MSC8156 Freescale Semiconductor, Inc, MSC8156 Datasheet - Page 3

• Manufacturer Part Number: MSC8156
• Description: Six-core Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Note: The arrow direction indicates master or slave.
Six DSP Cores at 1 GHz
32 Kbyte 32 Kbyte
L2 Cache / M2 Memory
ICache
JTAG
L1
DSP Core
512 Kbyte
SC3850
DCache
L1
Debug Support
OCE30
SC3850
TWB
Core
DPU
DDR Interface 64/32-bit
Four TDMs 256-Channels each
DFT/
IDFT
Figure 2. StarCore SC3850 DSP Subsystem Block Diagram
MSC8156 Six-Core Digital Signal Processor Data Sheet, Rev. 1
512 Kbyte L2 Cache / M2 Memory
128 bits master
bus to CLASS
MAPLE-B
IQBus
FFT/
IFFT
Instruction
32 Kbyte
Cache
Turbo/
Viterbi
P-bus 128 bit
Controller
Figure 1. MSC8156 Block Diagram
Xa-bus 64 bit
DDR
CLASS
Xb-bus 64-bit
DQBus
Through
(WTB)
Controller
Write-
Buffer
DDR
128 bits slave
bus from CLASS
DDR Interface 64/32-bit
SPI
SPI
QUICCEngine
Dual RISC Processors
Subsystem
Ethernet
RGMII RGMII
32 Kbyte
M3 Memory
1056 Kbyte
Cache
Data
Ethernet
SGMII
x2
RMU
High-Speed Serial Interface
SerDes 1
Interrupts
(WBB)
DMA
Write-
Buffer
Back
EPIC
RapidIO RapidIO
Serial
Serial
SerDes 2
DMA
Expr
PCI
Translation
Two SGMII
Protection
4x 3.125 Gbaud
PCI-EX 1x/2x/4x
4x 3.125 Gbaud
Two SGMII
Address
Task
Timer
Semaphores
Modules
Other
MMU
Concentrator
I/O-Interrupt
Interrupts
Boot ROM
Virtual
UART
Timers
Clocks
Reset
I
2
C
3