參數(shù)資料
型號(hào): MD80C52EXXX-16SBD
廠商: ATMEL CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
封裝: 0.600 INCH, CERAMIC, DIP-40
文件頁(yè)數(shù): 14/198頁(yè)
文件大?。?/td> 4822K
代理商: MD80C52EXXX-16SBD
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)當(dāng)前第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)第146頁(yè)第147頁(yè)第148頁(yè)第149頁(yè)第150頁(yè)第151頁(yè)第152頁(yè)第153頁(yè)第154頁(yè)第155頁(yè)第156頁(yè)第157頁(yè)第158頁(yè)第159頁(yè)第160頁(yè)第161頁(yè)第162頁(yè)第163頁(yè)第164頁(yè)第165頁(yè)第166頁(yè)第167頁(yè)第168頁(yè)第169頁(yè)第170頁(yè)第171頁(yè)第172頁(yè)第173頁(yè)第174頁(yè)第175頁(yè)第176頁(yè)第177頁(yè)第178頁(yè)第179頁(yè)第180頁(yè)第181頁(yè)第182頁(yè)第183頁(yè)第184頁(yè)第185頁(yè)第186頁(yè)第187頁(yè)第188頁(yè)第189頁(yè)第190頁(yè)第191頁(yè)第192頁(yè)第193頁(yè)第194頁(yè)第195頁(yè)第196頁(yè)第197頁(yè)第198頁(yè)
110
8111C–MCU Wireless–09/09
AT86RF231
9.4
Voltage Regulators (AVREG, DVREG)
The main features of the Voltage Regulator blocks are:
Bandgap stabilized 1.8V supply for analog and digital domain
Low dropout (LDO) voltage regulator
Configurable for usage of external voltage regulator
9.4.1
Overview
The internal voltage regulators supply a stabilized voltage to the AT86RF231. The AVREG pro-
vides the regulated 1.8V supply voltage for the analog section and the DVREG supplies the 1.8V
supply voltage for the digital section.
A simplified schematic of the internal voltage regulator is shown in Figure 9-5 on page 110.
Figure 9-5.
Simplified Schematic of AVREG/DVREG
The voltage regulators require bypass capacitors for stable operation. The value of the bypass
capacitors determine the settling time of the voltage regulators. The bypass capacitors shall be
placed as close as possible to the pins and shall be connected to ground with the shortest possi-
ble traces.
9.4.2
Configuration
The voltage regulators can be configured by the register 0x10 (VREG_CTRL).
It is recommended to use the internal regulators, but it is also possible to supply the low voltage
domains by an external voltage supply. For this configuration, the internal regulators need to be
switched off by setting the register bits to the values AVREG_EXT = 1 and DVREG_EXT = 1. A
regulated external supply voltage of 1.8V needs to be connected to the pins 13, 14 (DVDD) and
pin 29 (AVDD). When turning on the external supply, ensure a sufficiently long stabilization time
before interacting with the AT86RF231.
9.4.3
Data Interpretation
The status bits AVDD_OK = 1 and DVDD_OK = 1 of register 0x10 (VREG_CTRL) indicate an
enabled and stable internal supply voltage. Reading value 0 indicates a disabled or internal sup-
ply voltage not settled to the final value.
Bandgap
voltage
reference
1.25V
AVDD,
DVDD
(D)EVDD
相關(guān)PDF資料
PDF描述
MD80C52EXXX-20SB 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CDIP40
MQ80C32E-36SC 8-BIT, 36 MHz, MICROCONTROLLER, CQFP44
MR80C52XXX-20:R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
MQ80C32E-30/883 8-BIT, 30 MHz, MICROCONTROLLER, CQFP44
MR80C52CXXX-16/883R 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQCC44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MD80C86 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MD80C862 制造商:Intel 功能描述:PROCESSOR:MICRO-PROCESSOR
MD80C86-2 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MD80C86-2/883 制造商:Intersil Corporation 功能描述:MPU 16BIT CMOS 8MHZ 40CDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:CPU 16BILT 5V CMOS 8MHZ 40CDIP - Bulk
MD80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 16BIT CMOS 8MHZ 40CDIP - Rail/Tube