ATMEGA162L-8AI Atmel, ATMEGA162L-8AI Datasheet - Page 229
ATMEGA162L-8AI
Manufacturer Part Number
ATMEGA162L-8AI
Description
IC MCU AVR 16K 3V 8MHZ 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162L-8AI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
EBI/EMI, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Fuse Bits
2513C–AVR–09/02
Table 98. Lock Bit Protection Modes
Notes:
The ATmega162 has three Fuse bytes. Table 100 and Table 101 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 99. Extended Fuse Byte
Notes:
BLB1 Mode
–
–
–
M161C
BODLEVEL2
BODLEVEL1
BODLEVEL0
–
Fuse Low Byte
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. See “ATmega161 Compatibility Mode” on page 5 for details.
2. See Table 19 on page 48 for BODLEVEL Fuse decoding.
(2)
(2)
(2)
BLB12
1
1
0
0
Bit no
7
6
5
4
3
2
1
0
BLB11
1
0
0
1
Description
–
–
–
ATmega161 compatibility
mode
Brown-out Detector
trigger level
Brown-out Detector
trigger level
Brown-out Detector
trigger level
–
(1)(2)
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.
(1)(2)
(Continued)
ATmega162(V/U/L)
Default Value
1
1
1
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1
229
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