zl50408 Zarlink Semiconductor, zl50408 Datasheet - Page 25

• Manufacturer Part Number: zl50408
• Description: Managed 8-port 10/100m 1-port 10/100/1000m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

Index Reg 1
(Addr = 1)
16-bit Address
Index Reg 0
(Addr = 0)
8-bit Data Bus
Config Data
(Addr = 2)
Registers
Inderect
Internal
Access
Reg
Figure 4 - Overview of the SSI Interface
3-bit Address Bus
CPU Frame Reg
8/16-bit Data Bus
Processor
CPU frame
Address
Receive
(Addr = 3)
Zarlink Semiconductor Inc.
FIFO
Serial Out
Synchronous Serial Interface
CPU frame
Transmit
ZL50408
FIFO
25
Serial In
16-bit Data Bus
Command/
Status Reg
(Addr = 4)
Strobe
I/O Data MUX
Interrupt
INT CS W R
Interrupt
(Addr = 5)
Interrupt
Reg
8/16-bit Data Bus
Command 1
Receive
Control
FIFO
Command 1 Reg
(Addr = 6)
Command 1
Control
Transmit
Control
FIFO
Command 2
Command 2
(Addr = 7)
Transmit
Control
Control
Data Sheet
FIFO
Reg