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AR8327-AL1A-R 데이터시트(PDF) 69 Page - List of Unclassifed Manufacturers

부품명 AR8327-AL1A-R
상세설명  Seven-port Gigabit Ethernet Switch
PDF  394 Pages
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제조업체  ETC2 [List of Unclassifed Manufacturers]
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AR8327-AL1A-R 데이터시트(HTML) 69 Page - List of Unclassifed Manufacturers

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Atheros Communications, Inc.
AR8327/AR8327N Seven-port Gigabit Ethernet
Switch
•
69
Table 3-14 summarizes the MIB Function Register 1.
3.2.12
INTERFACE_HIGH_ADDR
Address 0x0038
HW RST
Table 3-15 summarizes the INTERFACE_HIGH_ADDR Register.
Table 3-14.
MIB Function Register 1
Bit
R/W
Inital
Value
Mnemonic
Description
31:27
R/O
0
RESERVED
26:24
R/W
0
MIB_FUNC
3'b000: no operation;
3'b001: flush all counters for all ports;
3'b010: reserved for future.
3'b011: capture all counters for all ports
and auto-cast to cpu port;
3'b1xx:reserved for future.
23:21
R/O
0
RESERVED
20
R/W
0
MIB_CPU_KEEP
1’b1: Does not clear MIB counter after
it has been read.
1’b0: clear MIB counter to zero after
read
19:18
R/O
0
RESERVED
17
R/W SC
0
MIB_BUSY
1'b1: mib module is busy now, and
can't access another new command.
1'b0: mib module is empty now, and
can access new command.
16
R/W
1’b0
MIB_AT_HALF_EN
MIB auto-cast enable due to half flow.
If this bit is set to 1'b1, MIB would be
auto-cast when any counter's highest
bit count to 1'b1.
15:0
R/W
15’h0
MIB_TIMER
MIB auto-cast timer. If these bits are set
to zero, MIB won't auto-cast due to
timer time out. The time is times of
8.4ms, recommended value is 'h100.
Table 3-15.
MInterface High Address Register
Bit
R/W
Inital
Value
Mnemonic
Description
31
R/O
0
SPI_SPEED
1'b1: fast speed for test
1'b0: normal operation mode
30:28
R/W
0
RESERVED
27:24
R/W
0Xf
RELOAD_TIMER
Reload EEPROM timer.
If the EEPROM can't be read out, EEPROM
should be reload when the timer done. It's
times 8ms. If these bits are set to zero,
needn't reload EEPROM.
23:20
R/W
0
RESERVED



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