ATmega406 Atmel Corporation, ATmega406 Datasheet - Page 130
ATmega406
Manufacturer Part Number
ATmega406
Description
Manufacturer
Atmel Corporation
Specifications of ATmega406
Flash (kbytes)
40 Kbytes
Pin Count
48
Max. Operating Frequency
1 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
18
Ext Interrupts
4
Usb Speed
No
Usb Interface
No
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
12
Adc Speed (ksps)
1.9
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-30 to 85
I/o Supply Class
4.0 to 25
Operating Voltage (vcc)
4.0 to 25
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
3
Pwm Channels
2
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega406-1AAU
Manufacturer:
AT
Quantity:
20 000
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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
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