AT90PWM216-16SE ATMEL [ATMEL Corporation], AT90PWM216-16SE Datasheet - Page 282

• Manufacturer Part Number: AT90PWM216-16SE
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable flash
• Manufacturer: ATMEL [ATMEL Corporation]

25.2
282
Fuse Bits
AT90PWM216/316
Table 25-3.
Notes:
The AT90PWM216/316 has three Fuse bytes.
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 25-4.
Extended Fuse Byte
PSC2RB
PSC1RB
PSC0RB
PSCRV
–
BLB0 Mode
BLB1 Mode
1
2
3
4
1
2
3
4
1. Program the Fuse bits and Boot Lock bits before programming the LB1 and LB2.
2. “1” means unprogrammed, “0” means programmed
Lock Bit Protection Modes
Extended Fuse Byte
BLB02
BLB12
1
1
0
0
1
1
0
0
BLB01
BLB11
Bit No
4
3
1
0
0
1
1
0
0
1
7
6
5
No restrictions for SPM or LPM accessing the Application
section.
SPM is not allowed to write to the Application section.
SPM is not allowed to write to the Application section, and LPM
executing from the Boot Loader section is not allowed to read
from the Application section. If Interrupt Vectors are placed in
the Boot Loader section, interrupts are disabled while executing
from the Application section.
LPM executing from the Boot Loader section is not allowed to
read from the Application section. If Interrupt Vectors are placed
in the Boot Loader section, interrupts are disabled while
executing from the Application section.
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.
Description
PSC2 Reset Behaviour
PSC1 Reset Behaviour
PSC0 Reset Behaviour
PSCOUT Reset Value
–
(1)(2)
.
Table 25-4
-
Table 25-6
Default Value
1
1
1
1
1
describe briefly the func-
7710D–AVR–08/09