AT90PWM81-16SN Atmel, AT90PWM81-16SN Datasheet - Page 271

• 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

22.3.2
Table 22-2.
22.3.3
22.3.4
22.4
7734P–AVR–08/10
Frequency
Maximum Speed vs. V
128 kHz
Watchdog Oscillator Accuracy
External Clock Drive Waveforms
External Clock Drive
Accuracy of Watchdog Oscillator
V
IL1
Figure 22-1.
Table 22-3.
Maximum frequency is depending on V
12MHz when V
4.5V and 5.5V.
V
Calibration Accuracy
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
IH1
t
CLCL
CLCL
±40%
CC
CC
External Clock Drive Waveforms
External Clock Drive
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one
clock cycle to the next
is contained between 2.7V and 4.5V and equals 16Mhz when V
CC.
As shown in
Min.
83
30
30
0
V
CC
=2.7-5.5V
Figure 22-2
Max.
1.6
1.6
12
2
, the Maximum Frequency equals
Min.
62
20
20
0
V
CC
=4.5-5.5V
AT90PWM81
CC
is contained between
Max.
0.5
0.5
16
2
Units
MHz
μs
μs
ns
ns
ns
%
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