ATmega162 Atmel Corporation, ATmega162 Datasheet - Page 232

• Manufacturer Part Number: ATmega162
• Manufacturer: Atmel Corporation

Specifications of ATmega162

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 35
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 6
• Input Capture Channels: 2
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Fuse Bits
232
ATmega162/V
Table 97. Lock Bit Protection Modes
Notes:
The ATmega162 has three Fuse bytes.
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 98. Extended Fuse Byte
Notes:
–
–
–
M161C
BODLEVEL2
BODLEVEL1
BODLEVEL0
–
BLB1 Mode
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
2. See
(2)
(2)
(2)
BLB12
“ATmega161 Compatibility Mode” on page 4
Table 19 on page 50
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.
for BODLEVEL Fuse decoding.
(1)(2)
Table 99
(Continued)
and
Table 100
Default Value
1
1
1
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1
for details.
describe briefly the functionality
2513K–AVR–07/09