參數(shù)資料
型號： C8051F010
廠商： Cygnal Technologies
英文描述： 20 MIPS,32k Flash,256 Ram,10bit ADC,64 Pin MCU(20 MIPS,32k 閃速存儲器,256 Ram,10位 ADC,64 腳 MCU)
中文描述： 20 MIPS的，32K閃存，256羊，10位ADC，64引腳微控制器（20 MIPS的，32K的閃速存儲器，256，羊，10位ADC和64腳微控制器）
文件頁數(shù)： 100/170頁
文件大?。?/td> 1294K
代理商： C8051F010
Page 100
CYGNAL Integrated Products, Inc.
2001
4.2001; Rev. 1.3
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
PRELIMINARY
Figure 14.3. OSCXCN: External Oscillator Control Register
R
R/W
R/W
R/W
R/W
-
Bit3
R/W
XFCN2
Bit2
R/W
XFCN1
Bit1
R/W
XFCN0
Bit0
Reset Value
00110000
SFR Address:
0xB1
XTLVLD
Bit7
XOSCMD2
Bit6
XOSCMD1
Bit5
XOSCMD0
Bit4
Bit7:
XTLVLD: Crystal Oscillator Valid Flag
(Valid only when XOSCMD = 1xx.)
0: Crystal Oscillator is unused or not yet stable
1: Crystal Oscillator is running and stable (should read 1ms after Crystal Oscillator is
enabled to avoid transient condition).
Bits6-4: XOSCMD2-0: External Oscillator Mode Bits
00x: Off. XTAL1 pin is grounded internally.
010: System Clock from External CMOS Clock on XTAL1 pin.
011: System Clock from External CMOS Clock on XTAL1 pin divided by 2.
10x: RC/C Oscillator Mode with divide by 2 stage.
110: Crystal Oscillator Mode
111: Crystal Oscillator Mode with divide by 2 stage.
Bit3:
RESERVED. Read = undefined, Write = don’t care
Bits2-0: XFCN2-0: External Oscillator Frequency Control Bits
000-111: see table below
XFCN
Crystal (XOSCMD = 11x) RC (XOSCMD = 10x)
000
f
≤
12.5kHz
001
12.5kHz < f
≤
30.3kHz
010
30.35kHz < f
≤
93.8kHz
011
93.8kHz < f
≤
267kHz
100
267kHz < f
≤
722kHz
101
722kHz < f
≤
2.23MHz
110
2.23MHz < f
≤
6.74MHz
111
f > 6.74MHz
CRYSTAL MODE
(Circuit from Figure 14.1, Option 1; XOSCMD = 11x)
Choose XFCN value to match the crystal frequency.
RC MODE
(Circuit from Figure 14.1, Option 2; XOSCMD = 10x)
Choose oscillation frequency range where:
f = 1.23(10
3
) / (R * C)
, where
f = frequency of oscillation in MHz
C = capacitor value in pF
R = Pull-up resistor value in k
C MODE
(Circuit from Figure 14.1, Option 3; XOSCMD = 10x)
Choose K Factor (KF) for the oscillation frequency desired:
f = KF / (C * AV+)
, where
f = frequency of oscillation in MHz
C = capacitor value on XTAL1, XTAL2 pins in pF
AV+ = Analog Power Supply on MCU in volts
C (XOSCMD = 10x)
K Factor = 0.44
K Factor = 1.4
K Factor = 4.4
K Factor = 13
K Factor = 38
K Factor = 100
K Factor = 420
K Factor = 1400
f
≤
25kHz
25kHz < f
≤
50kHz
50kHz < f
≤
100kHz
100kHz < f
≤
200kHz
200kHz < f
≤
400kHz
400kHz < f
≤
800kHz
800kHz < f
≤
1.6MHz
1.6MHz < f
≤
3.2MHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
C8051F010DK 功能描述:開發(fā)板和工具包 - 8051 Dev Kit for F010-12 RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓:
C8051F010-GQ 功能描述:8位微控制器 -MCU 32KB 10ADC 64P MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
C8051F010-GQR 功能描述:8位微控制器 -MCU 32KB 10ADC 64Pin MCU Tape and Reel RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
C8051F010R 功能描述:8位微控制器 -MCU C 10Bit 64Pin RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
C8051F010TB 功能描述:開發(fā)板和工具包 - 8051 With C8051F010 MCU RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓:
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