ATMEGA406-1AAU Atmel, ATMEGA406-1AAU Datasheet - Page 230

• 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

Figure 30-3. Two-wire Serial Bus Timing
30.5
Table 30-2.
Notes:
Table 30-3.
Note:
Table 30-4.
Note:
230
SCL
SDA
Symbol
Symbol
Symbol
V
V
t
V
RST
V
V
V
COT
RST
PVIT
ROT
CHT
ROT
Reset Characteristics
1. Power-on Reset is issued when a charger is connected and the regulator has stable work conditions.
2. Values based on characterization.
Internal Voltage Regulator must be on.
Internal Voltage Regulator must be on.
t
ATmega406
SU;STA
(2)
Characteristics for Powering-up the LDO
Power-on Reset Characteristics
External Reset Characteristics
Parameter
RESET Pin Threshold Voltage
Minimum pulse width on RESET Pin
Parameter
Charger-on Thresholt Voltage
Parameter
Regulator Power-on Threshold
Charge Voltage Threshold
Regulator Power-on Threshold
Voltage Threshold on Battery Cell 1
t
HD;STA
t
t
of
LOW
t
HIGH
t
HD;DAT
No Charger Present
Charger Present
(1)
Regulator must operate
t
LOW
Condition
V
Condition
REG
= 3.3V
t
SU;DAT
Min
3.0
3.0
0.66
Min
Min
6
Typ
1.0
2.0
Typ
900
Typ
7
t
SU;STO
Max
4.0
4.0
t
r
Max
Max
2.8
8
2548E–AVR–07/06
Units
Units
Units
t
V
V
V
V
BUF
ns
V
V