AT90USB162-16MUR Atmel, AT90USB162-16MUR Datasheet - Page 179
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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18.5.1
18.5.2
18.6
18.6.1
18.6.2
7707F–AVR–11/10
USART MSPIM Register Description
Transmitter and Receiver Flags and Interrupts
Disabling the Transmitter or Receiver
USART MSPIM I/O Data Register - UDRn
USART MSPIM Control and Status Register n A - UCSRnA
The RXCn, TXCn, and UDREn flags and corresponding interrupts in USART in MSPIM mode
are identical in function to the normal USART operation. However, the receiver error status flags
(FE, DOR, and PE) are not in use and is always read as zero.
The disabling of the transmitter or receiver in USART in MSPIM mode is identical in function to
the normal USART operation.
The following section describes the registers used for SPI operation using the USART.
The function and bit description of the USART data register (UDRn) in MSPI mode is identical to
normal USART operation. See “USART I/O Data Register n– UDRn” on page 165.
•
• Bit 7 - RXCn: USART Receive Complete
This flag bit is set when there are unread data in the receive buffer and cleared when the receive
buffer is empty (i.e., does not contain any unread data). If the Receiver is disabled, the receive
buffer will be flushed and consequently the RXCn bit will become zero. The RXCn Flag can be
used to generate a Receive Complete interrupt (see description of the RXCIEn bit).
• Bit 6 - TXCn: USART Transmit Complete
This flag bit is set when the entire frame in the Transmit Shift Register has been shifted out and
there are no new data currently present in the transmit buffer (UDRn). The TXCn Flag bit is auto-
matically cleared when a transmit complete interrupt is executed, or it can be cleared by writing
a one to its bit location. The TXCn Flag can generate a Transmit Complete interrupt (see
description of the TXCIEn bit).
• Bit 5 - UDREn: USART Data Register Empty
The UDREn Flag indicates if the transmit buffer (UDRn) is ready to receive new data. If UDREn
is one, the buffer is empty, and therefore ready to be written. The UDREn Flag can generate a
Data Register Empty interrupt (see description of the UDRIE bit). UDREn is set after a reset to
indicate that the Transmitter is ready.
• Bit 4:0 - Reserved Bits in MSPI mode
When in MSPI mode, these bits are reserved for future use. For compatibility with future devices,
these bits must be written to zero when UCSRnA is written.
Bit
Read/Write
Initial Value
7
RXCn
R/W
0
6
TXCn
R/W
0
5
UDREn
0
R/W
4
-
R
0
3
-
R
0
2
-
R
1
AT90USB82/162
1
-
R
1
0
-
R
0
UCSRnA
179
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