ATTINY88-MMHR Atmel, ATTINY88-MMHR Datasheet - Page 173
![MCU AVR 8KB FLASH 12MHZ 28QFN](/photos/12/32/123209/28m1-vqfn_sml.jpg)
ATTINY88-MMHR
Manufacturer Part Number
ATTINY88-MMHR
Description
MCU AVR 8KB FLASH 12MHZ 28QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY48-MU.pdf
(302 pages)
Specifications of ATTINY88-MMHR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
24
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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17.10 ADC Accuracy Definitions
8008G–AVR–04/11
Where high ADC accuracy is required it is recommended to use ADC Noise Reduction Mode, as
described in
is above 1 MHz, or when the ADC is used for reading the internal temperature sensor, as
described in
bypass capacitors does reduce the need for using ADC Noise Reduction Mode
An n-bit single-ended ADC converts a voltage linearly between GND and V
(LSBs). The lowest code is read as 0, and the highest code is read as 2
Several parameters describe the deviation from the ideal behavior:
Figure 17-10. Offset Error
• Offset: The deviation of the first transition (0x000 to 0x001) compared to the ideal transition
(at 0.5 LSB). Ideal value: 0 LSB.
Output Code
Section 17.7 on page
Section 17.12 on page
Offset
Error
171. This is especially the case when system clock frequency
175. A good system design with properly placed, external
V
REF
Input Voltage
n
-1.
ATtiny48/88
Ideal ADC
Actual ADC
REF
in 2
n
steps
173
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