AT90USB162-16MUR Atmel, AT90USB162-16MUR Datasheet - Page 203
AT90USB162-16MUR
Manufacturer Part Number
AT90USB162-16MUR
Description
IC AVR MCU 16K FLASH 32QFN
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB82-16MU.pdf
(307 pages)
Specifications of AT90USB162-16MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, PS/2, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFN
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI, USART, debugWIRE
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATSTK526 - KIT STARTER FOR AT90USB82/162ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
AT90USB162-16MURTR
AT90USB162-16MUTR
AT90USB162-16MUTR
AT90USB162-16MUTR
AT90USB162-16MUTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90USB162-16MUR
Manufacturer:
TT
Quantity:
400 000
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- Download datasheet (4Mb)
20.13.1.1
20.13.2
7707F–AVR–11/10
Example with 1 OUT data bank
RXOUTI
RXOUTI
FIFOCON
FIFOCON
Example with 2 OUT data banks
OUT
OUT
Detailed description
“Manual” mode
(to bank 0)
(to bank 0)
DATA
DATA
Each time the current bank is full, the RXOUTI and the FIFOCON bits are set. This triggers an
interrupt if the RXOUTE bit is set. The firmware can acknowledge the USB interrupt by clearing
the RXOUTI bit. The Firmware read the data and clear the FIFOCON bit in order to free the cur-
rent bank. If the OUT Endpoint is composed of multiple banks, clearing the FIFOCON bit will
switch to the next bank. The RXOUTI and FIFOCON bits are then updated by hardware in accor-
dance with the status of the new bank.
RXOUTI shall always be cleared before clearing FIFOCON.
The RWAL bit always reflects the state of the current bank. This bit is set if the firmware can
read data from the bank, and cleared by hardware when the bank is empty.
The data are read by the CPU, following the next flow:
• When the bank is filled by the host, an endpoint interrupt (EPINTx) is triggered, if enabled
• The CPU acknowledges the interrupt by clearing RXOUTI,
• The CPU can read the number of byte (N) in the current bank (N=BYCT),
• The CPU can read the data from the current bank (“N” read of UEDATX),
(RXOUTE set) and RXOUTI is set. The CPU can also poll RXOUTI or FIFOCON, depending
on the software architecture,
HW
HW
ACK
ACK
SW
SW
read data from CPU
OUT
BANK 0
NAK
read data from CPU
BANK 0
(to bank 1)
DATA
SW
OUT
ACK
(to bank 0)
DATA
HW
SW
AT90USB82/162
HW
ACK
SW
read data from CPU
BANK 1
SW
read data from CPU
BANK 0
203
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