ...Signal Descriptions MPC561 MPC563 Reference Manual Rev 1 2 2 46 Freescale Semiconductor...
Page 206: ...Central Processing Unit MPC561 MPC563 Reference Manual Rev 1 2 3 62 Freescale Semiconductor...
Page 302: ...Reset MPC561 MPC563 Reference Manual Rev 1 2 7 14 Freescale Semiconductor...
Page 854: ...Time Processor Unit 3 MPC561 MPC563 Reference Manual Rev 1 2 19 24 Freescale Semiconductor...
Page 968: ...Development Support MPC561 MPC563 Reference Manual Rev 1 2 23 54 Freescale Semiconductor...
Page 1144: ...Internal Memory Map MPC561 MPC563 Reference Manual Rev 1 2 B 34 Freescale Semiconductor...
Page 1212: ...TPU3 ROM Functions MPC561 MPC563 Reference Manual Rev 1 2 D 60 Freescale Semiconductor...
Page 1216: ...Memory Access Timing MPC561 MPC563 Reference Manual Rev 1 2 E 4 Freescale Semiconductor...