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M4640-19 View Datasheet(PDF) - Conexant Systems

Part NameDescriptionManufacturer
M4640-19 Baseband Processor for GSM Applications Conexant
Conexant Systems Conexant
M4640-19 Datasheet PDF : 47 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
M46
Baseband Processor
Address
(Hex)
0040320
0040322
0040324
0040326
0040328
004032A
004032C
0040340
0040342
0040500
0040504
0040508
0040510
0040514
0040518
0040520
0040524
0040528
0040530
0040534
0040538
0040540
0040544
0040548
0040550
Block Size
(bytes)
2
2
2
2
2
2
2
2
2
4
4
2
4
4
2
4
4
2
4
4
2
4
4
2
2
Table 2. BP Register Addresses (4 of 6)
Type
Name
Function
Escape Sequence/Flow Control Detection
R/W Control
Sets mode of detection circuitry.
R/W Status
Stores the status of the detection block.
R/W Escape Sequence Character
Character to detect as escape sequence.
R/W XON Character
Character to detect as XON.
R/W XOFF Character
Character to detect as XOFF.
R/W Escape Sequence Timeout
Number of 20 ms counts for timeout of escape
sequence detection.
R/W Reserved
IrDA Pulse Shaper
R/W Pulse Length
Sets transmit pulse duration and expected receive
pulse duration.
R/W Divider Ratio
Sets number of PTG A pulses per bit period.
DMA Controller
R/W DMA0 Address
Address of DMA channel 0 transfers (channel 0 is
used for SDS_RX transfers).
R/W DMA0 Threshold
Threshold address of DMA channel 0.
R/W DMA0 Control
DMA channel 0 control.
R/W DMA1 Address
Address of DMA channel 1 transfers (channel 1 is
used for DEBUG_RX transfers).
R/W DMA1 Threshold
Threshold address of DMA channel 1.
R/W DMA1 Control
DMA channel 1 control.
R/W DMA2 Address
Address of DMA channel 2 transfers (channel 2 is
used for SDS_TX transfers).
R/W DMA2 Threshold
Threshold address of DMA channel 2.
R/W DMA2 Control
DMA channel 2 control.
R/W DMA3 Address
Address of DMA channel 3 transfers (channel 3 is
used for DEBUG_TX transfers).
R/W DMA3 Threshold
Threshold address of DMA channel 3.
R/W DMA3 Control
DMA channel 3 control.
R/W DMA4 Address
Address of DMA channel 4 transfers (channel 4 is
used for SIM transfers)
R/W DMA4 Threshold
Threshold address of DMA channel 4.
R/W DMA4 Control
DMA channel 4 control.
Reserved
Default Value
(Hex)
0000
0000
002B
0011
0013
0000
0000
000F
0000 0000
0000 0000
0000
0000 0000
0000 0000
0000
0000 0000
0000 0000
0000
0000 0000
0000 0000
0000
0000 0000
0000 0000
0000
10
June 14, 2000
Conexant
Proprietary Information and Specifications are Subject to Change
100779C
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