ATTINY24A-CCUR Atmel, ATTINY24A-CCUR Datasheet - Page 159
ATTINY24A-CCUR
Manufacturer Part Number
ATTINY24A-CCUR
Description
MCU AVR 2KB FLASH 20MHZ 15UFBGA
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY24A-MU.pdf
(286 pages)
Specifications of ATTINY24A-CCUR
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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19.2
8183C–AVR–03/11
Fuse Bytes
The ATtiny24A/44A/84A have three fuse bytes.
describe 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 19-3.
Notes:
Table 19-4.
Notes:
Fuse Extended Byte
SELFPRGEN
Fuse High Byte
RSTDISBL
DWEN
SPIEN
WDTON
EESAVE
BODLEVEL2
BODLEVEL1
BODLEVEL0
(3)
1. Enables SPM instruction. See
(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. Programming this fues will disable the Watchdog Timer Interrupt. See
5. See
(4)
Fuses. After programming the RSTDISBL fuse, high-voltage serial programming must be used
to change fuses and allow further programming.
Memory Lock Bits” on page
a Function of the Fuse Settings of WDTON” on page 42
(1)
(5)
(5)
(5)
(1)
Fuse Extended Byte
Fuse High Byte
“Alternate Functions of Port B” on page 64
Table 20-6 on page 176
Bit No
7
6
6
4
3
2
1
0
Bit No
7
6
5
4
3
2
1
0
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
Description
-
-
-
-
-
-
-
Self-Programming Enable
158.
for BODLEVEL Fuse decoding.
“Self-Programming the Flash” on page
Table
for description of RSTDISBL and DWEN
19-3,
ATtiny24A/44A/84A
Table 19-4
for details.
Default Value
1 (unprogrammed)
1 (unprogrammed)
0 (programmed, SPI prog.
enabled)
1 (unprogrammed)
1 (unprogrammed,
EEPROM not preserved)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
and
152.
“WDT Configuration as
“Program And Data
Table 19-5
briefly
159
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