zl50405 Zarlink Semiconductor, zl50405 Datasheet - Page 27

• Manufacturer Part Number: zl50405
• Description: Managed5-port 10/100 M Ethernet Switch
• Manufacturer: Zarlink Semiconductor

Index Reg 1
(Addr = 1,
8-bit only )
16-bit Address
Index Reg 0
(Addr = 0)
8-bit Data Bus
Conf ig Data
(Addr = 2)
Registers
Inderect
Access
Internal
Reg
Figure 3 - Overview of the 8/16-bit Interface
3-bit Address
8/16-bit Data Bus
CPU Frame Reg
Processor
CPU f rame
Address
(Addr = 3)
Receiv e
Zarlink Semiconductor Inc.
FIFO
Bus
CPU f rame
Transmit
ZL50405
FIFO
27
8/16-bit Data Bus
Status Reg
Command/
(Addr = 4)
I/O Data MUX
Interrupt Reg
(Addr = 5)
Interrupt
8/16-bit Data Bus
Command 1
Receiv e
Control
FIFO
Control Command
(Addr = 6)
1 Reg
Command 1
Transmit
Control
FIFO
Data Sheet
Command 2
Command 2
(Addr = 7)
Transmit
Control
Control
FIFO
Reg