DS96-L147-203 CONEXANT [Conexant Systems, Inc], DS96-L147-203 Datasheet - Page 34
DS96-L147-203
Manufacturer Part Number
DS96-L147-203
Description
SmartV.XX Modem
Manufacturer
CONEXANT [Conexant Systems, Inc]
Datasheet
1.DS96-L147-203.pdf
(94 pages)
- Current page: 34 of 94
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3.1.1.5
3.1.2
3.1.2.1
3-2
Serial Interface Configuration Only
External Bus Interface
The external bus optionally connects to OEM-supplied external memory:
•
•
The non-multiplexed external bus interface signals are:
•
•
•
•
•
•
Serial DTE Interface and Indicator Outputs (PARIF = Low)
A V.24/EIA/TIA-232-E logic-compatible serial DTE interface is selected when the
PARIF input is low.
The supported DTE interface signals are:
•
•
•
•
•
•
•
•
•
Additional clock signals provided for synchronous mode are:
•
•
•
The following indicator output lines are also supported:
•
•
•
•
Up to 4 Mb (512K x 8) ROM/flash ROM
Up to 1 Mb (128K x 8) RAM
Eight bidirectional Data lines (D0-D7)
19 Address output lines (A0-A18)
Read Enable output (READ#)
Write Enable output (WRITE#)
ROM Chip Select output (ROMSEL#)
RAM Chip Select output (RAMSEL#)
Serial Transmit Data input (TXD#)
Serial Receive Data output line (RXD#)
Clear to Send output (CTS#)
Data Set Ready output (DSR#)
Received Line Signal Detector (RLSD#)
Test Mode output (TM#)
Ring Indicator (RI#)
Data Terminal Ready control input (DTR#)
Request to Send control input (RTS#)
Receive Data Clock (RXCLK#)
Transmit Data Clock (TXCLK#)
External Clock (XTCLK#)
Auto Answer indicator output (AAIND#)
Data Terminal Ready indicator output (DTRIND#)
Test Mode indicator output (TMIND#)
Off-hook indicator output (OHIND#)
CX81801-7x/8x SmartV.XX Modem Data Sheet
Conexant
102199B
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