AT90PWM1 Atmel Corporation, AT90PWM1 Datasheet - Page 256
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AT90PWM1
Manufacturer Part Number
AT90PWM1
Description
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM1-16SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT90PWM161-16MN
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT90PWM161-WN
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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24.2.2.1
24.2.2.2
256
AT90PWM1
Example 1
Example 2
Calculate the expected current consumption in idle mode with a 8 MHz Xtal oscillator feeding the
PLL to generate a 16 MHz clock further divided by 16 using the CLKPR at V
tem clock is thus 1 MHz. Peripherals and I/O are not active.
Reading from
0.7 mA and the prescaler will need 16*30= 0.48 mA as it is clocked at 16 MHz.
Reading from
V
The total current consumption in idle mode with the XTAL and the PLL gives:
Calculate the expected current consumption in active mode with a 4 MHz Xtal oscillator clock
further divided by 8 using the CLKPR at V
erals and I/O are not active.
Reading from
need 4*50= 0.2 mA as it is clocked at 4MHz.
Reading from
V
The total typical current consumption in active mode with the 4MHz XTAL gives:
CC
CC
= 3.0V and F = 1MHz.
=5.0V and F = 0.5MHz.
I
CC
total
I
CC
≈
0.125
total
Table
Table
Figure
Figure
≈
0.06
+
0.7
24-3, we find that the Xtal oscillator current is 0.06 mA and the prescaler will
24-3, we find that the Xtal oscillator current is 0.125 mA, the PLL current is
24-5, we find that the idle current consumption of the core is ~0,17mA at
+
24-1, we find that the idle current consumption of the core is ~0,6 mA at
+
0.2
0.48
+
0.6
+
0.17
≈
0.86mA
≈
1.475mA
CC
= 5.0V. The system clock is thus 0.5 MHz. Periph-
CC
= 3.0V. The sys-
4378C–AVR–09/08
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