AT90CAN128-16MU Atmel, AT90CAN128-16MU Datasheet - Page 200
![IC MCU AVR 128K FLASH 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT90CAN128-16MU
Manufacturer Part Number
AT90CAN128-16MU
Description
IC MCU AVR 128K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN128-16MU
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
Processor Series
AT90CANx
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
2-Wire, JTAG, PS2, SPI, SRAM, USB
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
53
Number Of Timers
3
Operating Supply Voltage
1.8 V, 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATDVK90CAN1, ATADAPCAN01
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
64QFN EP
Device Core
AVR
Family Name
90C
Maximum Speed
16 MHz
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATDVK90CAN1 - KIT DEV FOR AT90CAN128 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
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Manufacturer:
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Quantity:
12 000
Company:
Part Number:
AT90CAN128-16MU
Manufacturer:
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Quantity:
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Part Number:
AT90CAN128-16MU
Manufacturer:
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17.12 Examples of Baud Rate Setting
Table 17-9.
Note:
200
Baud
Rate
(bps)
2400
4800
9600
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
115.2k
230.4k
250k
500k
1M
Max.
(1)
1. UBRRn = 0, Error = 0.0%
UBRRn
AT90CAN32/64/128
25
12
6
3
2
1
1
0
–
–
–
–
–
–
62.5 Kbps
U2Xn = 0
Examples of UBRRn Settings for Commonly Frequencies
Error
f
clk
-18.6%
-7.0%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
io
–
–
–
–
–
–
= 1.0000 MHz
• Bit 15:12 – Reserved Bits
These bits are reserved for future use. For compatibility with future devices, these bit must be
written to zero when UBRRnH is written.
• Bit 11:0 – UBRRn11:0: USARTn Baud Rate Register
This is a 12-bit register which contains the USARTn baud rate. The UBRRnH contains the four
most significant bits, and the UBRRnL contains the eight least significant bits of the USARTn
baud rate. Ongoing transmissions by the Transmitter and Receiver will be corrupted if the baud
rate is changed. Writing UBRRnL will trigger an immediate update of the baud rate prescaler.
For standard crystal, resonator and external oscillator frequencies, the most commonly used
baud rates for asynchronous operation can be generated by using the UBRRn settings in
17-9
from the target baud rate, are bold in the table. Higher error ratings are acceptable, but the
Receiver will have less noise resistance when the error ratings are high, especially for large
serial frames (see
lated using the following equation:
UBRRn
up to
51
25
12
8
6
3
2
1
1
0
–
–
–
–
U2Xn = 1
125 Kbps
Table
Error
-18.6%
-3.5%
-7.0%
0.2%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
–
–
–
–
17-12. UBRRn values which yield an actual baud rate differing less than 0.5%
“Asynchronous Operational Range” on page
UBRRn
47
23
11
7
5
3
2
1
1
0
–
–
–
–
115.2 Kbps
U2Xn = 0
f
Error
clk
-25.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
io
–
–
–
–
Error[%]
= 1.8432 MHz
UBRRn
95
47
23
15
11
=
7
5
3
2
1
0
–
–
–
230.4 Kbps
U2Xn = 1
⎛
⎝
1
–
Error
BaudRate
------------------------------------------------------- -
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
–
–
BaudRate
Closest Match
UBRRn
51
25
12
8
6
1
0
3
2
1
–
–
–
–
192). The error values are calcu-
U2Xn = 0
125 Kbps
Error
f
⎞
⎠
clk
-18.6%
-3.5%
-7.0%
0.2%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
•
io
100%
–
–
–
–
= 2.0000 MHz
UBRRn
103
51
25
16
12
8
6
3
2
1
–
–
–
–
7679H–CAN–08/08
U2Xn = 1
250 Kbps
Error
-3.5%
-7.0%
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
8.5%
Table
–
–
–
–
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