zl50411 Zarlink Semiconductor, zl50411 Datasheet - Page 70

• Manufacturer Part Number: zl50411
• Description: Managed 9-port Fast Ethernet Switch With Private Vlan
• Manufacturer: Zarlink Semiconductor

DATA_REG
Reflects the value of the indirect access register set by INDEX_REG
Bit #
[7:0]
CPU_FRAME_REG
Used to transmit/receive Ethernet frames via an 8-byte FIFO to/from
the CPU MAC.
This register (FIFO) is disabled in SSI+MII CPU interface mode.
Bit #
16-bit or serial CPU Interface
[15:0]
8-bit CPU Interface
[7:0]
DATA
Name
Name
CPU_FRAME
CPU_FRAME
Type
R/W
Type
W
R
W
R
Register Table 4 - 3, CPU_FRAME_REG
Register Table 3 - 2, DATA_REG
Zarlink Semiconductor Inc.
Description
8-bit indirect register data
Description
Send Ethernet frame to CPU MAC. Bits [7:0] is even byte, [15:8] is
odd byte.
Data sequence specified in Processor Interface application note,
ZLAN-26.
Receive Ethernet frame from CPU MAC. Bits [7:0] is even byte,
[15:8] is odd byte.
Data sequence specified in Processor Interface application note,
ZLAN-26.
Send Ethernet frame to CPU MAC
Data sequence specified in Processor Interface application note,
ZLAN-26.
Receive Ethernet frame from CPU MAC
Data sequence specified in Processor Interface application note,
ZLAN-26.
ZL50411
70
Default: 00
Default: 00
8/16-bit
Width
Width
8-bit
Access
Access
R/W
R/W
Data Sheet
Address
Address
2
3