ATMEGA162L-8AC Atmel, ATMEGA162L-8AC Datasheet - Page 58

• Manufacturer Part Number: ATMEGA162L-8AC
• Description: IC MCU AVR 16K 3V 8MHZ 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA162L-8AC

• 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: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

58
ATmega162(V/U/L)
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
2513C–AVR–09/02