zl50405 Zarlink Semiconductor, zl50405 Datasheet - Page 28

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

16-bit Address
Index Reg 0
(Addr = 0)
8-bit Data Bus
Conf ig Data
(Addr = 2)
Registers
Inderect
Access
Internal
Reg
Figure 4 - Overview of the SSI Interface
3-bit Address Bus
8/16-bit Data Bus
CPU Frame Reg
Processor
CPU f rame
Address
(Addr = 3)
Receiv e
FIFO
Serial Out
Synchronous Serial Interface
CPU f rame
Zarlink Semiconductor Inc.
Transmit
FIFO
ZL50405
Serial In
16-bit Data Bus
Status Reg
Command/
(Addr = 4)
28
Strobe
I/O Data MUX
Interrupt
Interrupt Reg
INT CS W R
(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
Command 2
Command 2
(Addr = 7)
Transmit
Control
Control
FIFO
Reg
Data Sheet