ATmega162 Atmel Corporation, ATmega162 Datasheet - Page 60

• 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

60
ATmega162/V
When the BOOTRST Fuse is unprogrammed, the boot section size set to 2K bytes and the
IVSEL bit in the GICR Register is set before any interrupts are enabled, the most typical and
general program setup for the Reset and Interrupt Vector Addresses is:
When the BOOTRST Fuse is programmed and the boot section size set to 2K bytes, the most
typical and general program setup for the Reset and Interrupt Vector Addresses is:
0x03A
0x03B
0x03C
0x03D
...
Address
0x000
0x001
0x002
0x003
0x004
0x005
;
.org 0x1C02
0x1C02
0x1C04
...
0x1C36
Address
.org 0x002
0x002
0x004
...
0x036
;
.org 0x1C00
0x1C00
0x1C01
0x1C02
0x1C03
0x1C04
0x1C05
...
Labels
RESET:
....
Labels
....
RESET:
ldi
out
sei
<instr>
...
Code
ldi
out
ldi
out
sei
<instr>
jmp
jmp
..
jmp
jmp
jmp
..
jmp
ldi
out
ldi
out
sei
<instr>
Code
r16,low(RAMEND)
SPL,r16
r16,high(RAMEND) ; Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
EXT_INT0
EXT_INT1
SPM_RDY
EXT_INT0
EXT_INT1
SPM_RDY
r16,high(RAMEND) ; Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
xxx
xxx
xxx
; Enable interrupts
Comments
; Set Stack Pointer to top of RAM
; Enable interrupts
; IRQ0 Handler
; IRQ1 Handler
;
; Store Program Memory Ready Handler
; IRQ0 Handler
; IRQ1 Handler
;
; Store Program Memory Ready Handler
; Set Stack Pointer to top of RAM
; Enable interrupts
Comments
2513K–AVR–07/09