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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
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
Baseband Processor
M46
Address
(Hex)
0040740
0040750
0040760
0040762
0040764
0040766
0040768
004076A
0040800
0040802
0040804
0040902
0040B00
0040B02
0040A00
0040A02
0040A04
0040A06
0040A08
0040A10
0040A12
0040A14
0040A16
0040A18
Block Size
(bytes)
16
16
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
4
2
2
2
4
4
Table 2. BP Register Addresses (5 of 6)
Type
Name
Function
Autobaud
R/W Decision Values
Thresholds for baudrate decision.
R/W Timer Values
Values to load into PTG B.
R/W Control
Configures operation of Autobaud block.
R
Status
Stores status of Autobaud block.
R
Status Failure
If Autobaud detection fails, this register indicates
the cause of the failure.
R
First/Second Character
Stores the first and second characters received
during the last autobaud attempt.
R
Autobaud Count
Count value for start bit.
R
Temporary Character
Temporary character value.
Keypad
R/W Keypad I/O Configuration
Configure the keypad strobe lines as inputs or
outputs (as the strobe lines as GPIO type signals).
R/W Keypad Strobe
Data written to this register will appear on the
keypad strobe lines.
R/W Keypad Return Lines
Status of keypad return lines are stored in this
register.
Clock Generation and Phase Locked Loop
R/W Clock Enables
Turn on / off the clock to each block.
R/W Reserved
R/W Reserved
Annunciator
R/W PWM 1 Control
PWM 1 configuration.
R/W PWM 1 Duty Cycle
PWM 1 duty cycle.
R/W PWM 1 Divider Ratio
PWM 1 divider ratio.
R/W PWM 1 Counter Register
PWM 1 counter register.
R/W PWM 1 Data Pattern
PWM 1 data pattern.
R/W PWM 2 Control
PWM 2 configuration.
R/W PWM 2 Duty Cycle
PWM 2 duty cycle.
R/W PWM 2 Divider Ratio
PWM 2 divider ratio.
R/W PWM 2 Counter Register
PWM 2 counter register.
R/W PWM 2 Data Pattern
PWM 2 data pattern.
Default Value
(Hex)
Undefined
Undefined
0000
0000
0000
0000
0000
0000
0000
0000
001F
4003
0000
0000
0000
0064
0000
0000
0000
0000
0064
0000
100779C
Conexant
Proprietary Information and Specifications are Subject to Change
11
June 14, 2000
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