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參數(shù)資料
| 型號： | MC68176 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 2-bit A/D Converter(2位A/D轉(zhuǎn)換器) |
| 中文描述： | 2位A / D轉(zhuǎn)換器（2位的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 21/29頁 |
| 文件大?。?/td> | 235K |
| 代理商： | MC68176 |
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Design Considerations
Application Design Considerations
Preliminary
MOTOROLA
MC68176 Technical Data Sheet
4-3
APPLICATION DESIGN CONSIDERATIONS
The FLEX chip IC connects to a receiver capable of converting a four-level audio
signal into a 2-bit digital signal with the MC68176 FLEX 2-bit D/ A. The FLEX chip IC
has eight receiver control lines used for warming up and shutting down a receiver in
stages, dual bandwidth control signals for two post detection filter bandwidths for
receiving the two symbol rates of the FLEX signal, and the ability to detect a low
battery signal during the receiver control sequences. It interfaces to a host MCU
through a standard SPI. It has a 38.4 kHz clock output capable of driving other
devices, in particular the MC68176. It has a 1 minute timer that offers low power
support for time of day function on the host.
Figure 4-1
shows a typical application
block diagram.
Figure 4-1
FLEX chip System Block Diagram
SPI
MC68175
FLEX chip
IC Decoder
Audio
38.4 kHz
Clock Out
RF
MC13141
MC13142
MMBR941
MC13150
MC3367
MC3374
MC68HC05xxHC08xx
MC68HC11/HC12/HC16xx
MC683xx/MPC5xx/8xx
DSP568xx
API
FLEXstack
Software
Data
Ready
Receiver
Control
76.8 kHz
Oscillator
Analog to
Digital
Converter
User
Interface
LNA
IF
Host
Microprocessor
AA0814
MC68176
2-bit A/D
Converter
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| MC68184 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Broadband Interface Controller |
| MC68185 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MC68185 Twisted-Pair Modem(TPM) |
| MC68194 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Carrier Band Modem(CBM) |
| MC68194FJ | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Carrier Band Modem(CBM) |
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