zl50418 Zarlink Semiconductor, zl50418 Datasheet - Page 105
zl50418
Manufacturer Part Number
zl50418
Description
Managed 16-port 10/100 M + 2-port 1 G Ethernet Switch
Manufacturer
Zarlink Semiconductor
Datasheet
1.ZL50418.pdf
(163 pages)
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14.10.11
CPU Address:h60a
Accessed by CPU and serial interface (R/W)
14.10.12
I
Accessed by CPU, serial interface and I
This register is used in unmanaged mode only. Before requesting that the ZL50418 updates the EEPROM device,
the correct checksum needs to be calculated and written into this checksum register. The checksum formula is
When the ZL50418 boots from the EEPROM the checksum is calculated and the value must be zero. If the
checksum is not zeroed the ZL50418 does not start and pin CHECKSUM_OK is set to zero.
14.11
14.11.1
CPU Address 700
Accessed by CPU and serial interface (R/W) (Default 7F)
2
C Address FF, CPU Address:h60b
Bit [1:0]:Reserved. Must be set to ‘0’ (Default 0)
Bit [2]: Support <= 1536 frames
Bit [7:3]:Reserved. Must be set to ‘0’ (Default 0)
(Group 7 Address) Port Mirroring Group
•
•
•
•
•
MIRROR1_SRC – Port Mirror source port
DEVICE Mode
CHECKSUM - EEPROM Checksum
Bit [7:0]:
Bit [4:0]:
Bit [5]:
Bit [6]:
Bit [7]:
7
0: <= 1518 bytes (<= 1522 bytes with VLAN tag) (Default)
1: <= 1536 bytes
6
(Default 0)
Source port to be mirrored. Use illegal port number to disable mirroring
1 – select ingress data
0 – select egress data
Reserved
Reserved must be set to '1'
5
I/O
4
Src Port Select
2
C (R/W)
Zarlink Semiconductor Inc.
FF
i
i = 0
2
ZL50418
C register = 0
105
0
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