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AM79C901AVIT датащи(PDF) 12 Page - Advanced Micro Devices

номер детали AM79C901AVIT
подробное описание детали  HomePHY Single-Chip 1/10 Mbps Home Networking PHY
PDF  90 Pages
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производитель  AMD [Advanced Micro Devices]
домашняя страница  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C901AVIT датащи(HTML) 12 Page - Advanced Micro Devices

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Am79C901A
PR ELI M IN AR Y
PIN DESIGNATIONS (PL 068)
Listed By Group
Pin Name
Pin Function
Type
Driver Type
Number of
Pins
Configuration
MII/GPSI
Selects MII or GPSI mode
I
–
1
GM_MODE
Selects MDC/MDIO and GPSI data
I
–
1
ISOLATE
Isolates device if register isolate bit is set = 1
I
–
1
PHY_SEL
Defines default PHY
I
–
1
PHY_AD
Defines bit 2 of the PHY address
I
–
1
Board Interface
RESET
RESET
I
–
1
XCLK/XTAL
Oscillator/Crystal Select
I
–
1
XTAL1
Crystal Input (20 MHz XTAL/60 MHz CLK)
I
–
1
XTAL2
Crystal Output (20 MHz XTAL)
O
XTAL
1
IREF
Tied to GND via a 12.1 k
Ω 1% resistor
I
–
1
LED_COL
Collision Indication
O
LED
1
LED_ACTIVITY
Activity Indication
O
LED
1
LED_LINK
Link Valid Indication
O
LED
1
LED_SPEED
High Speed Indication
O
LED
1
LED_POWER
High Power Indication
O
LED
1
1 Mbps HomePNA PHY Network Ports
HRTXRXP/N
Receive/Transmit Data
I/O
–
2
10BASE-T PHY Network Ports
TX±
Serial Transmit Data
O
–
2
RX±
Serial Receive Data
I
–
2
MII Interface
TX_CLK
MII Transmit Clock
O
OMII
1
TXD[3:0]
MII Transmit Data
I
–
4
TX_EN
MII Transmit Enable
I
–
1
RX_CLK
MII Receive Clock
O
OMII
1
RXD[3:0]
MII Receive Data
O
OMII
4
RX_ER
MII Receive Error
O
OMII
1
RX_DV
MII Receive Data Valid
O
OMII
1
MDC
MII Management Data Clock
I
–
1
MDIO
MII Management Data Input/Output
I/O
TSMII
1
CRS
Carrier Sense
O
OMII
1
COL
Collision
O
OMII
1



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