参数资料
型号: DTMFDECODER-RD
厂商: Silicon Laboratories Inc
文件页数: 177/178页
文件大小: 0K
描述: KIT REF DESIGN DTMF DECODER
应用说明: DTMF Decoder Ref Design AppNote
标准包装: 1
主要目的: 电信,DTMF 解码器
嵌入式:
已用 IC / 零件: C8051F300
主要属性: 8kHz 采样速率模数转换器
次要属性: 16 个 Goertzel 滤波器
已供物品: 板,软件
产品目录页面: 627 (CN2011-ZH PDF)
相关产品: 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
其它名称: 336-1283
C8051F300/1/2/3/4/5
98
Rev. 2.9
SFR Definition 11.1.
Bit7:
UNUSED. Read = 0. Write = don’t care.
Bits 6–0: OSCICL: Internal Oscillator Calibration Register.
This register calibrates the internal oscillator period. The reset value for OSCICL defines the
internal oscillator base frequency. On C8051F300/1 devices, the reset value is factory cali-
brated to generate an internal oscillator frequency of 24.5 MHz.
R/W
Reset Value
Variable
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xB3
OSCICL: Internal Oscillator Calibration
SFR Definition 11.2.
Bits7–5: UNUSED. Read = 000b, Write = don't care.
Bit4:
IFRDY: Internal Oscillator Frequency Ready Flag.
0: Internal Oscillator is not running at programmed frequency.
1: Internal Oscillator is running at programmed frequency.
Bit3:
CLKSL: System Clock Source Select Bit.
0: SYSCLK derived from the Internal Oscillator, and scaled as per the IFCN bits.
1: SYSCLK derived from the External Oscillator circuit.
Bit2:
IOSCEN: Internal Oscillator Enable Bit.
0: Internal Oscillator Disabled.
1: Internal Oscillator Enabled.
Bits1–0: IFCN1-0: Internal Oscillator Frequency Control Bits.
00: SYSCLK derived from Internal Oscillator divided by 8.
01: SYSCLK derived from Internal Oscillator divided by 4.
10: SYSCLK derived from Internal Oscillator divided by 2.
11: SYSCLK derived from Internal Oscillator divided by 1.
R/W
R
R/W
Reset Value
IFRDY
CLKSL
IOSCEN
IFCN1
IFCN0
00010100
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xB2
OSCICN: Internal Oscillator Control
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