ATTINY84V-10PU Atmel, ATTINY84V-10PU Datasheet - Page 165

• Manufacturer Part Number: ATTINY84V-10PU
• Description: AVR MCU, 8K FLASH, 512B RAM, 512B EE
• Manufacturer: Atmel

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

21.2
8006F–AVR–02/07
Fuse Bytes
The ATtiny24/44/84 has three Fuse bytes.
describe briefly the functionality of all the fuses and how they are mapped into the Fuse bytes.
Note that the fuses are read as logical zero, “0”, if they are programmed..
Table 21-3.
Table 21-4.
Notes:
SELFPRGEN
RSTDISBL
DWEN
SPIEN
WDTON
EESAVE
BODLEVEL2
BODLEVEL1
BODLEVEL0
Fuse High Byte
Fuse High Byte
(3)
(2)
1. See
2. DWEN must be unprogrammed when Lock Bit security is required. See
3. The SPIEN Fuse is not accessible in SPI Programming mode.
4. See
5. See
(4)
(1)
Fuses. When programming the RSTDISBL Fuse, High-voltage Serial programming has to be
used to change fuses to perform further programming
Memory Lock Bits” on page
details.
(5)
(5)
(5)
Fuse Extended Byte
Fuse High Byte
”Alternate Functions of Port B” on page 68
”WDT Configuration as a Function of the Fuse Settings of WDTON” on page 44
Table 22-4 on page 182
Bit No
7
6
5
4
3
2
1
0
Bit No
7
6
6
4
3
2
1
0
Description
-
-
-
-
-
-
-
Self-Programming Enable
Description
External Reset disable
DebugWIRE Enable
Enable Serial Program and Data
Downloading
Watchdog Timer always on
EEPROM memory is preserved through
the Chip Erase
Brown-out Detector trigger level
Brown-out Detector trigger level
Brown-out Detector trigger level
164.
for BODLEVEL Fuse decoding.
Table 21-4 on page 165
for description of RSTDISBL and DWEN
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
ATtiny24/44/84
to
Table 21-5 on page 166
Default Value
1 (unprogrammed)
1 (unprogrammed)
0 (programmed, SPI
prog. enabled)
1 (unprogrammed)
1 (unprogrammed,
EEPROM not
preserved)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
”Program And Data
for
165