Texas Instruments On-Off Keying Coax Modem Transceiver Evalulation Module SN65HVD62EVM SN65HVD62EVM Fiche De Données
Codes de produits
SN65HVD62EVM
EVM Description
2.2
EVM Configuration: Jumpers and Test Points
summarizes the jumper settings. An asterisk (*) indicates the default setting of the jumpers.
Table 2. Jumper Settings Description
Jumper
Shunt Position
Description
Jumper settings for U1
JU1
Short*
U1 VL pin connected to U1 VCC pin (single supply)
Open
U1 VLpin disconnected from U1 VCC pin
JU2
1-2*
2-3
Direction Control Settings for U1.
Default setting is for 115.2kbps data rate. See
Default setting is for 115.2kbps data rate. See
JU3
1-2
2-3*
JU4
1-2*
U1 output level at TXOUT is set at +3dBm
2-3
U1 output level at TXOUT is adjustable by VR1
JU5
1-2*
U1 uses on-board crystal
2-3
U1 uses external clock applied on SMA J2
JU6
Open*
U1 uses on-board crystal
Short
U1 uses external clock applied on SMA J2
JU15
Short*
U1 SYNCOUT pulled up to VCC through a 1k
Ω
resistor
Open
U1 SYNCOUT not pulled up to VCC
Jumper settings for U2
JU7
Short*
U2 VL pin connected to U2 VCC pin
Open
U2 VL pin disconnected from U2 VCC pin
JU8
1-2*
2-3
Direction Control Settings for U1.
Default setting is for 115.2kbps data rate. See
Default setting is for 115.2kbps data rate. See
JU9
1-2
2-3*
JU10
1-2*
U2 output level at TXOUT is set at +3dBm
2-3
U2 output level at TXOUT is adjustable by VR2
JU11
1-2*
U2 uses on-board crystal
2-3
U2 uses external clock applied on SMA J4
JU12
Open*
U2 uses on-board crystal
Short
U2 uses external clock applied on SMA J4
JU16
Short*
U2 SYNCOUT pulled up to VCC through a 1k
Ω
resistor
Open
U2 SYNCOUT not pulled up to VCC
Jumper settings for U1 to U2 connections
JU13
Short*
SMA J1 and J3 signals connected by a PCB trace (loopback)
Open
SMA J1 and J3 signals not connected (requires external cable)
JU14, E3, E4
Short*
U1 and U2 grounds connected
Open
U1 and U2 grounds disconnected
E1, E2
Short*
U1 VCC connected to U2 VCC
Open
U1 VCC not connected to U2 VCC
* indicates the default jumper configuration
summarizes the list of test points available on the EVM and their functionality.
6
SN65HVD62 AISG On-Off Keying Modem Evaluation Module (EVM)
SLLU152 – December 2012
Copyright © 2012, Texas Instruments Incorporated