ATMEGA16L-8PC Atmel, ATMEGA16L-8PC Datasheet - Page 17
![IC AVR MCU 16K LV 8MHZ COM 40DIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA16L-8PC
Manufacturer Part Number
ATMEGA16L-8PC
Description
IC AVR MCU 16K LV 8MHZ COM 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16L-8PC
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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SRAM Data
Memory
2466T–AVR–07/10
Figure 9
The lower 1120 Data Memory locations address the Register File, the I/O Memory, and the inter-
nal data SRAM. The first 96 locations address the Register File and I/O Memory, and the next
1024 locations address the internal data SRAM.
The five different addressing modes for the data memory cover: Direct, Indirect with Displace-
ment, Indirect, Indirect with Pre-decrement, and Indirect with Post-increment. In the Register
File, registers R26 to R31 feature the indirect addressing pointer registers.
The direct addressing reaches the entire data space.
The Indirect with Displacement mode reaches 63 address locations from the base address given
by the Y-register or Z-register.
When using register indirect addressing modes with automatic pre-decrement and post-incre-
ment, the address registers X, Y, and Z are decremented or incremented.
The 32 general purpose working registers, 64 I/O Registers, and the 1024 bytes of internal data
SRAM in the ATmega16 are all accessible through all these addressing modes. The Register
File is described in
Figure 9. Data Memory Map
shows how the ATmega16 SRAM Memory is organized.
I/O Registers
Register File
“General Purpose Register File” on page
R29
R30
R31
$3D
$3E
$00
$01
$02
$3F
R0
R1
R2
...
...
11.
Data Address Space
Internal SRAM
$001D
$001E
$005D
$005E
$045E
$0000
$0001
$001F
$0020
$0021
$0022
$005F
$0060
$0061
$045F
$0002
ATmega16(L)
...
...
...
17
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