ATMEGA8HVA-4TU Atmel, ATMEGA8HVA-4TU Datasheet - Page 132
![MCU AVR 8K FLASH 4MHZ 28-TSOP](/photos/7/21/72191/313-28-tsop_sml.jpg)
ATMEGA8HVA-4TU
Manufacturer Part Number
ATMEGA8HVA-4TU
Description
MCU AVR 8K FLASH 4MHZ 28-TSOP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA8HVA-4TU
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 9 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
28-TSOP
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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23.9.9
23.9.10
132
ATmega8HVA/16HVA
BPDHCD – Battery Protection Discharge-High-current Detection Level Register
BPCHCD – Battery Protection Charge-High-current Detection Level Register
• Bits 7:0 – DHCDL7:0: Discharge High-current Detection Level
These bits sets the R
Table 23-5 on page
Note:
• Bits 7:0 –CHCDL7:0: Charge High-current Detection Level
These bits sets the R
Table 23-5 on page
Note:
Table 23-5.
Bit
(0xF8)
Read/Write
Initial Value
Bit
(0xF9)
Read/Write
Initial Value
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.
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.
DL[7:0]
0xFB
0xFC
0xFD
0xF3
0xF4
0xF5
0xF6
0xF7
0xF8
0xF9
0xFA
DL[7:0] with corresponding R
(R
R/W
R/W
SENSE
7
1
7
1
132.
132.
SENSE
SENSE
= 10 mΩ, VREF = 1.100 ± 0.005V, T
R/W
R/W
6
1
6
1
voltage level for detection of Discharge High-current, as defined in
voltage level for detection of Charge High-current, as defined in
Current Protection Detection Level
Min.
R/W
R/W
5
1
5
1
R/W
R/W
SENSE
4
1
4
1
DHCDL[7:0]
CHCDL[7:0]
Current for all Current Detection Levels
R/W
R/W
3
0
3
0
Typ.
2.0A
2.5A
3.0A
3.5A
4.0A
4.5A
5.0A
5.5A
6.0A
6.5A
7.0A
A
= -10°C to 70°C)
R/W
R/W
2
0
2
0
R/W
R/W
1
1
1
1
R/W
R/W
0
1
0
1
Max.
8024A–AVR–04/08
BPDHCD
BPCHCD
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