ATTINY24V-10MU Atmel, ATTINY24V-10MU Datasheet - Page 43
![IC MCU AVR 2K FLASH 10MHZ 20-QFN](/photos/6/87/68751/313-20-qfn_sml.jpg)
ATTINY24V-10MU
Manufacturer Part Number
ATTINY24V-10MU
Description
IC MCU AVR 2K FLASH 10MHZ 20-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY24V-10MU
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-MLF®, QFN
Cpu Family
ATtiny
Device Core
AVR
Device Core Size
8b
Frequency (max)
10MHz
Interface Type
SPI/USI
Total Internal Ram Size
128Byte
# I/os (max)
12
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
2.5/3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
1.8V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
20
Package Type
MLF
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
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:
ATTINY24V-10MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 43 of 238
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8.4.1
8.4.1.1
8006K–AVR–10/10
Timed Sequences for Changing the Configuration of the Watchdog Timer
Safety Level 1
The Wathdog Timer can also be configured to generate an interrupt instead of a reset. This can
be very helpful when using the Watchdog to wake-up from Power-down.
To prevent unintentional disabling of the Watchdog or unintentional change of time-out period,
two different safety levels are selected by the fuse WDTON as shown in
Sequences for Changing the Configuration of the Watchdog Timer” on page 43
Table 8-1.
Figure 8-7.
The sequence for changing configuration differs slightly between the two safety levels. Separate
procedures are described for each level.
In this mode, the Watchdog Timer is initially disabled, but can be enabled by writing the WDE bit
to one without any restriction. A timed sequence is needed when disabling an enabled Watch-
dog Timer. To disable an enabled Watchdog Timer, the following procedure must be followed:
WDTON
Unprogrammed
Programmed
1. In the same operation, write a logic one to WDCE and WDE. A logic one must be writ-
2. Within the next four clock cycles, in the same operation, write the WDE and WDP bits
ten to WDE regardless of the previous value of the WDE bit.
as desired, but with the WDCE bit cleared.
WDT Configuration as a Function of the Fuse Settings of WDTON
Watchdog Timer
Safety
Level
WATCHDOG
1
2
OSCILLATOR
RESET
128 kHz
WDP0
WDP1
WDP2
WDP3
WDE
WDT Initial
State
Disabled
Enabled
Timed sequence
Always enabled
How to Disable the
WDT
MCU RESET
PRESCALER
WATCHDOG
MUX
ATtiny24/44/84
Table 8-1
How to Change Time-
out
No limitations
Timed sequence
for details.
See
“Timed
43
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