ATTINY40-MMHR Atmel, ATTINY40-MMHR Datasheet - Page 26
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
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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The application software can write this register to change the oscillator frequency. The oscillator
can be calibrated to frequencies as specified in
Table 21-2, “Calibration Accuracy of Internal RC
Oscillator,” on page
167. Calibration outside the range given is not guaranteed.
The CAL[7:0] bits are used to tune the frequency of the oscillator. A setting of 0x00 gives the
lowest frequency, and a setting of 0xFF gives the highest frequency.
ATtiny40
26
8263A–AVR–08/10
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