AT90USB162 Atmel Corporation, AT90USB162 Datasheet - Page 39

• Manufacturer Part Number: AT90USB162
• Manufacturer: Atmel Corporation

Specifications of AT90USB162

• Flash (kbytes): 16 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 22
• Ext Interrupts: 21
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 5
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

7. Power Distribution
7707F–AVR–11/10
PS/2 Pad
PS/2 Pad
UVCC
UVCC
3.3V Reg
USB Pad
3.3V Reg
USB Pad
UVSS
UVSS
USB or PS/2 connector
USB or PS/2 connector
VBus or PS/2 Vcc (5V)
VBus or PS/2 Vcc (5V)
The AT90USB82/162 product includes an internal 5V to 3.3V regulator that
allows to supply the USB pad (see Figure 7-1.) and, depending on the applica-
tion, external components or even the microcontroller itself (see Figure 7-2.).
Figure 7-1.
Figure 7-2.
UCAP
UCAP
Band
Gap
Band
Gap
5V configuration
5V / 3.3V configuration
AVR Core
AVR Core
VSS
VSS
VCC
VCC
I/O
I/O
(3.3V)
POR
BOD
POR
BOD
PLL
PLL
AVCC
AVCC
AT90USB82/162
Comparator
Comparator
at least 50 mA
for external chips
39