AT90PWM1 Atmel Corporation, AT90PWM1 Datasheet - Page 241

• Manufacturer Part Number: AT90PWM1
• Manufacturer: Atmel Corporation

Specifications of AT90PWM1

• Flash (kbytes): 8 Kbytes
• Pin Count: 24
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 19
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 2
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 105
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 12
• Input Capture Channels: 1
• Pwm Channels: 7
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

23.3
23.3.1
Table 23-1.
23.3.2
23.3.3
4378C–AVR–09/08
Factory
Calibration
User
Calibration
5. Minimum V
6. The Analog Comparator Propogation Delay equals 1 comparator clock plus 30 nS.
External Clock Drive Characteristics
Calibrated Internal RC Oscillator Accuracy
External Clock Drive Waveforms
External Clock Drive
for comparator clock definition.
Calibration Accuracy of Internal RC Oscillator
CC
V
IL1
for Power-down is 2.5V.
Figure 23-1. External Clock Drive Waveforms
Table 23-2.
V
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
IH1
t
CLCL
CLCL
7.3 - 8.1 MHz
Frequency
8.0 MHz
Parameter
Oscillator
Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period
from one clock
cycle to the next
External Clock Drive
2.7V - 5.5V
V
3V
Min.
CC
250
100
100
V
0
CC
=1.8-5.5V
Max.
2.0
2.0
4
2
Min.
Temperature
100
-40°C - 85°C
V
40
40
0
CC
25°C
=2.7-5.5V
See “Analog Comparator” on page 176.
Max.
1.6
1.6
10
2
Min.
V
50
20
20
0
Calibration Accuracy
CC
AT90PWM1
=4.5-5.5V
Max.
±10%
±1%
0.5
0.5
20
2
Units
MHz
ns
ns
ns
μs
μs
%
241