AT90PWM81-16SN Atmel, AT90PWM81-16SN Datasheet - Page 294

• Manufacturer Part Number: AT90PWM81-16SN
• Description: IC MCU AVR 8K FLASH ISP 20SOIC
• Manufacturer: Atmel
• Series: AVR® 90PWM Lightingr

Specifications of AT90PWM81-16SN

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI
• Peripherals: Brown-out Detect/Reset, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SOIC (7.5mm Width)
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI
• Maximum Clock Frequency: 16 MHz
• Number Of Timers: 1
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• On-chip Dac: 10 bit, 1 Channel
• Height: 2.35 mm
• Length: 13 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 7.6 mm
• For Use With: ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

23.10 Internal Oscillator Speed
294
AT90PWM81
Figure 23-26. VREF Voltage vs. Temperature
Figure 23-27. Watchdog Oscillator Frequency vs. V
0.135
0.125
0.115
0.105
0.14
0.13
0.12
0.11
0.1
2.65
2.55
2.45
2.35
2.6
2.5
2.4
2.7
-40 -30 -20 -10
WATCHDOG OSCILLATOR FREQUENCY vs. OPERATING VOLTAGE
3.2
0
10
INTERNAL VREF vs TEMPERATURE
3.7
20
Temperature (°C)
30
V
40
CC
CC
[V]
4.2
50
60
70
4.7
80
90
100 110 120
5.2
7734P–AVR–08/10
2.7V
5.5V
125°C
105°C
-40°C
25°C