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LAN8742Ai-CZ bảng dữ liệu(PDF) 12 Page - Microchip Technology

tên linh kiện LAN8742Ai-CZ
Giải thích chi tiết về linh kiện  Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR짰 Technology
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LAN8742Ai-CZ bảng dữ liệu(HTML) 12 Page - Microchip Technology

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LAN8742A/LAN8742Ai
DS00001989A-page 12
 2013-2015 Microchip Technology Inc.
1
Interrupt Out-
put
nINT
VOD8
(PU)
Active low interrupt output. Place an external
resistor pull-up to VDDIO.
Note:
The nINT signal can be optionally con-
figured to output on the LED1 or LED2
pins. Refer to Section 3.6, "Interrupt
Management" for additional details on
device interrupts.
Note:
Refer to Section 3.8.1.6, "nINTSEL
and LED2 Polarity Selection" for
details on how the nINTSEL configura-
tion strap is used to determine the
function of this pin.
Reference
Clock Output
REFCLKO
VO8
This optional 50 MHz clock output is derived from
the 25 MHz crystal oscillator. REFCLKO is select-
able via the nINTSEL configuration strap.
Note:
Refer to Section 3.7.4.2, "REF_CLK
Out Mode" for additional details on
device interrupts.
Note:
Refer to Section 3.8.1.6, "nINTSEL
and LED2 Polarity Selection" for
details on how the nINTSEL configura-
tion strap is used to determine the
function of this pin.
TABLE 2-6:
ANALOG REFERENCE PINS
Num Pins
Name
Symbol
Buffer Type
Description
1
External 1%
Bias Resistor
Input
RBIAS
AI
This pin requires connection of a 12.1 kΩ (1%)
resistor to ground.
Refer to the LAN8742A/LAN8742Ai reference
schematic for connection information.
Note:
The nominal voltage is 1.2 V and the
resistor will dissipate approximately
1 mW of power.
TABLE 2-5:
MISCELLANEOUS PINS (CONTINUED)
Num Pins
Name
Symbol
Buffer Type
Description



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