AT90CAN128-16MI Atmel, AT90CAN128-16MI Datasheet - Page 197
AT90CAN128-16MI
Manufacturer Part Number
AT90CAN128-16MI
Description
IC MCU AVR FLASH 128K 64-QFN
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN128-16MI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
For Use With
ATDVK90CAN1 - KIT DEV FOR AT90CAN128 MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Part Number:
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Quantity:
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17.11.6
17.11.7
7679H–CAN–08/08
USART1 Control and Status Register B – UCSR1B
USART0 Control and Status Register C – UCSR0C
• Bit 7 – RXCIEn: RX Complete Interrupt Enable
Writing this bit to one enables interrupt on the RXCn flag. A USARTn Receive Complete inter-
rupt will be generated only if the RXCIEn bit is written to one, the Global Interrupt Flag in SREG
is written to one and the RXCn bit in UCSRnA is set.
• Bit 6 – TXCIEn: TX Complete Interrupt Enable
Writing this bit to one enables interrupt on the TXCn flag. A USARTn Transmit Complete inter-
rupt will be generated only if the TXCIEn bit is written to one, the Global Interrupt Flag in SREG
is written to one and the TXCn bit in UCSRnA is set.
• Bit 5 – UDRIEn: USARTn Data Register Empty Interrupt Enable
Writing this bit to one enables interrupt on the UDREn flag. A Data Register Empty interrupt will
be generated only if the UDRIEn bit is written to one, the Global Interrupt Flag in SREG is written
to one and the UDREn bit in UCSRnA is set.
• Bit 4 – RXENn: Receiver Enable
Writing this bit to one enables the USARTn Receiver. The Receiver will override normal port
operation for the RxDn pin when enabled. Disabling the Receiver will flush the receive buffer
invalidating the FEn, DORn, and UPEn Flags.
• Bit 3 – TXENn: Transmitter Enable
Writing this bit to one enables the USARTn Transmitter. The Transmitter will override normal
port operation for the TxDn pin when enabled. The disabling of the Transmitter (writing TXENn
to zero) will not become effective until ongoing and pending transmissions are completed, i.e.,
when the Transmit Shift Register and Transmit Buffer Register do not contain data to be trans-
mitted. When disabled, the Transmitter will no longer override the TxDn port.
• Bit 2 – UCSZn2: Character Size
The UCSZn2 bits combined with the UCSZn1:0 bit in UCSRnC sets the number of data bits
(Character SiZe) in a frame the Receiver and Transmitter use.
• Bit 1 – RXB8n: Receive Data Bit 8
RXB8n is the ninth data bit of the received character when operating with serial frames with nine
data bits. Must be read before reading the low bits from UDRn.
• Bit 0 – TXB8n: Transmit Data Bit 8
TXB8n is the ninth data bit in the character to be transmitted when operating with serial frames
with nine data bits. Must be written before writing the low bits to UDRn.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
RXCIE1
R/W
R
7
0
7
–
0
UMSEL0
TXCIE1
R/W
R/W
6
0
6
0
UDRIE1
UPM01
R/W
R/W
5
0
5
0
RXEN1
UPM00
R/W
R/W
4
0
4
0
USBS0
TXEN1
R/W
R/W
3
0
3
0
UCSZ12
UCSZ01
R/W
R/W
2
0
2
1
AT90CAN32/64/128
UCSZ00
RXB81
R/W
R
1
0
1
1
UCPOL0
TXB81
R/W
R/W
0
0
0
0
UCSR1B
UCSR0C
197
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