ATmega406 Atmel Corporation, ATmega406 Datasheet - Page 223

• Manufacturer Part Number: ATmega406
• 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

29. Operating Circuit
2548E–AVR–07/06
Figure 29-1. Operating Circuit Diagram
Ci
Ci
Rsense
Rppi
Rnni
RT4
RT3
RT2
RT1
RN
RP
RP
RP
RP
RP
Rpi
Rni
R1
Ci
CP
CP
CP
CP
PVT
PV4
PV3
PV2
PV1
NV
PPI
PI
NI
NNI
PA4
PA3
PA2
PA1
PA0/ADC0
Rdf
OD
VREF
CREF
ATmega406
VREFGND
Rpc
OC
Rcf
SGND
OPC
Rpf
GND
VFET
RESET
XTAL1
XTAL2
VREG
BATT
V CC
PB0
PB1
PB2
PB3
PB4
SCK
SDA
CXTAL 2
CRESET
CXTAL2
Rled
Rled
Rled
Rled
Rled
CREG 1
CREG 2
ATmega406
RP1
RP2
100
100
+
-
SMB Clock
SMB Data
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