ATMEGA8515-16AI Atmel, ATMEGA8515-16AI Datasheet - Page 28

• 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: -

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ATmega8515(L)
Figure 14. External Data Memory Cycles with SRWn1 = 0 and SRWn0 = 1
Note:
Figure 15. External Data Memory Cycles with SRWn1 = 1 and SRWn0 = 0
Note:
System Clock (CLK
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 1)
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 1)
1. SRWn1 = SRW11 (upper sector) or SRW01 (lower sector), SRWn0 = SRW10 (upper
1. SRWn1 = SRW11 (upper sector) or SRW01 (lower sector), SRWn0 = SRW10 (upper
DA7:0
A15:8
CPU
ALE
sector) or SRW00 (lower sector)
The ALE pulse in period T5 is only present if the next instruction accesses the RAM
(internal or external).
WR
sector) or SRW00 (lower sector)
The ALE pulse in period T6 is only present if the next instruction accesses the RAM
(internal or external).
RD
DA7:0
A15:8
CPU
)
ALE
WR
RD
Prev. Addr.
Prev. Data
Prev. Data
Prev. Data
)
Prev. Addr.
Prev. Data
Prev. Data
Prev. Data
T1
T1
Address
Address
Address
T2
Address
Address
XX
Address
T2
XX
Address
T3
Data
Data
Data
Address
T3
Data
Data
Data
T4
T4
T5
T5
2512K–AVR–01/10
(1)
(1)
T6