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參數(shù)資料
| 型號： | SSCP485PL |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SSC P485 PL Transceiver IC |
| 中文描述： | 南南合作P485特等收發(fā)芯片 |
| 文件頁數(shù)： | 4/19頁 |
| 文件大?。?/td> | 109K |
| 代理商： | SSCP485PL |
SSC P485 PL Transceiver IC
July 1998
4
Revision 5
24000828
ADVANCE INFORMATION
SSC P485 Application Examples
The SSC P485 may be used in a wide variety of applications. A typical node connecting to the medium is shown
in Figure 1. A gateway between an RS485 twisted pair network and a DC power line network is shown in Figure
2. A multi-point network application with gateways using the SSC P485 is illustrated in Figure 3. Figure 4
presents a host interface flow diagram showing the major steps necessary to transmit and receive messages
using the P485 IC.
Microprocessor
based Control
Logic
Single
Wire
ILD
WR
RD
SSC P485 PL
Transceiver
SSC P111
Power Line Media
Interface
SO
TS*
SI
DI
RO
input
filter
output
filter
medium
coupler
Figure 1. SSC P485 Typical Node
Microprocessor
based Control
Logic
UART
UART
+
-
D
DE
R
RE*
A
B
RS-485 Transceiver
Twisted
Pair
Single
Wire
Transmit Enable #1
RXD #1
RXD #1
TXD #1
ILD
RXD #2
TXD #2
RXRDY #2
TXRDY #2
DATA 0-7
RXRDY #1
TXRDY #1
TXD #1
RD #1
RD #2
WR #1
WR #2
SSC P485 PL
Transceiver
SSC P111
Power Line Media
Interface
SO
TS*
SI
ILD
DI
RO
input
filter
output
filter
medium
coupler
Figure 2. SSC P485 Gateway
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