AT90USB1287-16MU Atmel, AT90USB1287-16MU Datasheet - Page 4

• Manufacturer Part Number: AT90USB1287-16MU
• Description: Microcontrollers (MCU) 128kB Flash 4kB EEPROM 48 I/O Pins
• Manufacturer: Atmel

Specifications of AT90USB1287-16MU

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 128 KB
• Data Ram Size: 8 KB
• Interface Type: 2-Wire, SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-64
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Lead Free Status / Rohs Status: Details
• Other names: AT90USB1287-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