ATMEGA103L-4AC Atmel, ATMEGA103L-4AC Datasheet - Page 15
ATMEGA103L-4AC
Manufacturer Part Number
ATMEGA103L-4AC
Description
IC MCU 128K 4MHZ A/D LV 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA103-6AC.pdf
(141 pages)
2.ATMEGA103-6AC.pdf
(4 pages)
3.ATMEGA103L-4AC.pdf
(4 pages)
Specifications of ATMEGA103L-4AC
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
64-TQFP, 64-VQFP
For Use With
ATSTK501 - ADAPTER KIT FOR 64PIN AVR MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Data Indirect with Pre-
decrement
Data Indirect with Post-
increment
Constant Addressing Using
the LPM and ELPM
Instructions
0945I–AVR–02/07
Figure 14. Data Indirect Addressing with Pre-decrement
The X-, Y-, or the Z-register is decremented before the operation. Operand address is
the decremented contents of the X-, Y-, or the Z-register.
Figure 15. Data Indirect Addressing with Post-increment
The X-, Y-, or the Z-register is incremented after the operation. Operand address is the
contents of the X-, Y-, or the Z-register prior to incrementing.
Figure 16. Code Memory Constant Addressing
Constant byte address is specified by the Z-register contents. The 15 MSBs select word
address (0 - 32K), LSB selects Low Byte if cleared (LSB = 0) or High Byte if set (LSB =
15
15
15
Z-REGISTER
X-, Y- OR Z-REGISTER
X-, Y- OR Z-REGISTER
1
0
1
-1
0
0
PROGRAM MEMORY
ATmega103(L)
Data Space
Data Space
$0000
$7FFF/$FFFF
$0000
$FFFF
$0000
$FFFF
15
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