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| 型號： | GIGAPHY_SD |
| 英文描述： | GigaPHY-LAB-KT Schematics and Layout? 1.13MB (PDF) |
| 中文描述： | GigaPHY -勞顧會的韓國電信原理圖和布局？ 1.13MB（PDF格式） |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 1158K |
| 代理商： | GIGAPHY_SD |
GigaPHY
(TM)
-SD Device
GDPHYSD_1B
Eval Board
General Description
The GigaPHY GPHYSD_1B Board, provides a low cost, easy-to-use tool to evaluate the Gigabit
Transceiver, AM79761, with regard to signal quality and performance. It is intended that the GigaPHY
board be a self-contained Evaluation Unit. In its simplest form, the switches on the GPHYSD_1B can be
used to set the transmit data and control lines while monitoring received data and status lines with LED’s.
A pre-programmed PAL in addition to the switch settings can generate simple word patterns.
More in-depth evaluations can be implemented by connecting a Pattern Generator (10-bits at
125MHz) to pods on the board in order to generate transmit data and control signals. A logic analyzer can
also be connected to pods on the board in order to monitor receive data and status signals. With this
setup 8B/10B data can be sent to the transmitter on the Evaluation Unit to generate Gigabit data and
monitored on the Logic Analyzer.
Other useful features of the board include the presence of an on-board, removable oscillator with Tri-
state (normally at 125MHz) in a DIP, half DIP or Surface Mount form. An on-board voltage regulator is
used to provide 3.3V to the board with a shutdown switch used to turn off power to all components.
Last Updated 11/04/97
1997 Advanced Micro Devices
Trademark Information
3 of 7
Scope of this Document
It is intended that the AM79761 datasheet be used for reference in understanding the device function.
Additionally, the following items are enclosed in this document:
1. Schematics for the board
2. Artwork for the board (copies of each layer)
3. Fabrication drawing for the board
4. Bill of materials for the board.
Operation and Switch Settings
HP1
TXD
Logic Analyzer/Pattern input
HP2
RXD
Logic Analyzer
LED0
RXD[0]
Status
LED1
RXD[1]
Status
LED2
RXD[2]
Status
LED3
RXD[3]
Status
LED4
RXD[4]
Status
LED5
RXD[5]
Status
LED6
RXD[6]
Status
LED7
RXD[7]
Status
LED8
RXD[8]
Status
LED9
RXD[9]
Status
LED10
COMDET
LED11
+5POS External Power Supply Input indicator
LED12
+3.3 Power Supply Input indicator
LED13
/SHDN Status for Voltage Regulator if
[ON] Shutdown [OFF] Enabled
LED14
SEL[0]
LED15
SEL[1]
LED16
EWRAP
LED17
EN_CDET
P1
/SHDN
[H] Voltage Regulator is [ON] Power to DUT
[L] Shuts down the Voltage Regulator[OFF] No
power to DUT.
P2
SEL[0]
P3
SEL[1]
Comma Character Status
P4
P5
PWR1
PWR2
SMA1
EWRAP
EN_CDET
Ext. Lab bench +5V DC supply
Ext. Wallmount +5V DC supply
External 125Mhz Clock
resistor R2 and W1[to Tristate Clock Crystal].
TX[+] Output
TX[-] Output
RX[+] Output
RX[-] Output
RCLKN Output
RCLK Output
Manual Setting to TXD[0:9]
AM79761
PAL for TXD[0:9] inputs
Buffer to LED’s
Buffer to LED’s
+5POS to +3.3POS Voltage Regulator with
Shutdown.
TRI-STATE Jumper to Tri-State Clock Crystal
output.
125 MHz Clock Crystal.
VDDIN [+5 volt power supply].
+5POS going to Voltage regulator.
ZTP3,5,6,7
DVSS
ZTP4
DVSS
Install [0]ohm
SMA2
SMA3
SMA4
SMA5
SMA6
SMA7
SW1
U1
U2
U3
U4
VR1
W1
X1
ZTP1
ZTP2
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