ATMEGA406-1AAU Atmel, ATMEGA406-1AAU Datasheet - Page 130

• Manufacturer Part Number: ATMEGA406-1AAU
• Description: IC AVR MCU 40K 1MHZ 48LQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA406-1AAU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 1MHz
• Connectivity: I²C
• Peripherals: POR, WDT
• Number Of I /o: 18
• Program Memory Size: 40KB (20K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 25 V
• Data Converters: A/D 10x12b
• Oscillator Type: Internal
• Operating Temperature: -30°C ~ 85°C
• Package / Case: 48-LQFP
• Processor Series: ATMEGA48x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: 2-Wire
• Maximum Clock Frequency: 1 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 30 C
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 1MHz
• Total Internal Ram Size: 2KB
• # I/os (max): 18
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 5/9/12/15/18/24V
• Operating Supply Voltage (max): 25V
• Operating Supply Voltage (min): 4V
• On-chip Adc: 10-chx12-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -30C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Controller Family/series: AVR MEGA
• No. Of I/o's: 18
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 2KB
• Cpu Speed: 1MHz
• Rohs Compliant: Yes
• For Use With: 770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22.7.4
22.7.5
130
ATmega406
BPOCD – Battery Protection Over-current Detection Level Register
BPSCD – Battery Protection Short-circuit Detection Level Register
• Bits 7:4 – DCDL3:0: Discharge Over-current Detection Level
These bits set the R
Table
Table 22-4.
• Bits 3:0 – CCDL3:0: Charge Over-current Detection Level
These bits set the R
22-5.
Table 22-5.
• Bit 7:4 – Res: Reserved Bits
These bits are reserved bits in the ATmega406 and will always read as zero.
• Bits 3:0 – SCDL3:0: Short-circuit Detection Level
These bits set the RSENSE voltage level for detection of Short-circuit in the discharge direction,
as defined in
Bit
(0xF5)
Read/Write
Initial Value
Bit
(0xF4)
Read/Write
Initial Value
DCDL[3:0]
CCDL[3:0]
0000
0001
0010
0011
0000
0001
0010
0011
22-4.
Table 22-6 on page
DCDL[3:0] with Corresponding R
tion Level
CCDL[3:0] with Corresponding R
Level
0.050V
0.055V
0.060V
0.065V
0.050V
0.055V
0.060V
0.065V
R/W
Typ
Typ
R
7
0
7
–
0
SENSE
SENSE
Discharge Over-current Protection Detection Level
Charge Over-current Protection Detection Level
R/W
DCDL[3:0]
CCDL[3:0]
voltage level for detection of Charge Over-current, as defined in
R
6
0
6
–
0
voltage level for detection of Discharge Over-current, as defined in
DCDL[3:0]
0100
0101
0110
0111
0100
0101
0110
0111
131.
R/W
R
5
–
0
5
0
0.070V
0.080V
0.090V
0.100V
0.070V
0.080V
0.090V
0.100V
Typ
Typ
R/W
R
4
0
4
–
0
SENSE
SENSE
DCDL[3:0]
CCDL[3:0]
R/W
R/W
1000
1001
1010
1011
1000
1001
1010
1011
Voltage for Charge Over-current Detection
Voltage for Discharge Over-current Detec-
3
0
3
0
R/W
R/W
2
0
2
0
CCDL[3:0]
0.110V
0.120V
0.130V
0.140V
0.110V
0.120V
0.130V
0.140V
SCDL[3:0]
Typ
Typ
R/W
R/W
1
0
1
0
DCDL[3:0]
CCDL[3:0]
1100
1101
1110
1111
1100
1101
1110
1111
R/W
R/W
0
0
0
0
2548E–AVR–07/06
0.160V
0.180V
0.200V
0.220V
0.160V
0.180V
0.200V
0.220V
BPOCD
BPSCD
Typ
Typ
Table