ATMEGA8515-16AI Atmel, ATMEGA8515-16AI Datasheet - Page 18

• Manufacturer Part Number: ATMEGA8515-16AI
• Description: IC AVR MCU 8K 16MHZ IND 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8515-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

Data Memory Access Times
18
ATmega8515(L)
Figure 9. Data Memory Map
This section describes the general access timing concepts for internal memory access.
The internal data SRAM access is performed in two clk
10.
Figure 10. On-chip Data SRAM Access Cycles
Address
clk
Data
Data
WR
CPU
RD
Compute Address
64 I/O Registers
External SRAM
Data Memory
Internal SRAM
32 Registers
(0 - 64K x 8)
T1
Memory Access Instruction
(512 x 8)
Address Valid
$0260
$025F
$FFFF
$0000 - $001F
$0020 - $005F
$0060
T2
CPU
cycles as described in Figure
Next Instruction
T3
2512K–AVR–01/10