參數(shù)資料
型號: ADUC847BSZ8-3
廠商: Analog Devices Inc
文件頁數(shù): 50/108頁
文件大小: 0K
描述: IC MCU FLASH W/24BIT ADC 52MQFP
標(biāo)準(zhǔn)包裝: 1
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 12.58MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PSM,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 34
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 10x24b; D/A 1x12b,2x16b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 52-QFP
包裝: 托盤
配用: EVAL-ADUC847QSZ-ND - KIT DEV QUICK START FOR ADUC847
ADuC845/ADuC847/ADuC848
Data Sheet
Rev. C | Page 46 of 108
SF (ADC SINC FILTER CONTROL REGISTER)
The SF register is used to configure the decimation factor for the ADC, and therefore, has a direct influence on the ADC throughput rate.
SFR Address:
D4H
Power-On Default:
45H
Bit Addressable:
No
Table 28. Sinc Filter SFR Bit Designations
SF.7
SF.6
SF.5
SF.4
SF.3
SF.2
SF.1
SF.0
0
1
0
1
0
1
The bits in this register set the decimation factor of the ADC. This has a direct bearing on the throughput rate of the ADC along with the
chop setting. The equations used to determine the ADC throughput rate are
Fadc (Chop On) =
SFword
×
×8
3
1
× 32.768 kHz
where SFword is in decimal.
Fadc (Chop Off) =
SFword
×
8
1
× 32.768 kHz
where SFword is in decimal.
Table 29. SF SFR Bit Examples
Chop Enabled (ADCMODE.3 = 0)
SF (Decimal)
SF (Hexadecimal)
Fadc (Hz)
Tadc (ms)
Tsettle (ms)
0D
105.3
9.52
19.04
69
45
19.79
50.53
101.1
82
52
16.65
60.06
120.1
255
FF
5.35
186.77
373.54
Chop Disabled (ADCMODE.3 = 1)
SF (Decimal)
SF (Hexadecimal)
Fadc (Hz)
Tadc (ms)
Tsettle (ms)
3
03
1365.3
0.73
2.2
69
45
59.36
16.84
50.52
82
52
49.95
20.02
60.06
255
FF
16.06
62.25
186.8
1
With chop enabled, if an SF word smaller than 13 is written to this SF register, the filter automatically defaults to 13.
During ADC calibration, the user-programmed value of SF word is used. The SF word does not default to the maximum setting (255) as it
did on previous MicroConverter products. However, for optimum calibration results, it is recommended that the maximum SF word be set.
相關(guān)PDF資料
PDF描述
VE-B4T-IW CONVERTER MOD DC/DC 6.5V 100W
AT91SAM9261B-CU-999 IC MCU ARM9 ULT LOW PWR 217LFBGA
VE-B4R-IX CONVERTER MOD DC/DC 7.5V 75W
ATMEGA128-16MUR MCU AVR 128KB FLASH 16MHZ 64QFN
VE-B4R-IW CONVERTER MOD DC/DC 7.5V 100W
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADUC847BSZ8-5 功能描述:IC MCU FLASH W/24BIT ADC 52MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA,UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位,LED,POR,PWM,WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB(4K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
ADUC848 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC848BCP32-3 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays
ADUC848BCP32-5 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays
ADUC848BCP62-3 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 3.3V 56LFCSP - Bulk