Rainbow Electronics AT75C220 - Manual (Page 6)

AT75C220
6
Figure 2. AT75C220 Block Diagram
IRQ
Controller
SPI
Timer/Counter 0
Timer/Counter 1
Timer/Counter 2
AMBA Bridge
Peripheral Data
Controller
OakDSPCore
DSP Subsystem
ARM7TDMI Core
Embedded
ICE
APB
ASB
USART A
USART B
External Bus
Interface
SDRAM
Controller
SRAM
Controller
Clocks
Reset
Boot ROM
PIO A
PIO B
JTAG
Watchdog
Timer
Dual Ethernet
10/100 Mbps
MAC Interface