ATTINY88-15MZ Atmel, ATTINY88-15MZ Datasheet - Page 167
ATTINY88-15MZ
Manufacturer Part Number
ATTINY88-15MZ
Description
IC MCU AVR 8B 8KB FLASH 32QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY88-15MZ.pdf
(246 pages)
Specifications of ATTINY88-15MZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
28
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY88-15MZ
Manufacturer:
ATMEL
Quantity:
3 500
Part Number:
ATTINY88-15MZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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17.5
9157B–AVR–01/10
Prescaling and Conversion Timing
Figure 17-2. ADC Auto Trigger Logic
Using the ADC Interrupt Flag as a trigger source makes the ADC start a new conversion as soon
as the ongoing conversion has finished. The ADC then operates in Free Running mode, con-
stantly sampling and updating the ADC Data Register. The first conversion must be started by
writing a logical one to the ADSC bit in ADCSRA. In this mode the ADC will perform successive
conversions independently of whether the ADC Interrupt Flag, ADIF is cleared or not.
If Auto Triggering is enabled, single conversions can be started by writing ADSC in ADCSRA to
one. ADSC can also be used to determine if a conversion is in progress. The ADSC bit will be
read as one during a conversion, independently of how the conversion was started.
The successive approximation circuitry requires an input clock frequency between 50 kHz and
200 kHz to get maximum resolution.
Figure 17-3. ADC Prescaler
ADSC
SOURCE n
ADIF
SOURCE 1
.
.
.
.
START
ADEN
ADTS[2:0]
ADPS0
ADPS1
ADPS2
CK
DETECTOR
EDGE
Reset
ADATE
7-BIT ADC PRESCALER
ADC CLOCK SOURCE
ATtiny88 Automotive
START
CONVERSION
PRESCALER
LOGIC
CLK
ADC
167
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