ATMEGA32A-AN Atmel, ATMEGA32A-AN Datasheet - Page 18
ATMEGA32A-AN
Manufacturer Part Number
ATMEGA32A-AN
Description
IC MCU AVR 32K FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA32A-MU.pdf
(353 pages)
Specifications of ATMEGA32A-AN
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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7.3.1
8155C–AVR–02/11
Data Memory Access Times
Figure 7-2.
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
Figure 7-3.
Address
clk
Data Memory Map
On-chip Data SRAM Access Cycles
Data
Data
WR
CPU
RD
I/O Registers
Register File
R29
R30
R31
$3D
$3E
$00
$01
$02
$3F
R0
R1
R2
...
...
Compute Address
T1
Memory Access Instruction
Address Valid
CPU
T2
cycles as described in
Data Address Space
Next Instruction
Internal SRAM
$001D
$001E
$005D
$005E
$085E
$0000
$0001
$001F
$0020
$0021
$0022
$005F
$0060
$0061
$085F
$0002
T3
...
...
...
ATmega32A
Figure
7-3.
18
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