參數(shù)資料
型號： MC13109
廠商： Motorola, Inc.
英文描述： Universal Cordless Telephone Subsystem IC
中文描述： 通用無繩電話子系統(tǒng)集成電路
文件頁數(shù)： 19/28頁
文件大小： 395K
代理商： MC13109
MC13109
19
MOTOROLA ANALOG IC DEVICE DATA
0
0
1
1
0
1
0
1
1
25
4
4
1
4
25
4
12–Bit Ref Counter
MSB
LSB
U.K. Handset
Select
U.K. Base
Select
LO2 Out
Tx Reference Frequency
Figure 17. Reference Register Programming Mode
12–b
Programmable
Reference
Counter
÷
25
÷
1
÷
4
LO2 In
Rx Reference Frequency
U.K. Base
U.K. Handset
U.K. Handset
U.K. Base
U.K. Handset
Select
U.K. Base
Select
LO2
Tx Divider
Value
Rx Divider
Value
14–Bit Reference Counter Latch
Figure 18. Control Register Bits
Application
All but U.K. and Netherlands
U.K. Base Set
U.K. Hand Set
Netherlands Base and Hand Set
2–Bit
Clk Out
Select
Stdby
Mode
4–Bit
Volume
Control
Rx
Mode
Tx
Mute
Rx
Mute
SP
Mute
ALC
Disable
Not
Used
Limiter
Disable
Clk
Disable
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á
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á
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Power Saving Operating Modes
When the MC13109 is used in a handset, it is important to
conserve power in order to prolong battery life. There are five
modes of operation; Active, Rx, Standby, Interrupt and
Inactive. In Active Mode, all circuit blocks are powered. In Rx
mode, all circuitry is powered down exept for those circuit
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áááá
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á
0
á
á
Normal Operation
á
á
Automatic Level Control Disabled
á
Normal Operation
0
á
á
0
á
Normal Operation
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Clock Disable
1
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MPU Clock Output Disabled
á
á
á
Transmit Channel Muted
0
á
Normal Operation
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SP Mute
1
á
áááááááá
Speaker Amp Muted
sections needed to receive a transmission from the base. In
the Standby and Interrupt Modes, all circuitry is powered
down except for the circuitry needed to provide the clock
output for the microprocessor. In Inactive Mode, all circuitry is
powered down except the MPU interface. Latch memory is
maintained in all modes. Figure 20 shows the control register
bit values for selection of each power saving mode and
Figure 21 show the circuit blocks which are powered in each
of these operating mode.
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Bit
Interrupt” Pin
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áá
áá
á
á
á
Mode
á
á
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á
á
áááá
áááá
á
á
Mode
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0
0
X
Active
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0
1
X
Rx
Standby
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1
0
X
Inactive
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1
1
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1
1
0
Inactive
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