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ATmega32HVB датащи(PDF) 145 Page - ATMEL Corporation

номер детали ATmega32HVB
подробное описание детали  8-bit Microcontroller with 16K/32K Bytes In-System Programmable Flash
PDF  273 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega32HVB датащи(HTML) 145 Page - ATMEL Corporation

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145
8042A–AVR–07/09
ATmega16HVB/32HVB
24.7.8
BPCOCD – Battery Protection Charge-Over-current Detection Level Register
• Bits 7:0 –COCDL7:0: Charge Over-current Detection Level
These bits sets the R
SENSE voltage level for detection of Charge Over-current, as defined in
Table 24-5 on page 145.
Note:
Due to synchronization of parameters between clock domains, a guard time of 3 ULP oscillator
cycles + 3 CPU clock cycles is required between each time the BPCOCD register is written. Any
writing to the BPCOCD register during this period will be ignored.
24.7.9
BPDHCD – Battery Protection Discharge-High-current Detection Level Register
• Bits 7:0 – DHCDL7:0: Discharge High-current Detection Level
These bits sets the R
SENSE voltage level for detection of DischargeHigh-current, as defined in
Table 24-5 on page 145.
Note:
Due to synchronization of parameters between clock domains, a guard time of 3 ULP oscillator
cycles + 3 CPU clock cycles is required between each time the BPDHCD register is written. Any
writing to the BPDHCD register during this period will be ignored.
24.7.10
BPCHCD – Battery Protection Charge-High-current Detection Level Register
• Bits 7:0 –CHCDL7:0: Charge High-current Detection Level
These bits sets the R
SENSE voltage level for detection of Charge High-current, as defined in
Table 24-5 on page 145.
Note:
Due to synchronization of parameters between clock domains, a guard time of 3 ULP oscillator
cycles + 3 CPU clock cycles is required between each time the BPCHCD register is written. Any
writing to the BPCHCD register during this period will be ignored.
Bit
765
432
10
(0xF7)
COCDL[7:0]
BPCOCD
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
1
1
1
1
0
0
1
1
Bit
765
432
10
(0xF8)
DHCDL[7:0]
BPDHCD
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
1
1
1
1
0
0
1
1
Bit
765
4321
0
(0xF9)
CHCDL[7:0]
BPCHCD
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
111
1001
1
Table 24-5.
DL[7:0] with corresponding R
SENSE voltage levels for all Current Detection Level
Registers (BPSCD, BPDOCD, BPCOCD, BPDHCD, BPCHCD).
Current Protection Detection Levels
DL[7:0]
Min.
Typ. (mV)
Max.
0xF3
20
0xF4
25
0xF5
30



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