參數(shù)資料
型號: PPC440EPx-SpAfffTs
廠商: Applied Micro Circuits Corp.
英文描述: PowerPC 440EPx Embedded Processor
中文描述: 嵌入式處理器的PowerPC 440EPx
文件頁數(shù): 6/94頁
文件大?。?/td> 738K
代理商: PPC440EPX-SPAFFFTS
440EPx – PPC440EPx Embedded Processor
Preliminary Data Sheet
6
AMCC Proprietary
Revision 1.26 – October 15, 2007
Block Diagram
Figure 2. PPC440EPx Functional Block Diagram
Processor
DCR Bus
32KB
I-Cache
On-chip Peripheral Bus (OPB 0)
GPIO
IIC
x2
UART
x4
PLB (PLB4—128 bits)
DDR2/1
SDRAM
External
Peripheral
Controller
Controller
Clock
Control,
Reset
Power
Mgmt
JTAG
Trace
Timers
MMU
- 30-bit addr
- 32/16-bit data
- 14-bit addr
- 64/32-bit data
NAND
Flash
Controller
UIC
32KB
D-Cache
PPC440
PCI
Bridge
MAL
Ethernet
10/100/1000
x2
DCRs
GPT
ZMII
83MHz max
66MHz max
- 32 bits
- 6 devices
333MHz max
data rate
PLB (PLB3—64 bits)
PLB-PLB
Bridges
SPI
USB 2.0
FPU
External
Interrupts
DMA
Controller
OPB
Bridge
BSC
10
DMA
Controller
OPB
Bridge
2.0 PHY
D+/D
OPB 1
Security
(optional)
SRAM
16KB
Device
Host
RGMII
OPB 2
OPB
Bridge
OPB
Bridge
The PPC440EPx is a system on a chip (SOC) using IBM CoreConnect
Bus
Architecture.
Address Maps
The PPC440EPx incorporates two address maps. The first is a fixed processor System Memory Address Map.
This address map defines the possible contents of various address regions which the processor can access. The
second is the DCR Address Map for Device Configuration Registers (DCRs). The DCRs are accessed by software
running on the PPC440EPx processor through the use of
mtdcr
and
mfdcr
instructions.
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