mpc8250 Freescale Semiconductor, Inc, mpc8250 Datasheet - Page 2

• Manufacturer Part Number: mpc8250
• Description: Mpc8250 Powerquicc Ii Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Features
Figure 1
1
The major features of the MPC8250 are as follows:
2
•
•
Parallel I/O
Generators
Baud Rate
Features
Footprint-compatible with the MPC8260
Dual-issue integer core
— A core version of the EC603e microprocessor
— System core microprocessor supporting frequencies of 150–200 MHz
— Separate 16-Kbyte data and instruction caches:
— PowerPC architecture-compliant memory management unit (MMU)
— Common on-chip processor (COP) test interface
— High-performance (4.4–5.1 SPEC95 benchmark at 200 MHz; 280 Dhrystones MIPS at
Timers
shows the block diagram for the MPC8250.
MCC2
– Four-way set associative
– Physically addressed
– LRU replacement algorithm
200 MHz)
G2 Core
Communication Processor Module (CPM)
FCC1
4 TDM Ports
Interrupt
Controller
32-bit RISC Microcontroller
FCC2
and Program ROM
FCC3
Time Slot Assigner
16 Kbytes
16 Kbytes
D-Cache
I-Cache
D-MMU
I-MMU
Dual-Port RAM
MPC8250 Hardware Specifications, Rev. 1
SCC1
32 Kbytes
Figure 1. MPC8250 Block Diagram
SCC2
SCC3
3 MII
Ports
Serial Interface
4 Virtual
DMAs
Serial
IDMAs
SCC4
SMC1
System Interface Unit
SMC2
Memory Controller
Bus Interface Unit
System Functions
Clock Counter
60x-to-Local
60x-to-PCI
Bridge
Bridge
(SIU)
Non-Multiplexed
SPI
I/O
I
2
C
Freescale Semiconductor
60x Bus
32 bits, up to 66 MHz
32 bits, up to 66 MHz
Local Bus
PCI Bus
or