AT90CAN32 Automotive Atmel Corporation, AT90CAN32 Automotive Datasheet - Page 267
AT90CAN32 Automotive
Manufacturer Part Number
AT90CAN32 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(431 pages)
2.AT90CAN128_AUTOMOTIVE.pdf
(16 pages)
3.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
Specifications of AT90CAN32 Automotive
Flash (kbytes)
32 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
8
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
2
Can
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
4
Output Compare Channels
8
Input Capture Channels
2
Pwm Channels
7
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- AT90CAN128_AUTOMOTIVE PDF datasheet #2
- AT90CAN128_AUTOMOTIVE PDF datasheet #3
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- Download datasheet (6Mb)
Table 19-2.
Note:
7682C–AUTO–04/08
f
(MHz)
6.000
4.000
clk
io
1. See
CAN
Baud
Rate
(Kbps)
1000
500
250
200
125
100
1000
500
250
200
125
100
Examples of CAN Baud Rate Settings for Commonly Frequencies (Continued)
Section 19.4.3 ”Baud Rate” on page
Sampling
67 %
63 %
69 %
70 %
Point
75 %
80 %
75 %
75 %
75 %
75 %
75 %
(1)
(1)
(1)
(1)
Description
0.166666
0.333333
0.333333
0.833333
0.500
0.500
0.500
1.000
0.500
0.250
0.250
0.500
0.250
0.500
1.000
0.500
1.250
(µs)
TQ
(TQ)
Tbit
12
12
15
10
16
20
12
16
20
16
20
x
8
8
x
8
8
x
8
8
241.
Tprs
(TQ)
- - - n o t
- - - n o t
5
5
3
7
4
7
3
8
5
3
7
3
8
7
3
8
3
Tph1
(TQ)
3
3
2
4
3
4
2
6
3
2
4
2
6
4
2
6
2
Segments
a p p l i c a b l e - - -
a p p l i c a b l e - - -
Tph2
(TQ)
3
3
2
3
2
4
2
5
3
2
4
2
5
4
2
5
2
- - - n o
- - - n o
- - - n o
Tsjw
(TQ)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
AT90CAN32/64/128
d a t a - - -
d a t a - - -
d a t a - - -
CANBT1
0x0A
0x00
0x02
0x04
0x02
0x04
0x04
0x04
0x08
0x00
0x00
0x02
0x00
0x02
0x06
0x02
0x08
Registers
CANBT2
0x0C
0x0C
0x0C
0x0C
0x0E
0x0E
0x0E
0x08
0x08
0x04
0x06
0x04
0x08
0x04
0x04
0x04
0x04
CANBT3
0x25
0x25
0x13
0x35
0x23
0x37
0x13
0x4B
0x25
0x13
0x37
0x13
0x4B
0x37
0x13
0x4B
0x13
267
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