ATTINY24-15MZ Atmel, ATTINY24-15MZ Datasheet - Page 27
![MCU AVR 2K FLASH 15MHZ 20-QFN](/photos/12/32/123214/20-qfn-pc_sml.jpg)
ATTINY24-15MZ
Manufacturer Part Number
ATTINY24-15MZ
Description
MCU AVR 2K FLASH 15MHZ 20-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY24-15MZ.pdf
(225 pages)
Specifications of ATTINY24-15MZ
Package / Case
20-QFN Exposed Pad
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
12
Eeprom Size
128 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
2KB (2K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Cpu Family
ATtiny
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Interface Type
SPI/UART
Total Internal Ram Size
128Byte
# I/os (max)
12
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
20
Package Type
QFN EP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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7.4
7701D–AVR–09/10
Crystal Oscillator
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be
configured for use as an On-chip Oscillator, as shown in Figure 7-2. Either a quartz crystal or
a ceramic resonator may be used.
C1 and C2 should always be equal for both crystals and resonators. The optimal value of the
capacitors depends on the crystal or resonator in use, the amount of stray capacitance, and
the electromagnetic noise of the environment. Some initial guidelines for choosing capacitors
for use with crystals are given in
values given by the manufacturer should be used.
Figure 7-2.
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by the fuses CKSEL3..1 as shown in
page
Table 7-3.
Notes:
The CKSEL0 Fuse together with the SUT1..0 Fuses select the start-up times as shown in
Table 7-4 on page
CKSEL3..1
100
101
110
111
27.
(1)
1. This option should not be used with crystals, only with ceramic resonators.
Crystal Oscillator Connections
Crystal Oscillator Operating Modes
28.
Frequency Range (MHz)
Atmel ATtiny24/44/84 [Preliminary]
0.4 - 0.9
0.9 - 3.0
3.0 - 8.0
8.0 -
Table 7-3 on page
C2
C1
Recommended Range for Capacitors C1 and
27. For ceramic resonators, the capacitor
XTAL2
XTAL1
GND
C2 for Use with Crystals (pF)
12 - 22
12 - 22
12 - 22
–
Table 7-3 on
27
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