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参数资料
型号： ST62T00CN1
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO16
封装： PLASTIC, SSOP-16
文件页数： 15/100页
文件大小： 1713K
代理商： ST62T00CN1
ST6200C ST6201C ST6203C
21/100
CLOCK SYSTEM (Cont’d)
5.1.3
Low
Frequency
Auxiliary
Oscillator
(LFAO)
The Low Frequency Auxiliary Oscillator has three
main purposes. Firstly, it can be used to reduce
power consumption in non timing critical routines.
Secondly, it offers a fully integrated system clock,
without any external components. Lastly, it acts as
a backup oscillator in case of main oscillator fail-
ure.
This oscillator is available when the OSG ENA-
BLED option is selected in the option byte (refer to
the Option Bytes section of this document). In this
case, it automatically starts one of its periods after
the first missing edge of the main oscillator, what-
ever the reason for the failure (main oscillator de-
fective, no clock circuitry provided, main oscillator
switched off...). See Figure 11.
User code, normal interrupts, WAIT and STOP in-
structions, are processed as normal, at the re-
duced fLFAO frequency. The A/D converter accura-
cy is decreased, since the internal frequency is be-
low 1.2 MHz.
At power on, until the main oscillator starts, the re-
set delay counter is driven by the LFAO. If the
main oscillator starts before the 2048 cycle delay
has elapsed, it takes over.
The Low Frequency Auxiliary Oscillator is auto-
matically switched off as soon as the main oscilla-
tor starts.
5.1.4 Register Description
ADC CONTROL REGISTER (ADCR)
Address: 0D1h
—
Read/Write
Reset value: 0100 0000 (40h)
Bit 7:3, 1:0 = ADCR[7:3], ADCR[1:0] ADC Control
Register.
These bits are used to control the A/D converter (if
available on the device) otherwise they are not
used.
Bit 2 = OSCOFF Main Oscillator Off.
0: Main oscillator enabled
1: Main oscillator disabled
Note: The OSG must be enabled using the OS-
GEN option in the Option Byte, otherwise the OS-
COFF setting has no effect.
70
ADCR
7
ADCR
6
ADCR
5
ADCR
4
ADCR
3
OSC
OFF
ADCR
1
ADCR
0
1
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相关代理商/技术参数
参数描述
ST62T01CB3 功能描述:8位微控制器 -MCU ST6200C ST6201C ST6203C 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST62T01CB6 功能描述:8位微控制器 -MCU OTP EPROM 2K No Intf RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST62T01CB6 制造商:STMicroelectronics 功能描述:IC 8BIT MCU OTP 2K 62T01 DIP16
ST62T01CM3 功能描述:8位微控制器 -MCU ST6200C ST6201C ST6203C 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST62T01CM3/TR 功能描述:8位微控制器 -MCU 8B MCUS A/D CONVERTR TWO TIMER OSCILLATOR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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