ATMEGA64L-8MUR Atmel, ATMEGA64L-8MUR Datasheet - Page 27
![MCU AVR 64KB FLASH 8MHZ 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA64L-8MUR
Manufacturer Part Number
ATMEGA64L-8MUR
Description
MCU AVR 64KB FLASH 8MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA64L-8MUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA64L-8MUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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External Memory
Interface
Overview
2490Q–AVR–06/10
With all the features that the External Memory Interface provides, it is well suited to operate as
an interface to memory devices such as external SRAM and Flash, and peripherals such as
LCD-display, A/D, and D/A. The main features are:
•
•
•
•
When the eXternal MEMory (XMEM) is enabled, address space outside the internal SRAM
becomes available using the dedicated external memory pins (see
on page
shown in
Figure 11. External Memory with Sector Select
Note:
Four different wait-state settings (Including no wait-state).
Independent wait-state setting for different external memory sectors (configurable sector
size).
The number of bits dedicated to address high byte is selectable.
Bus Keepers on data lines to minimize current consumption (optional).
External Memory
(0-60K x 8)
1. ATmega64 in non ATmega103 compatibility mode: Memory Configuration A is available (Mem-
73,
Figure
ory Configuration B N/A).
ATmega64 in mega103 compatibility mode: Memory Configuration B is available (Memory
Configuration A N/A).
Table 33 on page
11.
Memory Configuration A
Internal Memory
Lower Sector
Upper Sector
SRW01
SRW00
SRW11
SRW10
77, and
0x0000
0x10FF
0x1100
0xFFFF
SRL[2..0]
Table 45 on page
(1)
External Memory
(0-60K x 8)
85). The memory configuration is
Memory Configuration B
Figure 1 on page
Internal Memory
ATmega64(L)
SRW10
0x0000
0x0FFF
0x1000
2,
0xFFFF
Table 27
27
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