Intel 81342 Developer's Manual page 48

F i g u r e 2
F i g u r e 2 . D u a l - C o r e I n t e l
72-Bit
I/F
PCI- X or PCI - E
PCI-E
®
I n t e l 8 1 3 4 1 a n d 8 1 3 4 2 I / O P r o c e s s o r s
D e v e l o p e r ' s M a n u a l
4 8
i s a b l o c k d i a g r a m o f t h e 8 1 3 4 2 2 - c o r e .
®
8 1 3 4 2 I / O P r o c e s s o r F u n c t i o n a l B l o c k D i a g r a m
Intel
XScale®
Processor
( coreID = 1H)
512K L 2 Cache
Bridge
Host Interface
( ATU)
Host Interface
( ATU)
Intel® 81342
I/O Processor
I n t e l
Timers Timers
Interrupt Interrupt
Controller Controller
Inter- Core Inter- Core
Interrupt Interrupt
128- Bit North Internal Bus
IMU
Multi - Port
DDR II SDRAM
Memory Controller
Three
Application
DMA
Channels
128- Bit South Internal Bus
PBI
SMBus
Unit
Unit
( Flash)
16- Bit I/F SMBus
®
8 1 3 4 1 a n d 8 1 3 4 2 — I n t r o d u c t i o n
Intel
XScale®
Processor
( coreID = 0H)
512K L 2 Cache
Multi - Port
SRAM
Memory
Controller
APB
Three I 2 C
Two
Bus
UARTs
Interface
2
I C Bus Serial Bus
B6170-01
D e c e m b e r 2 0 0 7
O r d e r N u m b e r : 3 1 5 0 3 7 - 0 0 2 U S