AT90USB646-16MU Atmel, AT90USB646-16MU Datasheet - Page 4
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AT90USB646-16MU
Manufacturer Part Number
AT90USB646-16MU
Description
Microcontrollers (MCU) AVR USB 64K FLASH5V
Manufacturer
Atmel
Datasheet
1.AT90USB1287-16MU.pdf
(30 pages)
Specifications of AT90USB646-16MU
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
64 KB
Data Ram Size
4 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
48
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-64
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / Rohs Status
Details
Other names
AT90USB646-MU
1.1
2. Overview
4
Disclaimer
AT90USB64/128
(PDO/PCINT3/MISO) PB3
(INT.7/AIN.1/UVcon) PE7
(PDI/PCINT2/MOSI) PB2
Figure 1-2.
Note:
Typical values contained in this datasheet are based on simulations and characterization of
other AVR microcontrollers manufactured on the same process technology. Min and Max values
will be available after the device is characterized.
The AT90USB64/128 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced
RISC architecture. By executing powerful instructions in a single clock cycle, the
(PCINT4/OC.2A) PB4
(PCINT5/OC.1A) PB5
(PCINT6/OC.1B) PB6
(PCINT1/SCLK) PB1
(SS/PCINT0) PB0
(INT.6/AIN.0) PE6
The large center pad underneath the MLF packages is made of metal and internally connected to
GND. It should be soldered or glued to the board to ensure good mechanical stability. If the center
pad is left unconnected, the package might loosen from the board.
(IUID) PE3
UGnd
UCap
UVcc
VBus
Pinout AT90USB64/128-QFN
D+
D-
(64-lead QFN top view)
INDEX CORNER
AT90USB128
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PE2 (ALE/HWB)
PC7 (A15/IC.3/CLKO)
PC6 (A14/OC.3A)
PC5 (A13/OC.3B)
PC4 (A12/OC.3C)
PC3 (A11/T.3)
PC2 (A10)
PC1 (A9)
PC0 (A8)
PE1 (RD)
PE0 (WR)
7593GS–AVR–03/08