ATTINY40-MMHR Atmel, ATTINY40-MMHR Datasheet - Page 121
ATTINY40-MMHR
Manufacturer Part Number
ATTINY40-MMHR
Description
MCU AVR 4KB FLASH 12MHZ 3X3 QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY40-MMHR.pdf
(216 pages)
Specifications of ATTINY40-MMHR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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15.13.5
15.13.6
8263A–AVR–08/10
DIDR0 – Digital Input Disable Register 0
PORTCR – Port Control Register
Table 15-6.
• Bits 7:0 – ADC7D:ADC0D: ADC[7:0] Digital Input Disable
When a bit is written logic one, the digital input buffer on the corresponding ADC pin is disabled.
The corresponding PIN register bit will always read as zero when this bit is set. When an analog
signal is applied to the ADC[7:0] pin 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.
• Bits 7:4 – ADC11D:ADC8D: ADC[11:8] Digital Input Disable
When a bit is written logic one, the digital input buffer on the corresponding ADC pin is disabled.
The corresponding PIN register bit will always read as zero when this bit is set. When an analog
signal is applied to the ADC[11:8] pin 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
0x0D
Read/Write
Initial Value
Bit
0x08
Read/Write
Initial Value
ADTS2
1
1
1
ADC Auto Trigger Source Selections (Continued)
ADC11D
ADC7D
R/W
R/W
7
0
7
0
ADC10D
ADC6D
ADTS1
R/W
R/W
6
0
6
0
0
1
1
ADC5D
ADC9D
R/W
R/W
5
0
5
0
ADC4D
ADC8D
R/W
R/W
ADTS0
4
0
4
0
1
0
1
ADC3D
R/W
R
3
0
3
–
0
Trigger Source
Timer/Counter1 Compare Match B
Timer/Counter1 Overflow
Timer/Counter1 Capture Event
ADC2D
BBMC
R/W
R/W
2
0
2
0
ADC1D
BBMB
R/W
R/W
1
0
1
0
ADC0D
BBMA
R/W
R/W
0
0
0
0
PORTCR
DIDR0
121
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