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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉锛� | ATMEGA8HVA-4CKU |
| 寤犲晢锛� | Atmel |
| 鏂囦欢闋佹暩(sh霉)锛� | 7/196闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | MCU AVR 8K FLASH 4MHZ 36-LGA |
| 鐢�(ch菐n)鍝佸煿瑷撴ā濉婏細 | MCU Product Line Introduction megaAVR Introduction |
| 妯欐簴鍖呰锛� | 364 |
| 绯诲垪锛� | AVR® ATmega |
| 鏍稿績铏曠悊鍣細 | AVR |
| 鑺珨灏哄锛� | 8-浣� |
| 閫熷害锛� | 4MHz |
| 閫ｉ€氭€э細 | SPI |
| 澶栧湇瑷倷锛� | 娆犲妾㈡脯/寰╀綅锛孭OR锛孭WM锛學DT |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 7 |
| 绋嬪簭瀛樺劜鍣ㄥ閲忥細 | 8KB锛�4K x 16锛� |
| 绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 | 闁冨瓨 |
| EEPROM 澶у皬锛� | 256 x 8 |
| RAM 瀹归噺锛� | 512 x 8 |
| 闆诲 - 闆绘簮 (Vcc/Vdd)锛� | 1.8 V ~ 9 V |
| 鏁�(sh霉)鎿�(j霉)杞夋彌鍣細 | A/D 5x12b |
| 鎸暕鍣ㄥ瀷锛� | 澶栭儴 |
| 宸ヤ綔婧害锛� | -20°C ~ 85°C |
| 灏佽/澶栨锛� | 36-LGA |
| 鍖呰锛� | 鎵樼洡 |
| 閰嶇敤锛� | ATSTK600-ND - DEV KIT FOR AVR/AVR32 ATSTK500-ND - PROGRAMMER AVR STARTER KIT |
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104
8024A鈥揂VR鈥�04/08
ATmega8HVA/16HVA
19. Coulomb Counter - Dedicated Fuel Gauging Sigma-delta ADC
19.1
Features
Sampled System Coulomb Counter
Low Power Sigma-Delta ADC Optimized for Coulomb Counting
Instantaneous Current Output with 3.9 ms Conversion Time
鈥� 13 bit Resolution (including sign bit)
鈥� Interrupt on Instantaneous Current Conversion Complete
Accumulate Current Output
鈥� Programmable Conversion Time: 125/250/500/1000 ms
鈥� 18-bit Resolution (including sign bit)
鈥� Interrupt on Accumulation Current Conversion Complete
Regular Current Detection Mode
鈥� Programmable Sampling Interval: 250/500/1000/2000 ms
Input Voltage Range 卤 100mV
鈥� Allowing Measurement of 卤 10A @ 10 m
惟
Offset canceling by input polarity switching
19.2
Overview
ATmega8HVA/16HVA features a dedicated Sigma-Delta ADC (CC-ADC) optimized for Coulomb
Counting. By sampling the voltage across an external sense resistor R
SENSE, the CC-ADC is
used to track the flow of current going into and out of the battery cells.
Figure 19-1. Coulomb Counter Block Diagram
In normal conversion mode two different output values are provided, Instantaneous Current and
Accumulate Current. The Instantaneous Current Output has a short conversion time at the cost
Sigma Delta
modulator
Current
Comparator
Control &
Status
Registers
IRQ
8-BIT DATABUS
Regular
Current Level
Decimation
Filter
Decimation
Filter
IRQ
R
SENSE
PI
NI
Polarity
Switcher
Instantaneous
Current
Register
Accumulate
Current
Register
鐩搁棞PDF璩囨枡 |
PDF鎻忚堪 |
|---|---|
| ATSAM3N4AA-AU | MCU FLASH 48-QFP |
| ATSAM3SD8CA-CU | IC MCU 2X256KB CORTEX-M3 100-QFN |
| ATSAM3U1EB-CU | IC MCU 64KB CORTEX-M3 144-TFBGA |
| ATSAM3X8EA-CU | IC MCU 2X256KB CORTEX-M3 144-BGA |
| ATTINY12V-1SUR | IC AVR MCU 1K FLASH 4MHZ 8-SOIC |
鐩搁棞浠ｇ悊鍟�/鎶€琛撳弮鏁�(sh霉) |
鍙冩暩(sh霉)鎻忚堪 |
|---|---|
| ATMEGA8HVA-4CKUR | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 8KB FLSH 512B EE 1KB SRAM - 4 MHZ RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰ㄦ牸:SMD/SMT |
| ATMEGA8HVA-4TU | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 8KB, 512B EE 4MHz 1KB SRAM 1.8-9V RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰ㄦ牸:SMD/SMT |
| ATMEGA8HVA-4TUR | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 8KB FLSH 512B EE 1KB SRAM - 4 MHZ RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰ㄦ牸:SMD/SMT |
| ATMEGA8HVD-4MX | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 8KB, 512B EE 4MHz 1KB SRAM 2.1-8V RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰ㄦ牸:SMD/SMT |
| ATMEGA8L-8AC | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 8K FLASH 512B EE 1K SRAM ADC 3V RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰ㄦ牸:SMD/SMT |
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