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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ATmega32HVB датащи(PDF) 233 Page - ATMEL Corporation |
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ATmega32HVB датащи(HTML) 233 Page - ATMEL Corporation |
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233 / 273 page  233 8042A–AVR–07/09 ATmega16HVB/32HVB 32.9 Cell Balancing Characteristic 32.10 Battery Protection Characteristics Notes: 1. Value includes drift in the internal Voltage Reference after VREF factory calibration. 2. Levels in charge and discharge direction can be configured independent of each other. 32.11 External Interrupt Characteristics Table 32-9. TA= 25°C unless otherwise noted. Parameter Condition Min Typ Max Unit Balancing Current Battery cell Voltage VCELL =4.2V, V-ADC filter resistance=470 Ω 4mA Table 32-10. T A= -40 to 85°C unless otherwise noted. Symbol Parameter Condition Min Typ Max Unit VSCD=VNNI-VPPI Short Circuit Detection level accuracy(1)(2) V SCD=20mV (min level) 14 20 26 mV VSCD=150mV 130 150 170 VSCD=310mV(max) 280 310 340 V COCD=VPPI-VNNI, VDOCD=VNNI-VPPI Charge/Discharge Over Current Detection level accuracy(1)(2) V COCD,DOCD=20mV (min level) 15 20 25 VCOCD,DOCD=150mV 130 150 170 VCOCD,DOCD=310mV(max) 280 310 340 V CHCD=VPPI-VNNI, VDHCD=VNNI-VPPI Charge/Discharge High Current Detection Detection level accuracy(1)(2) V CHCD,DHCD=20mV (min level) 15 20 25 VCHCD,DHOCD=150mV 130 150 170 VCHCD,DHCD=310mV(max) 280 310 340 Table 32-11. Asynchronous External Interrupt Characteristics Symbol Parameter Condition Min Typ Max Units tINT Minimum pulse width for asynchronous external interrupt 50 ns |
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