ATmega16HVA Atmel Corporation, ATmega16HVA Datasheet - Page 162

• Manufacturer Part Number: ATmega16HVA
• Manufacturer: Atmel Corporation

Specifications of ATmega16HVA

• Flash (kbytes): 16 Kbytes
• Pin Count: 28
• Max. Operating Frequency: 4 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 3
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 6
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 12
• Adc Speed (ksps): 1.9
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 256
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -20 to 85
• I/o Supply Class: 1.8 to 9.0
• Operating Voltage (vcc): 1.8 to 9.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

28. Operating Circuit
162
ATmega8HVA/16HVA
Figure 28-1. Operating Circuit Diagram, 2-cell.
Notes:
1. The series resistors on the SPI lines are required for In-System Programming and On-chip
2. PA1 should be connected to SGND when measuring V(RT
3. It is recommended to connect CF1P, CF2N, and CF2P to GND.
Debug support. The value of the series resistor depends on the application. A value of 10k will
ensure that programming and debugging operates correctly, but it must be determined by the
end user that this does not affect the normal operation of the SPI interface.
PA0 should be connected to SGND when measuring V(RT
Rsense
0.010
470
470
470
Rpi
100
Rni
100
RP
RP
RP
RT2
0.1uF
0.1uF
0.1uF
RT1
R1
10K
CP
CP
Ci
PV2
PV1
NV
PI
NI
PA1/ADC1/SGND
PA0/ADC0/SGND
VREF
ATmega8HVA/16HVA
CREF
1 uF
VREFGND
OC
Rcf
1k
VFET
GND
OD
Rdf
1k
RESET
BATT
CRESET
0.1 uF
Rbatt
1k
(MISO) PB3
(MOSI) PB2
(SCK) PB1
(SS) PB0
VREG
CF1N
VCC
PC0
2
1
).
).
CVCC
0.1 uF
Serial communication
CREG
2.2 uF
SPI-communication
8024A–AVR–04/08
+
-
BATT +
BATT -
(1)