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Número de pieza | CX06833-4x | |
Descripción | (CX06833-3x/-4x) V.92/V.34/V.32bis Modem | |
Fabricantes | Conexant Systems | |
Logotipo | ||
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CX06833-3x/4x
SMXXD Modem
V.92/V.34/V.32bis Modem in
144-Pin TQFP with Optional
CX20442 Voice Codec
Data Sheet
Doc. No. 102228B
July 1, 2003
1 page CX06833-3x/4x SMXXD Modem Data Sheet
3. Hardware Interface ...............................................................................................................................3-1
3.1 CX06833 Hardware Pins and Signals ............................................................................................................................. 3-1
3.1.1 CX06833 Interface Signals ............................................................................................................................. 3-1
3.2 CX20442 VC Hardware Pins and Signals (S Models) ................................................................................................... 3-17
3.2.1 CX20442 VC Signal Summary...................................................................................................................... 3-17
3.2.1.1 Speakerphone Interface............................................................................................................ 3-17
3.2.1.2 Telephone Handset/Headset Interface...................................................................................... 3-17
3.2.1.3 CX06833 Modem Interface ...................................................................................................... 3-17
3.2.1.4 Host Interface........................................................................................................................... 3-17
3.2.2 CX20442 VC Pin Assignments and Signal Definitions.................................................................................. 3-18
3.3 Electrical and Environmental Specifications ................................................................................................................. 3-24
3.3.1 Operating Conditions, Absolute Maximum Ratings, and Power Requirements ........................................... 3-24
3.4 Interface and Timing Waveforms ................................................................................................................................. 3-26
3.4.1 External Memory Bus Timing ....................................................................................................................... 3-26
3.4.2 Parallel Host Bus Timing .............................................................................................................................. 3-28
3.4.3 Serial DTE Interface...................................................................................................................................... 3-30
3.5 Crystal Specifications ................................................................................................................................................... 3-31
4. Package Dimensions ............................................................................................................................4-1
5. Parallel Host Interface ..........................................................................................................................5-1
5.1 Overview ......................................................................................................................................................................... 5-1
5.2 Register Signal Definitions ............................................................................................................................................. 5-3
5.2.1 IER - Interrupt Enable Register (Addr = 1, DLAB = 0) .................................................................................... 5-3
5.2.2 FCR - FIFO Control Register (Addr = 2, Write Only) ....................................................................................... 5-4
5.2.3 IIR - Interrupt Identifier Register (Addr = 2) .................................................................................................. 5-5
5.2.4 LCR - Line Control Register (Addr = 3) .......................................................................................................... 5-6
5.2.5 MCR - Modem Control Register (Addr = 4).................................................................................................... 5-7
5.2.6 LSR - Line Status Register (Addr = 5)............................................................................................................ 5-7
5.2.7 MSR - Modem Status Register (Addr = 6) ..................................................................................................... 5-9
5.2.8 RBR - RX Buffer (Receiver Buffer Register) (Addr = 0, DLAB = 0) ................................................................ 5-9
5.2.9 THR - TX Buffer (Transmitter Holding Register) (Addr = 0, DLAB = 0).......................................................... 5-9
5.2.10 Divisor Registers (Addr = 0 and 1, DLAB = 1).............................................................................................. 5-10
5.2.11 SCR - Scratch Register (Addr = 7) ............................................................................................................... 5-10
5.3 Receiver FIFO Interrupt Operation ................................................................................................................................ 5-10
5.3.1 Receiver Data Available Interrupt ................................................................................................................. 5-10
5.3.2 Receiver Character Timeout Interrupts ........................................................................................................ 5-11
5.4 Transmitter FIFO Interrupt Operation ........................................................................................................................... 5-11
5.4.1 Transmitter Empty Interrupt......................................................................................................................... 5-11
102228A
Conexant
v
5 Page CX06833-3x/4x SMXXD Modem Data Sheet
Figure 1-1. SMXXD Modem Simplified Interface Diagram
PARALLEL
HOST BUS OR
SERIAL DTE
INTERFACE
CX06833
Single Chip Modem
144-Pin TQFP
CX20442
Voice Codec
(VC)
32-Pin TQFP
(Optional)
Figure 1-2. SMXXD Modem Major Interfaces
Telephone
Line
Interface
Discrete
Components
TIP
RING
TIP
RING
TELEPHONE LINE
HANDSET (OPTIONAL)
MIC
SPEAKER
(OPTIONAL)
102228_001
CX06833
Single Chip Modem
144-Pin TQFP
Line Interface
Codec
DAA Hardware
Telephone
Line Interface
Discrete
Components
TELEPHONE
LINE
TIP
RING
PARALLEL
HOST BUS OR
SERIAL DTE
INTERFACE
Microcontroller
Unit (MCU)
Modem Data
Pump (MDP)
ROM
(256K x 8)
RAM
(32K x 8)
102228A
CX20442
Voice Codec (VC)
32-Pin TQFP
(Optional)
Serial EEPROM
2K (256 x 8) to
256K (32K x 8)
(Optional)
RAM
1M (128K x 8)
(Optional)
Flash ROM
2M (256K x 8)
(Optional)
Conexant
Voice Relay,
HS Pickup
(Optional)
TELEPHONE
HANDSET
TIP
RING
HS Hybrid
Components
(Optional)
(Mic/Speaker)
Interface
(Optional)
Digital Speaker
Circuit (Optional)
MIC
SPEAKER
SOUNDUCER
102228_002
1-3
11 Page |
Páginas | Total 70 Páginas | |
PDF Descargar | [ Datasheet CX06833-4x.PDF ] |
Número de pieza | Descripción | Fabricantes |
CX06833-4x | (CX06833-3x/-4x) V.92/V.34/V.32bis Modem | Conexant Systems |
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