ATMEGA406-1AAU Atmel, ATMEGA406-1AAU Datasheet - Page 131

• 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

22.7.6
2548E–AVR–07/06
BPDUV – Battery Protection Deep Under Voltage Register
Table 22-6.
• Bit 7:6 – Res: Reserved Bits
These bits are reserved bits in the ATmega406 and will always read as zero.
• Bits 5:4 – DUVT1:0: Deep Under-voltage Timing
These bits set the Deep Under-voltage Protection delay.
Table 22-7.
• Bits 3:0 – DUDL3:0: Deep Under-voltage Detection Level
These bits set the Deep Under-voltage detection level.
Table 22-8.
Bit
(0xF3)
Read/Write
Initial Value
DUVT1:0
00
01
10
11
DUDL[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
SCDL[3:0]
0000
0001
0010
0011
SCDL[3:0] with Corresponding R
DUVT[1:0] with Corresponding Deep Under-voltage Delay
DUDL[3:0] with Corresponding Deep Under-voltage Detection Level
0.100V
0.110V
0.120V
0.130V
Typ
R
7
–
0
SCDL[3:0]
R
6
–
0
0100
0101
0110
0111
Short-circuit Protection Detection Level
Deep Under-voltage Delay
750 ms
1000 ms
1250 ms
1500 ms
Typ
4.71V
5.03V
5.34V
5.66V
5.97V
6.29V
6.60V
6.91V
R/W
5
0
DUVT[1:0]
0.140V
0.160V
0.180V
0.200V
Typ
R/W
4
0
SENSE
DUDL[3:0]
1000
1001
1010
1011
1100
1101
1110
1111
SCDL[3:0]
R/W
1000
1001
1010
1011
Voltage for Short-circuit Detection Level
3
0
R/W
2
0
DUDL[3:0]
0.220V
0.240V
0.260V
0.280V
Typ
R/W
1
0
ATmega406
SCDL[3:0]
1100
1101
1110
1111
Typ
7.23V
7.54V
7.86V
8.17V
8.49V
8.80V
9.11V
9.43V
R/W
0
0
0.320V
0.360V
0.400V
0.440V
BPDUV
Typ
131