AT90PWM161 Atmel Corporation, AT90PWM161 Datasheet - Page 225
AT90PWM161
Manufacturer Part Number
AT90PWM161
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT90PWM161.pdf
(325 pages)
Specifications of AT90PWM161
Flash (kbytes)
16 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
20
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
3
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
1
Output Compare Channels
8
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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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7734P–AVR–08/10
• Bit 5, 4– AMP0G1, 0: Amplifier 0 Gain Selection Bits
These 2 bits determine the gain of the amplifier 0.
The different setting are shown in
Table 17-7.
To ensure an accurate result, after the gain value has been changed, the amplifier input needs to have a
quite stable input value during at least 4 Amplifier synchronization clock periods.
• Bit 3– AMP0GS: Amplifier 0 Ground Select of AMP0
This bit select negative input of the amplifier:
Set this bit to ground the Amplifier 0 negative input.
Clear this bit to normally use the Amplifier 0 differential input.
• Bit 1, 0– AMP0TS1, AMP0TS0: Amplifier 0 Trigger Source Selection Bits
In accordance with the Table 17-8, these 2 bits select the event which will generate the trigger for the
amplifier 0. This trigger source is necessary to start the conversion on the amplified channel.
Table 17-8.
AMP0G1
0
0
1
1
AMP0TS1
0
0
1
1
Amplifier 0 Gain Selection
AMP0 Auto Trigger Source Selection
AMP0G0
0
1
0
1
AMP0TS0
0
1
0
1
Description
Gain 5
Gain 10
Gain 20
Gain 40
Table
Description
Auto synchronization on ADC Clock/8
Trig on PSCRASY
Trig on PSC2ASY
17-7.
AT90PWM81
225
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