ATTIny2313-16MI ATMEL Corporation, ATTIny2313-16MI Datasheet - Page 160

• Manufacturer Part Number: ATTIny2313-16MI
• Description: 8-bit AVR Microcontroller with 2K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

Fuse Bits
160
ATtiny2313/V
The ATtiny2313 has three Fuse bytes. Table 68 and Table 69 describe briefly the func-
tionality 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 67. Fuse Extended Byte
Table 68. Fuse High Byte
Note:
Fuse Extended
Byte
SPMEN
Fuse High Byte
DWEN
EESAVE
SPIEN
WDTON
BODLEVEL2
BODLEVEL1
BODLEVEL0
RSTDISBL
(3)
(1)
1. The SPIEN Fuse is not accessible in serial programming mode.
2. See “Watchdog Timer Control Register – WDTCR” on page 39 for details.
3. Never ship a product with the DWEN Fuse programmed regardless of the setting of
4. See Table 16 on page 35 for BODLEVEL Fuse decoding.
5. See “Alternate Functions of Port A” on page 53 for description of RSTDISBL Fuse.
(2)
(5)
Lock bits. A programmed DWEN Fuse enables some parts of the clock system to be
running in all sleep modes. This may increase the power consumption.
(4)
(4)
(4)
Bit
No
Bit
No
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Description
–
–
–
–
–
–
–
Self Programming Enable
Description
debugWIRE Enable
EEPROM memory is preserved
through the Chip Erase
Enable Serial Program and Data
Downloading
Watchdog Timer always on
Brown-out Detector trigger level
Brown-out Detector trigger level
Brown-out Detector trigger level
External Reset disable
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
1 (unprogrammed)
1 (unprogrammed, EEPROM
not preserved)
0 (programmed, SPI prog.
enabled)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
2543C–AVR–12/03