AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 379

• 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

29.6.15
7593K–AVR–11/09
Parallel Programming Characteristics
Figure 29-7. Parallel Programming Timing, Including some General Timing Requirements
Figure 29-8. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 29-9. Parallel Programming Timing, Reading Sequence (within the Same Page) with
XTAL1
DATA
PAGEL
(DATA, XA0/1, BS1, BS2)
XTAL1
BS1
XA0
XA1
DATA
OE
BS1
XA0
XA1
1. The timing requirements shown in
ing operation.
Data & Contol
Timing Requirements
RDY/BSY
ADDR0 (Low Byte)
LOAD ADDRESS
ADDR0 (Low Byte)
LOAD ADDRESS
PAGEL
(LOW BYTE)
XTAL1
(LOW BYTE)
WR
t
XLOL
t
OLDV
t
t
BVPH
DVXH
(1)
(LOW BYTE)
LOAD DATA
DATA (Low Byte)
t
t
XHXL
PHPL
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 29-7
t
t
t
t
t
XLXH
XLDX
XLWL
PLBX
PLWL
t
BVDV
(i.e., t
t
BVWL
(HIGH BYTE)
LOAD DATA
DATA (High Byte)
DVXH
(HIGH BYTE)
READ DATA
t
DATA (High Byte)
WLWH
t
XLPH
WLRL
LOAD DATA
, t
XHXL
AT90USB64/128
, and t
t
OHDZ
t
PLXH
t
WLBX
XLDX
LOAD ADDRESS
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
) also apply to load-
ADDR1 (Low Byte)
ADDR1 (Low Byte)
t
WLRH
(1)
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