參數(shù)資料
型號: ADM7008
廠商: Electronic Theatre Controls, Inc.
英文描述: Octal Ethernet 10/100M PHY
中文描述: 八路個(gè)10/100M以太網(wǎng)物理層
文件頁數(shù): 58/92頁
文件大小: 981K
代理商: ADM7008
ADM7008
Function Description
Figure 3-26 Low Power Link Pulse during TX for Power Management
3.6 Voltage Regulator
ADM7008 requires two different levels, 3.3V and 1.8V, of voltage supply to provide the
power to different parts of circuitry inside the chip. ADM7008 has a build-in voltage
regulator circuitry to generate the 1.8V voltage from 3.3V power source. Therefore, an
external PNP power transistor is also needed and the block diagram of voltage regulator
is shown as below.
ADMtek Inc.
3-28
FLP = 80 mA(AN)
NLP = 80 mA(10M)
MLT3 = 40 mA(100M)
DRVON = 1
PW_SAVE_TX = OFF or
Medium detect = ON or
FORCE_GOOD_LINK=ON in 10
M or
Force in 100M mode
PW_SAVE_TX = ON and
Medium detect = OFF and
(Autonegiation enable = ON or
Force in 10M mode) and
FORCE_GOOD_LINK=OFF if 10 M
mode
NLP = 60 mA(10M)
FLP = 60 mA(AN)
DRVON = 0
RG16DRV62MA =
OFF
LLP = 20 mA
or 60 mA(AN or 10M)
DRVON = 0
RG16DRV62MA =
ON
IDLE
TX
PWSAVING
MODE
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