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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
Baseband Processor
M46
Address
(Hex)
0040220
0040222
0040224
0040226
0040228
004022A
004022C
004022E
0040230
0040280
0040282
0040284
0040288
004028A
004028C
0040290
0040292
0040294
0040298
004029A
004029C
0040300
0040302
Block Size
(bytes)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Table 2. BP Register Addresses (3 of 6)
Type
Name
Function
Debug Serial Port
R/W Debug Serial In / Out Buffer
Reading from this address will read the contents of
the Serial In buffer. Writing to this address will write
to the Serial Out buffer.
R/W Debug Serial Port Mode
Debug port configuration.
R/W Debug Serial Port Interrupt
Interrupt enable and flags.
R/W Debug Serial Port Line
Word length, parity and formatting.
R/W Debug Serial Port Status
Debug port status.
R/W Debug Serial Port Form
Vary duration of stop bits.
W
Debug Serial Out Divider Latch Controls serial out baud rate.
W
Debug Serial In Divider Latch
Controls serial in baud rate.
Reserved
GPIO Ports
R/W Port A I/O Select
Select special function associated with GPIO
signal.
R/W Port A Data I/O
Port A read/write data.
R/W Port A I/O Configuration
Select port A GPIO signals as inputs or outputs.
R/W Port B I/O Select
Select special function associated with GPIO
signal.
R/W Port B Data I/O
Port B read/write data.
R/W Port B I/O Configuration
Select port B GPIO signals as inputs or outputs.
R/W Port C I/O Select
Select special function associated with GPIO
signal.
R/W Port C Data I/O
Port C read/write data.
R/W Port C I/O Configuration
Select port C GPIO signals as inputs or outputs.
R/W Port D I/O Select
Select special function associated with GPIO
signal.
R/W Port D Data I/O
Port D read/write data.
R/W Port D I/O Configuration
Select port D GPIO signals as inputs or outputs.
Conexant Serial Bus
R/W Serial Bus Data I/O
Bit [0] at this address is connected to the serial data
signal.
R/W Serial Bus Clock
Bit [0] at this address is connected to the serial
clock signal.
Default Value
(Hex)
0000
0000
0000
0000
6060
0000
0000
0000
0000
Undefined
00FF
00FF
Undefined
FFFF
00FF
00C0
00FF
0007
0007
00FF
0003
0003
100779C
Conexant
Proprietary Information and Specifications are Subject to Change
9
June 14, 2000
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