AT90USB1287-MUR Atmel, AT90USB1287-MUR Datasheet - Page 410

• Manufacturer Part Number: AT90USB1287-MUR
• Description: MCU AVR 128K FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® 90USBr

Specifications of AT90USB1287-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 8K 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: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• Processor Series: AT90USBx
• Core: AVR8
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525, ATAVRQTOUCHX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

410
AT90USB64/128
Figure 30-7. External Memory Timing (SRWn1 = 0, SRWn0 = 0
Figure 30-8. External Memory Timing (SRWn1 = 0, SRWn0 = 1)
System Clock (CLK
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 0)
DA7:0
A15:8
CPU
ALE
WR
RD
DA7:0
A15:8
CPU
)
ALE
WR
RD
Prev. addr.
Prev. data
)
Prev. addr.
Prev. data
T1
T1
1
Address
Address
4
2
5
T2
6
1
3a
3b
Address
Address
XX
7
4
2
8
13
5
T2
6
3a
3b
10
XX
Address
7
8
T3
13
10
Address
Data
15
16
Data
12
9
T3
15
12
Data
16
Data
9
T4
11
11
T4
14
T5
14
7593K–AVR–11/09