AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 408

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

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

Table 30-8.
Table 30-9.
Table 30-10. External Data Memory Characteristics, 2.7 - 5.5 Volts, No Wait-state
408
0
10
12
15
16
0
10
12
14
15
16
0
1
2
3a
3b
4
5
6
7
8
9
10
11
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
t
Symbol
1/t
t
t
t
t
t
t
t
t
t
t
t
t
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
WHDX
DVWH
WLWH
LHLL
AVLL
LLAX_ST
LLAX_LD
AVLLC
AVRL
AVWL
LLWL
LLRL
DVRH
RLDV
RHDX
CLCL
CLCL
CLCL
AT90USB64/128
External Data Memory Characteristics, 4.5 - 5.5 Volts, SRWn1 = 1, SRWn0 = 0
External Data Memory Characteristics, 4.5 - 5.5 Volts, SRWn1 = 1, SRWn0 = 1
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
ALE Pulse Width
Address Valid A to ALE Low
Address Hold After ALE Low,
write access
Address Hold after ALE Low,
read access
Address Valid C to ALE Low
Address Valid to RD Low
Address Valid to WR Low
ALE Low to WR Low
ALE Low to RD Low
Data Setup to RD High
Read Low to Data Valid
Data Hold After RD High
Min
365
375
365
Min
365
240
375
365
Min
235
115
115
235
235
115
115
45
0
5
5
4 MHz Oscillator
4 MHz Oscillator
4 MHz Oscillator
Max
Max
Max
325
325
130
130
190
0.5t
0.5t
0.5t
0.5t
3.0t
3.0t
3.0t
2.0t
3.0t
1.0t
1.0t
3.0t
3.0t
t
CLCL
CLCL
CLCL
CLCL
CLCL
Min
Min
Min
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0.0
0.0
0.0
45
5
5
0
Variable Oscillator
Variable Oscillator
Variable Oscillator
CLCL
CLCL
-15
-10
-10
-10
-10
-10
-10
-10
-10
-10
-15
-15
(1)
(1)
(2)
(2)
0.5t
0.5t
3.0t
3.0t
1.0t
CLCL
CLCL
Max
Max
Max
CLCL
CLCL
CLCL
16
16
8
+5
+5
7593K–AVR–11/09
-50
-50
-60
(2)
(2)
Unit
MHz
ns
ns
ns
ns
Unit
MHz
ns
ns
ns
ns
ns
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns