AT90CAN32 Automotive Atmel Corporation, AT90CAN32 Automotive Datasheet - Page 267

• Manufacturer Part Number: AT90CAN32 Automotive
• Manufacturer: Atmel Corporation

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

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