參數(shù)資料
型號: C8051F007-GQR
廠商: Silicon Laboratories Inc
文件頁數(shù): 171/171頁
文件大?。?/td> 0K
描述: IC 8051 MCU 32K FLASH 32LQFP
產(chǎn)品培訓模塊: Serial Communication Overview
標準包裝: 500
系列: C8051F00x
核心處理器: 8051
芯體尺寸: 8-位
速度: 25MHz
連通性: SMBus(2 線/I²C),SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 8
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
數(shù)據(jù)轉換器: A/D 4x12b; D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-LQFP
包裝: 帶卷 (TR)
配用: 336-1188-ND - DEV KIT FOR F005/006/007
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
14. OSCILLATOR
Each MCU includes an internal oscillator and an external oscillator drive circuit, either of which can generate the
system clock. The MCUs boot from the internal oscillator after any reset. The internal oscillator starts up instantly.
It can be enabled/disabled and its frequency can be changed using the Internal Oscillator Control Register
(OSCICN) as shown in Figure 14.2. The internal oscillator’s electrical specifications are given in Table 14.1.
Both oscillators are disabled when the /RST pin is held low. The MCUs can run from the internal oscillator or
external oscillator, and switch between the two at will using the CLKSL bit in the OSCICN Register. The external
oscillator requires an external resonator, parallel-mode crystal, capacitor, or RC network connected to the
XTAL1/XTAL2 pins (see Figure 14.1). The oscillator circuit must be configured for one of these sources in the
OSCXCN register. An external CMOS clock can also provide the system clock via overdriving the XTAL1 pin.
The XTAL1 and XTAL2 pins are 3.6V (not 5V) tolerant. The external oscillator can be left enabled and running
even when the MCU has switched to using the internal oscillator.
Figure 14.1. Oscillator Diagram
OSC
Internal Clock
Generator
SYSCLK
Input
Circuit
OSCXCN
EN
X
T
LV
LD
XO
SC
MD2
XO
SC
MD1
XO
SC
MD0
XF
CN
2
XF
CN
1
XF
CN
0
OSCICN
M
SCL
K
E
IF
R
D
Y
CL
KS
L
IO
SC
E
N
IFC
N
1
IFC
N
0
XTAL1
XTAL2
opt. 1
opt. 2
opt. 4
opt. 3
XTAL1
XTAL2
XTAL1
AV+
AGND
VDD
AV+
99
Rev. 1.7
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相關代理商/技術參數(shù)
參數(shù)描述
C8051F007R 功能描述:8位微控制器 -MCU C +-12Bit 48Pin 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 安裝風格:SMD/SMT
C8051F007-W 制造商:Silicon Laboratories Inc 功能描述:
C8051F010 功能描述:8位微控制器 -MCU 32KB 10ADC 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 安裝風格:SMD/SMT
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 安裝風格:SMD/SMT
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