AT90PWM316 Atmel Corporation, AT90PWM316 Datasheet - Page 235
AT90PWM316
Manufacturer Part Number
AT90PWM316
Description
Manufacturer
Atmel Corporation
Specifications of AT90PWM316
Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
27
Ext Interrupts
4
Usb Speed
No
Usb Interface
No
Spi
1
Uart
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
No
Crypto Engine
No
Sram (kbytes)
1
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
5
Output Compare Channels
16
Input Capture Channels
1
Pwm Channels
12
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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20.2.5
20.2.6
7710F–AVR–09/11
Digital Input Disable Register 0 – DIDR0
Digital Input Disable Register 1– DIDR1
This bit is cleared by hardware when the corresponding interrupt vector is executed in case the
AC1IE in AC1CON register is set. Anyway, this bit is cleared by writing a logical one on it.
This bit can also be used to synchronize ADC or DAC conversions.
• Bit 5– AC0IF: Analog Comparator 0 Interrupt Flag Bit
This bit is set by hardware when comparator 0 output event triggers off the interrupt mode
defined by AC0IS1 and AC0IS0 bits in AC0CON register.
This bit is cleared by hardware when the corresponding interrupt vector is executed in case the
AC0IE in AC0CON register is set. Anyway, this bit is cleared by writing a logical one on it.
This bit can also be used to synchronize ADC or DAC conversions.
• Bit 2– AC2O: Analog Comparator 2 Output Bit
AC2O bit is directly the output of the Analog comparator 2.
Set when the output of the comparator is high.
Cleared when the output comparator is low.
• Bit 1– AC1O: Analog Comparator 1 Output Bit
AC1O bit is directly the output of the Analog comparator 1.
Set when the output of the comparator is high.
Cleared when the output comparator is low.
• Bit 0– AC0O: Analog Comparator 0 Output Bit
AC0O bit is directly the output of the Analog comparator 0.
Set when the output of the comparator is high.
Cleared when the output comparator is low.
• Bit 3:2 – ACMPM and ACMP2D: ACMPM and ACMP2 Digital Input Disable
When this bit is written logic one, the digital input buffer on the corresponding Analog pin is dis-
abled. The corresponding PIN Register bit will always read as zero when this bit is set. When an
analog signal is applied to one of these pins and the digital input from this pin is not needed, this
bit should be written logic one to reduce power consumption in the digital input buffer.
• Bit 5, 2: ACMP0D and ACMP1 Digital Input Disable
When this bit is written logic one, the digital input buffer on the corresponding analog pin is dis-
abled. The corresponding PIN Register bit will always read as zero when this bit is set. When an
analog signal is applied to one of these pins and the digital input from this pin is not needed, this
bit should be written logic one to reduce power consumption in the digital input buffer.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
ADC7D
R/W
7
0
7
0
-
-
ADC6D
R/W
6
0
6
0
-
-
ACMP0D
ADC5D
R/W
R/W
5
0
5
0
AMP0PD
ADC4D
R/W
R/W
4
0
4
0
AMP0ND
ACMPM
ADC3D
R/W
R/W
3
0
3
0
ACMP2D
ACMP1D
ADC10D
ADC2D
AT90PWM216/316
R/W
R/W
2
0
2
0
AMP1PD
ADC1D
ADC9D
R/W
R/W
1
0
1
0
AMP1ND
ADC0D
ADC8D
R/W
R/W
0
0
0
0
DIDR0
DIDR1
235
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