ATTINY84V-10PU Atmel, ATTINY84V-10PU Datasheet - Page 34
ATTINY84V-10PU
Manufacturer Part Number
ATTINY84V-10PU
Description
AVR MCU, 8K FLASH, 512B RAM, 512B EE
Manufacturer
Atmel
Datasheet
1.ATTINY84V-10PU.pdf
(233 pages)
Specifications of ATTINY84V-10PU
Controller Family/series
AVR Tiny
No. Of I/o's
12
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
10MHz
Core Size
8bit
Program Memory Size
8KB
Oscillator Type
External, Internal
Processor Series
ATTINY8x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Package / Case
PDIP-14
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY84V-10PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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34
ATtiny24/44/84
To avoid unintentional changes of clock frequency, a special write procedure must be followed
to change the CLKPS bits:
1. Write the Clock Prescaler Change Enable (CLKPCE) bit to one and all other bits in
2. Within four cycles, write the desired value to CLKPS while writing a zero to CLKPCE.
Interrupts must be disabled when changing prescaler setting to make sure the write procedure is
not interrupted.
The CKDIV8 Fuse determines the initial value of the CLKPS bits. If CKDIV8 is unprogrammed,
the CLKPS bits will be reset to “0000”. If CKDIV8 is programmed, CLKPS bits are reset to
“0011”, giving a division factor of eight at start up. This feature should be used if the selected
clock source has a higher frequency than the maximum frequency of the device at the present
operating conditions. Note that any value can be written to the CLKPS bits regardless of the
CKDIV8 Fuse setting. The Application software must ensure that a sufficient division factor is
chosen if the selcted clock source has a higher frequency than the maximum frequency of the
device at the present operating conditions. The device is shipped with the CKDIV8 Fuse
programmed.
Table 7-10.
CLKPS3
CLKPR to zero.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Clock Prescaler Select
CLKPS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
CLKPS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
CLKPS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Clock Division Factor
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
128
256
16
32
64
1
2
4
8
8006F–AVR–02/07
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