參數(shù)資料
型號: 78Q8430-100IGT/F
廠商: Maxim Integrated Products
文件頁數(shù): 81/88頁
文件大?。?/td> 0K
描述: IC LAN MEDIA ACCESS CTLR 100LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 90
控制器類型: 以太網(wǎng)控制器,MAC/PHY
電源電壓: 3.3V
電流 - 電源: 230mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
78Q8430 Data Sheet
DS_8430_001
82
Rev. 1.2
7.7.13 PHY MDI / MDIX Control Register – MR24
Bit
Symbol
Type
Default Description
15:8
R
0
Unused
7
PD_MODE
R/W
1
Parallel Detect Mode
Write a 1 to this bit to add Parallel Detect mode. This will
allow auto-switching to work when auto-negotiation is off
while the other device has it on.
6
AUTO_SW
R/W
1
Auto Switching
Write a 1 to this bit to enable auto switching.
5
MDIX
R/W
0
MDI State
Indicates state of the MDI pair or force configuration:
1 = MDIX (cross over)
0 = MDI
When AUTO_SW is a 1, this bit will only be readable.
When AUTO_SW is a 0, this bit can be written to set the
configuration.
4
MDIX_CM
R
0
Auto-Switch Completion
Indicates completion of auto-switch sequence.
1 = Sequence completed
0 = Sequence in progress or auto-switch is disabled.
3:0
MDIX_SD
R/W
<0000> MDIX Seed
Write initial pattern seed for switching algorithm. Initial
seed will directly affect attempts [9,8,5,4] respectively to
written bits [3:0]. Setting to [0000] will result in device
using its own seed of [0101].
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