ATTINY24-15MZ Atmel, ATTINY24-15MZ Datasheet - Page 83
![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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13.9
13.9.1
7701D–AVR–09/10
Register Description
TCCR0A – Timer/Counter Control Register A
• Bits 7:6 – COM0A1:0: Compare Match Output A Mode
These bits control the output compare pin (OC0A) behavior. If one or both of the COM0A1:0
bits are set, the OC0A output overrides the normal port functionality of the I/O pin it is con-
nected to. However, note that the data direction register (DDR) bit corresponding to the OC0A
pin must be set in order to enable the output driver.
When OC0A is connected to the pin, the function of the COM0A1:0 bits depends on the
WGM02:0 bit setting.
WGM02:0 bits are set to a normal or CTC mode (non-PWM).
Table 13-2.
Table 13-3 on page 83
to fast PWM mode.
Table 13-3.
Note:
Bit
0x30 (0x50)
Read/Write
Initial Value
COM01
COM01
0
0
1
1
0
0
1
1
1. A special case occurs when OCR0A equals TOP and COM0A1 is set. In this case, the Com-
pare Match is ignored, but the set or clear is done at BOTTOM. See
page 77
COM0A1
Compare Output Mode, non-PWM Mode
Compare Output Mode, Fast PWM Mode
R/W
7
0
COM00
COM00
for more details.
0
1
0
1
0
1
0
1
Table 13-2 on page 83
shows the COM0A1:0 bit functionality when the WGM01:0 bits are set
COM0A0
R/W
6
0
Atmel ATtiny24/44/84 [Preliminary]
Description
Normal port operation, OC0A disconnected.
WGM02 = 0: Normal Port Operation, OC0A Disconnected.
WGM02 = 1: Toggle OC0A on Compare Match.
Clear OC0A on Compare Match, set OC0A at BOTTOM
(non-inverting mode)
Set OC0A on Compare Match, clear OC0A at BOTTOM
(inverting mode)
Description
Normal port operation, OC0A disconnected.
Toggle OC0A on Compare Match
Clear OC0A on Compare Match
Set OC0A on Compare Match
COM0B1
R/W
5
0
COM0B0
R/W
4
0
shows the COM0A1:0 bit functionality when the
R
3
–
0
(1)
R
2
0
–
WGM01
R/W
1
0
“Fast PWM Mode” on
WGM00
R/W
0
0
TCCR0A
83
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