AT90CAN32-16MU Atmel, AT90CAN32-16MU Datasheet - Page 266
![IC MCU AVR 32K FLASH 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT90CAN32-16MU
Manufacturer Part Number
AT90CAN32-16MU
Description
IC MCU AVR 32K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN32-16MU
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
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
2 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
53
Number Of Timers
2
Operating Supply Voltage
0.5 V to 0.6 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
Cpu Family
90C
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Total Internal Ram Size
2KB
# I/os (max)
53
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
QFN EP
Package
64QFN EP
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:
AT90CAN32-16MU
Manufacturer:
ATMEL
Quantity:
717
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19.11.5
19.11.6
19.12 Examples of CAN Baud Rate Setting
266
AT90CAN32/64/128
CAN Time Stamp Registers - CANSTML and CANSTMH
CAN Data Message Register - CANMSG
• Bit 31:3 – IDMSK28:0: Identifier Mask
• Bit 2 – RTRMSK: Remote Transmission Request Mask
• Bit 1 – Reserved Bit
Writing zero in this bit is recommended.
• Bit 0 – IDEMSK: Identifier Extension Mask
• Bits 15:0 - TIMSTM15:0: Time Stamp Count
CAN time stamp counter range 0 to 65,535.
• Bit 7:0 – MSG7:0: Message Data
This register contains the CAN data byte pointed at the page MOb register.
After writing in the page MOb register, this byte is equal to the specified message location of the
pre-defined identifier + index. If auto-incrementation is used, at the end of the data register writ-
ing or reading cycle, the index is auto-incremented.
The range of the counting is 8 with no end of loop (0, 1,..., 7, 0,...).
The CAN bus requires very accurate timing especially for high baud rates. It is recommended to
use only an external crystal for CAN operations.
(Refer to
257
Initial Value
Read/Write
Initial Value
Read/Write
to
Bit
Bit
Bit
– 0 - comparison true forced -
– 1 - bit comparison enabled -
– 0 - comparison true forced
– 1 - bit comparison enabled.
– 0 - comparison true forced
– 1 - bit comparison enabled.
page 258
“Bit Timing” on page 241
TIMSTM15 TIMSTM14 TIMSTM13 TIMSTM12 TIMSTM11 TIMSTM10 TIMSTM9 TIMSTM8 CANSTMH
TIMSTM7 TIMSTM6 TIMSTM5 TIMSTM4 TIMSTM3 TIMSTM2 TIMSTM1 TIMSTM0
MSG 7
15
R/W
R
7
-
7
-
for “CAN Bit Timing Registers”).
MSG 6
14
R/W
R
6
-
6
-
MSG 5
13
R/W
R
5
-
5
-
and
See “Acceptance Filter” on page 246.
See “Acceptance Filter” on page 246.
MSG 4
“Baud Rate” on page 242
R/W
12
R
4
-
4
-
MSG 3
R/W
11
R
3
-
3
-
MSG 2
R/W
10
R
2
-
2
-
MSG 1
R/W
R
for timing description and
1
9
1
-
-
MSG 0
R/W
R
0
8
0
-
-
CANSTML
CANMSG
7679H–CAN–08/08
page
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