Conexant RC1440D Technical Manual Download Page 9

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,QWHJUDWHG.IOH[999ELV0RGHP'HYLFH6HWV

5&'5&'DQG5&'

MD211

Conexant

MICRO

CONTROLLER

UNIT

(MCU)

1154F3-1 IF Ser

MODEM

DATA

PUMP
(MDP)

RS0-RS4

~CS

EXTERNAL

BUS

RIN

TXA1

TXA2

TELIN*

TELOUT*

MICV*

SPKM

MICM**

DPIRQ

~READ

~WRITE

A0-A17

D0-D7

~DPSEL

~ROMSEL

~RAMSEL

~READ

~WRITE

A0-A4

D0-D7

~DPSEL

TELEPHONE

LINE

TELEPHONE

HANDSET

MICROPHONE

TELEPHONE

LINE/

TELEPHONE

HANDSET/

AUDIO

INTERFACE

CIRCUIT

HEADPHONE/

SPEAKER

IRQ

~RES1
~RES2

A0-A16

D0-D7

~READ

~WRITE

~RAMSEL

A0-A17

D0-D7

~READ

~WRITE

~ROMSEL

VGG

AVDD

VAA

DGND, AGND

VCC (+5V)

CLKIN

VDD

CLKOUT

VD3.3

RCDSVD

SCP

(R6715)

~RESET

~CS

~IRQ1

A0-A4

D0-D7

~READ

~WRITE

MICIN

SPKP

LINEIN

LINEOUT

~WKRESOUT

~SCPSEL

~SCPIRQ*

DGND, AGND

VDD

AVDD

VAA

VCC (+5V)

VDD

VCC (+5V)

DGND

NVMDATA

NVMCLK

NVRAM

(OPTIONAL)

MODEM

CRYSTAL

CIRCUIT

XTLI

XTLO

~EXTOH

~RLY1 (~OH)

~RLY2 (~VOICE)

~RLY3 (~MUTE)

~RLY4 (~CALLID)

LCS

RINGD

DTE

SERIAL/

INDICATOR

INTERFACE

~XTCLK

~TXCLK

~RXCLK*

~TXD

~RXD

~CTS

~DSR

~RLSD

~TM

~RI

~DRSOUT

~DTR

~RTS

~RDL

~AL

~DTRIND

~TMIND

~AAIND

RESET

CIRCUIT

~RESET

~WKRES

~RESET

XTLI

XCLK

~XTCLK

TDCLK

~RDCLK

~TXD

~DPRXD

RXD

PARIF

* SP OR SVD MODELS.

** NON-(SP OR SVD) MODELS.

ROM/FLASH ROM

2M (256K x 8) [RC56/RC336/RC144]

1M (128K x 8) [RC336/RC144]

RAM

1M (128K x 8) [RC56/RC336/RC144]

32K x 8 [RC336/RC144]

Figure 5. Hardware Interface Signals - Serial DTE Interface

Summary of Contents for RC1440D

Page 1: ... V 42 MNP 2 4 and data compression V 42 bis MNP 5 maximize data transfer integrity and boost average data throughput up to 230 4 kbps Non error correcting mode is also supported In V 32 bis mode the modem operates at line speeds up to 14 4 kbps The modem supports fax Group 3 send and receive rates up to 33 6 kbps and T 30 protocol In voice TAM mode enhanced 2 bit or 4 bit per sample ADPCM coding a...

Page 2: ...V DQG D ODVV VXSSRUW 63 XOO GXSOH VSHDNHUSKRQH 9RLFH 7 0 9RLFH DQG WHOHSKRQH DQVZHULQJ PDFKLQH VXSSRUW KDQGVHW VXSSRUW UHTXLUHV 63 RU 69 PRGHO ODVV RUOG FODVV ZLWK PXOWLSOH FRXQWU VXSSRUW 6HH 5 86 DWD 6KHHW 2UGHU 1R 0 Information provided by Conexant Systems Inc is believed to be accurate and reliable However no responsibility is assumed by Conexant for its use nor any infringement of patents or o...

Page 3: ...the modem system Optional on board DSVD operation is supported with addition of the RCDSVD Speech Codec Processor SCP device to an SP model included in SVD models Table 1 shows the supported functions by product family Dialing call progress V 80 telephone line interface voice TAM speakerphone AudioSpan and DSVD functions are supported and controlled through the AT command set Connection to the hos...

Page 4: ...336 RC144 RAM 1M 128K x 8 RC56 RC336 RC144 or 32K x 8 RC336 RC144 Figure 1 Block Diagram Serial DTE Interface 1154F1 2 BD Par TELEPHONE LINE TELEPHONE HANDSET TELEPHONE EXTENSIONS AUDIO INTERFACE CIRCUIT TELEPHONE LINE TEL HANDSET MICROPHONE HEADPHONE SPEAKER MODEM DEVICE SET MICRO CONTROLLER UNIT MCU 80 PIN PQFP MODEM DATA PUMP MDP 100 PIN PQFP PARALLEL HOST BUS INTERFACE RCDSVD SPEECH CODEC PROC...

Page 5: ...SP OR SVD MODELS EXTENSION PICKUP REMOTE HANG UP EXTOH MICM Figure 3 1 Relay Data Fax TAM DAA Interface U S MODEM DEVICE SET SP SVD MODELS 1154F1 4 AIF 2R US TELEPHONE LINE TELEPHONE HANDSET TELEPHONY EXTENSIONS INTERFACE CIRCUIT HEADPHONE MICROPHONE LCS RINGD VOICE OH VC BIAS AMP SOUNDUCER OPTIONAL AUDIO HEADPHONE INTERFACE CIRCUIT SSI BRDGE OH RELAY HYBRD XFRMR TEL LINE TEL HANDSET VOICE RELAY L...

Page 6: ...Mode using RCDSVD SCP Device SVD Models On board DSVD operation requires installation of the optional RCDSVD SCP R6715 14 DSVD provides full duplex digital simultaneous voice and data over a single telephone line DSVD uses codecs in the RCDSVD SCP to code compress analog speech signal on the RCDSVD LINEIN pin or MICIN pin for passing to the modem controller in digitized form and to decode decompre...

Page 7: ...of the following functions when interfacing with the PnP ISA card Isolate the ISA card Read the card s resource data Identify the card and configure its resources The PnP Device meets the requirements stated in the Plug and Play ISA Specification Version 1 0a See Plug and Play PnP ISA Bus Interface Device Data Sheet Order No MD144 for additional information MCU Firmware MCU firmware performs proce...

Page 8: ...monitor The speaker output SPKM carries the normal speakerphone audio or reflects the received analog signals in the modem An input from the telephone microphone TELIN and an output to the telephone speaker TELOUT are supported in AudioSpan modes These lines connect voice record playback and AudioSpan audio to the local handset RCDSVD SCP Interface SVD Models The Line In LINEIN and Line Out LINEOU...

Page 9: ...IN VDD CLKOUT VD3 3 RCDSVD SCP R6715 RESET CS IRQ1 A0 A4 D0 D7 READ WRITE MICIN SPKP LINEIN LINEOUT WKRESOUT SCPSEL SCPIRQ DGND AGND VDD AVDD VAA VCC 5V VCC 5V VCC 5V VDD VCC 5V DGND NVMDATA NVMCLK NVRAM OPTIONAL MODEM CRYSTAL CIRCUIT XTLI XTLO EXTOH RLY1 OH RLY2 VOICE RLY3 MUTE RLY4 CALLID LCS RINGD DTE SERIAL INDICATOR INTERFACE XTCLK TXCLK RXCLK TXD RXD CTS DSR RLSD TM RI DRSOUT DTR RTS RDL AL ...

Page 10: ...ALLEL HOST BUS INTERFACE HD0 HD7 HA0 HA2 HCS HWT HRD HINT RES A0 A16 D0 D7 READ WRITE RAMSEL A0 A17 D0 D7 READ WRITE ROMSEL VGG AVDD VAA DGND AGND VCC 5V VCC 5V VCC 5V CLKIN VDD CLKOUT VD3 3 RCDSVD SCP R6715 RESET CS IRQ1 A0 A4 D0 D7 READ WRITE MICIN SPKP LINEIN LINEOUT WKRESOUT SCPSEL SCPIRQ DGND AGND VDD AVDD VAA VCC 5V VCC 5V VCC 5V VDD VCC 5V DGND NVMDATA NVMCLK NVRAM OPTIONAL MODEM CRYSTAL CI...

Page 11: ...RAMSEL ROMSEL DPSEL A16 GND RLY2 VOICE RLY1 OH A15 A14 A13 A12 A11 A10 A9 A8 A7 Figure 7 MCU Pin Signals 80 Pin PQFP Serial DTE Interface 1154F3 4 PO MCU80F Par 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 RES NMI ...

Page 12: ...D2 D1 D0 NC CLKIN VDD RESERVED RESERVED GP00 GND TXA2 VREF VC MICV NC RIN RES2 MICM SPKMD AGND AVDD MCNTRLSIN MCLKIN MTXSIN MSCLK MRXOUT MSTROBE RLYA AGND GND VSTROBE NC IRQ RINGD RI RESERVED XCLK YCLK RESERVED RESERVED RESERVED VGG RESERVED SLEEPO VDD RXD RESERVED GND XTCLK VDD SR1IO RESERVED SR2IO SA2CLK RESERVED RESERVED IASLEEP VCNTRLSIN NC VCLKIN NC VTXSIN NC VSCLK NC VRXOUT NC RESERVED RS2 R...

Page 13: ... NC GPO4 GPO5 GPO6 GPO7 NC NC VDD NC NC NC NC READ CS NC RS4 RS3 RS2 RS1 RS0 VDD D7 D6 D5 D4 D3 D2 D1 D0 WRITE ADVSS NC NC VC VREF VSS NC RBIAS MICIN AVSS LINEIN AVDD NC NC ADVSS NC LINEOUT SPKN SPKP NC FSYNC ICLK NC NC REFCNTL NC NC VSS IARESET MCLK ADVDD SIN SOUT CTRLSIN IACLK 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81...

Page 14: ...Sleep 10 50 Notes 1 Test conditions MCU PnP and SCP VDD 5 0 VDC for typical values VCC 5 25 VDC for maximum values MDP VDD 3 3 VDC for typical values VCC 3 6 VDC for maximum values 2 Normal operating voltage MCU PnP and SCP VDD 5 0 V 5 MDP VDD 3 3 V 0 3 V Table 3 Absolute Maximum Ratings Parameter Symbol Limits Units Supply Voltage VDD MCU 0 5 to 6 0 MDP 0 5 to 4 0 V Input Voltage VIN 0 5 to VDD 0...

Page 15: ... QWHJUDWHG IOH 9 9 9 ELV 0RGHP HYLFH 6HWV 5 5 DQG 5 MD211 Conexant 15 NOTES ...

Page 16: ...ia Phone 61 2 9869 4088 Fax 61 2 9869 4077 China Phone 86 2 6361 2515 Fax 86 2 6361 2516 Hong Kong Phone 852 2827 0181 Fax 852 2827 6488 India Phone 91 11 692 4780 Fax 91 11 692 4712 Korea Phone 82 2 565 2880 Fax 82 2 565 1440 Europe Headquarters Conexant Systems France Les Taissounieres B1 1680 Route des Dolines BP 283 06905 Sophia Antipolis Cedex France Phone 33 4 93 00 33 35 Fax 33 4 93 00 33 0...

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