ATMEGA32A-MNR Atmel, ATMEGA32A-MNR Datasheet - Page 18

• Manufacturer Part Number: ATMEGA32A-MNR
• Description: IC MCU AVR 32K 16MHZ 44VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32A-MNR

• 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-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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.
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