ATAVRSB202 Atmel, ATAVRSB202 Datasheet - Page 209
ATAVRSB202
Manufacturer Part Number
ATAVRSB202
Description
KIT BATT MGMT FOR ATMEGA32HVB
Manufacturer
Atmel
Specifications of ATAVRSB202
Main Purpose
*
Embedded
*
Utilized Ic / Part
*
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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30.2
30.2.1
8042B–AVR–06/10
Fuse Bits
High Byte
Table 30-2.
Notes:
The ATmega16HVB/32HVB has two Fuse bytes.
functionality of all the fuses and how they are mapped into the Fuse byte. Note that the fuses are
read as logical zero, “0”, if they are programmed.
Table 30-3.
Notes:
Bit No
BLB1
Mode
7:5
4
3
2
1
0
1
2
3
4
Memory Lock Bits
1. Program the Fuse bits and Boot Lock bits before programming the LB1 and LB2.
2. “1” means unprogrammed, “0” means programmed
1. The default DUVRDINIT should not be changed. DUVRDINIT= “1” is reserved for future use.
2. The default value of BOOTSZ1:0 results in maximum Boot Size.
Fuse High Byte
BLB12
DUVRDINIT
BOOTRST
BOOTSZ1
BOOTSZ0
Lock Bit Protection Modes
Fuse High Byte
1
1
0
0
DWEN
–
BLB11
(1)
1
0
0
1
Reset Value of DUVRDRegister
Protection Type
No restrictions for SPM or LPM accessing the Boot Loader section.
SPM is not allowed to write to the Boot Loader section.
SPM is not allowed to write to the Boot Loader section, and LPM
executing from the Application section is not allowed to read from
the Boot Loader section. If Interrupt Vectors are placed in the
Application section, interrupts are disabled while executing from the
Boot Loader section.
LPM executing from the Application section is not allowed to read
from the Boot Loader section. If Interrupt Vectors are placed in the
Application section, interrupts are disabled while executing from the
Boot Loader section.
Select Reset Vector
Enable debugWire
Select Boot Size
Select Boot Size
(1)(2)
Description
(Continued)
Table 30-4
ATmega16HVB/32HVB
and
Table 30-3
Default Value
0 (programmed)
1 (unprogrammed)
0 (programmed)
0 (programmed)
1 (unprogrammed)
describe briefly the
(2)
(2)
209
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