ATTINY24-15MZ Atmel, ATTINY24-15MZ Datasheet - Page 92
![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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14.2.2
14.2.3
92
Atmel ATtiny24/44/84 [Preliminary]
Definitions
Compatibility
The double buffered output compare registers (OCR1A/B) are compared with the timer/coun-
ter value at all times. The result of the compare can be used by the waveform generator to
generate a PWM or variable frequency output on the output compare pin (OC1A/B). See
put Compare Units” on page
flag (OCF1A/B) which can be used to generate an output compare interrupt request.
The input capture register can capture the timer/counter value at a given external (edge-trig-
gered) event on either the input capture pin (ICP1) or on the analog comparator pins (see
“Analog Comparator” on page
canceller) for reducing the chance of capturing noise spikes.
The top value, or maximum timer/counter value, can in some modes of operation be defined
by either the OCR1A register, the ICR1 register, or by a set of fixed values. When using
OCR1A as top value in a PWM mode, the OCR1A register cannot be used for generating a
PWM output. However, the top value will in this case be double buffered, allowing the top
value to be changed at run time. If a fixed top value is required, the ICR1 register can be used
as an alternative, freeing the OCR1A to be used as PWM output.
The following definitions are used extensively throughout the section:
The 16-bit Timer/Counter has been updated and improved from previous versions of the 16-bit
Atmel
sion regarding:
• All 16-bit Timer/Counter related I/O Register address locations, including Timer Interrupt
• Bit locations inside all 16-bit Timer/Counter Registers, including Timer Interrupt Registers.
• Interrupt Vectors.
The following control bits have changed name, but have same functionality and register
location:
• PWM10 is changed to WGM10.
• PWM11 is changed to WGM11.
• CTC1 is changed to WGM12.
The following bits are added to the 16-bit Timer/Counter Control Registers:
• 1A and 1B are added to TCCR1A.
• WGM13 is added to TCCR1B.
The 16-bit Timer/Counter has improvements that will affect the compatibility in some special
cases.
BOTTOM
MAX
TOP
Registers.
®
AVR
®
The counter reaches the BOTTOM when it becomes 0x0000.
The counter reaches its MAXimum when it becomes 0xFFFF (decimal 65535).
The counter reaches the TOP when it becomes equal to the highest value in the count
sequence. The top value can be assigned to be one of the fixed values: 0x00FF,
0x01FF, or 0x03FF, or to the value stored in the OCR1A or ICR1 register. The assign-
ment is dependent on the mode of operation.
Timer/Counter. This 16-bit Timer/Counter is fully compatible with the earlier ver-
99. The compare match event will also set the compare match
133). The input capture unit includes a digital filtering unit (noise
7701D–AVR–09/10
“Out-
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