參數(shù)資料
型號(hào)： KSZ8995MAI
廠商： Micrel Inc
文件頁(yè)數(shù)： 54/89頁(yè)
文件大?。?/td> 0K
描述： IC SWITCH 5-PORT 10/100 128PQFP
標(biāo)準(zhǔn)包裝： 66
系列： *
類(lèi)型： *
應(yīng)用： *
安裝類(lèi)型： 表面貼裝
封裝/外殼： 128-BFQFP
供應(yīng)商設(shè)備封裝： 128-PQFP（14x20）
包裝： 托盤(pán)
產(chǎn)品目錄頁(yè)面： 1081 (CN2011-ZH PDF)
配用： 576-1607-ND - BOARD EVAL EXPERIMENT KSZ8995MA
其它名稱： 576-2126
KSZ8995MAI-ND
Micrel, Inc.
KS8995MA/FQ
October 2011
58
M9999-102611-3.0
Port Registers (Continued)
Address
Name
Description
Mode
Default
Register 27 (0x1B): Port 1 Control 11
Register 43 (0x2B): Port 2 Control 11
Register 59 (0x3B): Port 3 Control 11
Register 75 (0x4B): Port 4 Control 11
Register 91 (0x5B): Port 5 Control 11
3
High Priority Receive
Rate Flow Control
Enable
1, flow control may be asserted if the port’s high priority
receive rate is exceeded. To use this, differential receive rate
control must be on.
0, flow control is not asserted if the port’s high priority receive
rate is exceeded.
R/W
0
2
Transmit Differential
Priority Rate Control
1, transmit rate control on both high and low priority packets
based on the rate counters defined by the high and low priority
packets respectively.
0, transmit rate control on any packets. The rate counters
defined in low priority will be used.
R/W
0
1
Low Priority Transmit
Rate Control Enable
1, enable the port’s low priority transmit rate control feature.
0, disable the port’s low priority transmit rate control feature.
R/W
0
High Priority Transmit
Rate Control Enable
1, enable the port’s high priority transmit rate control feature.
0, disable the port’s high priority transmit rate control feature.
R/W
0
Address
Name
Description
Mode
Default
Register 28 (0x1C): Port 1 Control 12
Register 44 (0x2C): Port 2 Control 12
Register 60 (0x3C): Port 3 Control 12
Register 76 (0x4C): Port 4 Control 12
Register 92 (0x5C): Port 5 Control 12
7
Disable Auto-Negotiation
1, disable auto-negotiation, speed and duplex are
decided by bit 6 and 5 of the same register.
0, auto-negotiation is on.
R/W
0
6
Forced Speed
1, forced 100BT if AN is disabled (bit 7).
0, forced 10BT if AN is disabled (bit 7).
R/W
1
5
Forced Duplex
1, forced full-duplex if (1) AN is disabled or (2) AN is
enabled but failed.
0, forced half-duplex if (1) AN is disabled or (2) AN is
enabled but failed.
R/W
0 For port 4
only, there is a
special
configure pin to
set the default
pin PCRS strap
option. Pull-
down (0): Force
half-duplex.
Pull-up (1):
Force full-
duplex. Note:
PCRS has
internal pull
down
.
4
Advertised Flow Control
Capability
1, advertise flow control capability.
0, suppress flow control capability from transmission to
link partner.
R/W
1
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