參數(shù)資料
型號: DTMFDECODER-RD
廠商: Silicon Laboratories Inc
文件頁數(shù): 125/178頁
文件大?。?/td> 0K
描述: KIT REF DESIGN DTMF DECODER
應用說明: DTMF Decoder Ref Design AppNote
標準包裝: 1
主要目的: 電信,DTMF 解碼器
嵌入式:
已用 IC / 零件: C8051F300
主要屬性: 8kHz 采樣速率模數(shù)轉(zhuǎn)換器
次要屬性: 16 個 Goertzel 濾波器
已供物品: 板,軟件
產(chǎn)品目錄頁面: 627 (CN2011-ZH PDF)
相關產(chǎn)品: 336-1535-5-ND - IC 8051 MCU 8K FLASH 14-SOIC
C8051F300-GMR-ND - IC 8051 MCU 8K FLASH 11QFN
336-1245-ND - IC 8051 MCU 8K FLASH 11QFN
其它名稱: 336-1283
C8051F300/1/2/3/4/5
50
Rev. 2.9
SFR Definition 6.1.
Bits7–3: UNUSED. Read = 00000b; Write = don’t care.
Bit3:
REFSL: Voltage Reference Select.
This bit selects the source for the internal voltage reference.
0: VREF input pin used as voltage reference.
1: VDD used as voltage reference.
Bit2:
TEMPE: Temperature Sensor Enable Bit.
0: Internal Temperature Sensor off.
1: Internal Temperature Sensor on.
Bit1:
BIASE: Internal Analog Bias Generator Enable Bit. (Must be ‘1’ if using ADC).
0: Internal Bias Generator off.
1: Internal Bias Generator on.
Bit0:
UNUSED. Read = 0b. Write = don’t care.
R/W
Reset Value
REFSL
TEMPE
BIASE
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xD1
REF0CN: Reference Control Register
Table 6.1. External Voltage Reference Circuit Electrical Characteristics
VDD = 3.0 V; –40 to +85°C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Input Voltage Range
0
VDD
V
Input Current
Sample Rate = 500 ksps;
VREF = 3.0 V
12
A
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