AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 411

no-image

AT90USB647-MU

Manufacturer Part Number
AT90USB647-MU
Description
MCU, 8BIT, 64K FLASH, USB, 64QFN
Manufacturer
Atmel
Datasheets

Specifications of AT90USB647-MU

Controller Family/series
AT90
No. Of I/o's
48
Eeprom Memory Size
2KB
Ram Memory Size
4KB
Cpu Speed
16MHz
No. Of
RoHS Compliant
Core Size
8bit
Program Memory Size
64KB
Oscillator Type
External, Internal
Package
64QFN EP
Device Core
AVR
Family Name
AT90
Maximum Speed
20 MHz
Ram Size
4 KB
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
48
Interface Type
SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
4
Lead Free Status / Rohs Status
 Details

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90USB647-MU
Manufacturer:
AAT
Quantity:
18 240
Part Number:
AT90USB647-MUR
Manufacturer:
AD
Quantity:
2 747
7593K–AVR–11/09
Figure 30-9. External Memory Timing (SRWn1 = 1, SRWn0 = 0)
Figure 30-10. External Memory Timing (SRWn1 = 1, SRWn0 = 1)
The ALE pulse in the last period (T4-T7) is only present if the next instruction accesses the RAM (internal
or external).
System Clock (CLK
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 0)
DA7:0
A15:8
CPU
ALE
DA7:0
WR
A15:8
RD
CPU
ALE
WR
)
RD
)
Prev. addr.
Prev. data
Prev. addr.
Prev. data
T1
T1
1
Address
Address
4
2
1
5
T2
6
Address
Address
3a
3b
4
2
XX
7
5
8
T2
6
13
3a
3b
XX
10
7
8
13
T3
10
T3
Address
Data
12
Data
16
15
9
T4
Data
Address
12
Data
16
15
T4
9
T5
AT90USB64/128
()
11
T5
T6
11
14
T6
14
T7
411

Related parts for AT90USB647-MU