ATTINY24-20MU Atmel, ATTINY24-20MU Datasheet - Page 89
![IC MCU AVR 2K FLASH 20MHZ 20-QFN](/photos/6/87/68751/313-20-qfn_sml.jpg)
ATTINY24-20MU
Manufacturer Part Number
ATTINY24-20MU
Description
IC MCU AVR 2K FLASH 20MHZ 20-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY24-20MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
12
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-MLF®, QFN
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK505 - ADAPTER KIT FOR 14PIN AVR MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY24-20MU
Manufacturer:
AVNET
Quantity:
20 000
- Current page: 89 of 238
- Download datasheet (5Mb)
12.2.3
12.3
12.4
8006K–AVR–10/10
Timer/Counter Clock Sources
Counter Unit
Compatibility
The 16-bit Timer/Counter has been updated and improved from previous versions of 16-bit AVR
Timer/Counters. This 16-bit Timer/Counter is fully compatible with the earlier version regarding:
The following control bits have changed name, but have same functionality and register location:
The following bits are added to the 16-bit Timer/Counter Control Registers:
The 16-bit Timer/Counter has improvements that will affect backward compatibility in some spe-
cial cases.
The Timer/Counter can be clocked by an internal or an external clock source. The clock source
is selected by the Clock Select logic which is controlled by the Clock Select (CS12:0) bits
located in the Timer/Counter control Register B (TCCR1B). For details on clock sources and
prescaler, see
The main part of the 16-bit Timer/Counter is the programmable 16-bit bi-directional counter unit.
Figure 12-2 on page 89
Figure 12-2. Counter Unit Block Diagram
• 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.
• PWM10 is changed to WGM10.
• PWM11 is changed to WGM11.
• CTC1 is changed to WGM12.
• 1A and 1B are added to TCCR1A.
• WGM13 is added to TCCR1B.
Registers.
TCNTnH (8-bit)
TEMP (8-bit)
TCNTn (16-bit Counter)
DATA BUS
“Timer/Counter Prescaler” on page
TCNTnL (8-bit)
shows a block diagram of the counter and its surroundings.
(8-bit)
Direction
Count
Clear
Control Logic
TOP
115.
BOTTOM
TOVn
(Int.Req.)
clk
Tn
ATtiny24/44/84
Clock Select
( From Prescaler )
Detector
Edge
Tn
89
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