AT90PWM81-16SF Atmel, AT90PWM81-16SF Datasheet - Page 224
AT90PWM81-16SF
Manufacturer Part Number
AT90PWM81-16SF
Description
IC MCU AVR 8K FLASH ISP 20SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM81-16MN.pdf
(325 pages)
Specifications of AT90PWM81-16SF
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)
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
AT90PWM81-16SF
Manufacturer:
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Quantity:
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17.10 Amplifier Control Registers
17.10.1
224
AT90PWM81
Amplifier 0 Control and Status register – AMP0CSR
Figure 17-17. Amplifiers block diagram
If APMP0GS bit is set, the AMP0- input is open and PD5/AMP0- pin is free for another use. At the same
time the negative input of the Amplifier is internally grounded.
The configuration of the amplifier is controlled via the register AMP0CSR. Then the start of conversion is
done via the ADC control and status registers.
The conversion result is stored on ADCH and ADCL register which contain respectively the most signifi-
cant bits and the least significant bits.
Bit
Read/Write
Initial Value
• Bit 7 – AMP0EN: Amplifier 0 Enable Bit
Set this bit to enable the Amplifier 0.
Clear this bit to disable the Amplifier 0.
Clearing this bit while a conversion is running will take effect at the end of the conversion.
• Bit 6– AMP0IS: Amplifier 0 Input Shunt
Set this bit to short-circuit the Amplifier 0 input. If AMP0GS is set, the ground switch is released during
shunt of inputs.
Clear this bit to normally use the Amplifier 0.
AMP0+
AMP0-
7
AMP0EN
R/W
0
AMP0EN AMP0IS AMP0G1 AMP0G0
6
AMP0IS
R/W
0
no short
AMP0+ GND
Sampling
5
AMP0G1
R/W
0
Clock
4
AMP0G0
R/W
0
+
-
AMP0CSR
3
AMP0GS
-
0
00
01
10
1 1
AMP0GS
2
-
-
0
ADCK/8
PSCRASY
PSC2ASY
R/W
1
AMP0TS1
0
-
AMP0TS1 AMP0TS0
T oward ADC MUX
0
AMP0TS0
R/W
0
(AMP0)
7734P–AVR–08/10
AMP0CSR
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