ATMEGA8515-16AJ Atmel, ATMEGA8515-16AJ Datasheet - Page 30
ATMEGA8515-16AJ
Manufacturer Part Number
ATMEGA8515-16AJ
Description
IC MCU AVR 8K 5V 16MHZ 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA8515-16AJ
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
Lead free / RoHS Compliant
Data Converters
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ATmega8515(L)
SRAM address space is configured as one sector, the wait states are configured by the
SRW11 and SRW10 bits.
Table 2. Sector Limits with Different Settings of SRL2..0
• Bit 1 and Bit 6 MCUCR – SRW11, SRW10: Wait State Select Bits for Upper
The SRW11 and SRW10 bits control the number of wait states for the upper sector of
the External Memory address space, see Table 3.
• Bit 3..2 – SRW01, SRW00: Wait State Select Bits for Lower Sector
The SRW01 and SRW00 bits control the number of wait states for the lower sector of
the External Memory address space, see Table 3.
Table 3. Wait States
Note:
SRWn1
Sector
SRL2
0
0
1
1
0
0
0
0
1
1
1
1
1. n = 0 or 1 (lower/upper sector).
SRWn0
For further details of the timing and wait states of the External Memory Interface, see
Figure 13 to Figure 16 how the setting of the SRW bits affects the timing.
0
1
0
1
SRL1
0
0
1
1
0
0
1
1
(1)
Wait States
No wait states.
Wait one cycle during read/write strobe.
Wait two cycles during read/write strobe.
Wait two cycles during read/write and wait one cycle before driving out
new address.
SRL0
0
1
0
1
0
1
0
1
Sector Limits
Lower sector = N/A
Upper sector = 0x0260 - 0xFFFF
Lower sector = 0x0260 - 0x1FFF
Upper sector = 0x2000 - 0xFFFF
Lower sector = 0x0260 - 0x3FFF
Upper sector = 0x4000 - 0xFFFF
Lower sector = 0x0260 - 0x5FFF
Upper sector = 0x6000 - 0xFFFF
Lower sector = 0x0260 - 0x7FFF
Upper sector = 0x8000 - 0xFFFF
Lower sector = 0x0260 - 0x9FFF
Upper sector = 0xA000 - 0xFFFF
Lower sector = 0x0260 - 0xBFFF
Upper sector = 0xC000 - 0xFFFF
Lower sector = 0x0260 - 0xDFFF
Upper sector = 0xE000 - 0xFFFF
2512K–AVR–01/10
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