參數(shù)資料
型號: DTMFDECODER-RD
廠商: Silicon Laboratories Inc
文件頁數(shù): 129/178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)轉換器
次要屬性: 16 個 Goertzel 濾波器
已供物品: 板,軟件
產品目錄頁面: 627 (CN2011-ZH PDF)
相關產品: 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
54
Rev. 2.9
SFR Definition 7.2.
Bits7–6: UNUSED. Read = 00b, Write = don’t care.
Bits6–4: CMX0N1–CMX0N0: Comparator0 Negative Input MUX Select.
These bits select which Port pin is used as the Comparator0 negative input.
Bits3–2: UNUSED. Read = 00b, Write = don’t care.
Bits1–0: CMX0P1–CMX0P0: Comparator0 Positive Input MUX Select.
These bits select which Port pin is used as the Comparator0 positive input.
R/W
Reset Value
CMX0N1 CMX0N0
CMX0P1 CMX0P0 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0x9F
CMX0N1 CMX0N0
Negative Input
00
P0.1
01
P0.3
10
P0.5
11
P0.7
CMX0P1 CMX0P0
Positive Input
00
P0.0
01
P0.2
10
P0.4
11
P0.6
CPT0MX: Comparator0 MUX Selection
SFR Definition 7.3.
Bits7–2: UNUSED. Read = 000000b, Write = don’t care.
Bits1–0: CP0MD1–CP0MD0: Comparator0 Mode Select.
These bits select the response time for Comparator0.
R/W
Reset Value
CP0MD1
CP0MD0 00000010
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0x9D
Mode
CP0MD1
CP0MD0
CP0 Response Time (TYP)
0
Fastest Response Time
101
210
3
1
Lowest Power Consumption
CPT0MD: Comparator0 Mode Selection
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