AT90CAN32 Automotive Atmel Corporation, AT90CAN32 Automotive Datasheet - Page 370
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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
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27.5
Table 27-3.
Notes:
370
Symbol
VIL
VIH
Vhys
VOL
tr
tof
tSP
I
C
f
Rp
t
t
t
t
t
t
t
t
i
SCL
HD;STA
LOW
HIGH
SU;STA
HD;DAT
SU;DAT
SU;STO
BUF
(1)
(1)
i
(1)
(1)
(1)
(1)
Two-wire Serial Interface Characteristics
1. In AT90CAN32/64/128, this parameter is characterized and not 100% tested.
AT90CAN32/64/128
Parameter
Input Low-voltage
Input High-voltage
Hysteresis of Schmitt Trigger Inputs
Output Low-voltage
Rise Time for both SDA and SCL
Output Fall Time from V
Spikes Suppressed by Input Filter
Input Current each I/O Pin
Capacitance for each I/O Pin
SCL Clock Frequency
Value of Pull-up resistor
Hold Time (repeated) START Condition
Low Period of the SCL Clock
High period of the SCL clock
Set-up time for a repeated START
condition
Data hold time
Data setup time
Setup time for STOP condition
Bus free time between a STOP and
START condition
Two-wire Serial Bus Requirements
Table 27-3
AT90CAN32/64/128 Two-wire Serial Interface meets or exceeds these requirements under the
noted conditions.
Timing symbols refer to
IHmin
to V
describes the requirements for devices connected to the Two-wire Serial Bus. The
ILmax
Figure
Condition
3 mA sink current
10 pF < C
0.1 V
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
CK
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
(4)
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
≤ 100 kHz
> 100 kHz
≤ 100 kHz
CC
> max(16f
27-3.
< V
b
< 400 pF
i
< 0.9 V
(6)
(7)
SCL
, 250kHz)
CC
(3)
(5)
0.05 Vcc
V
----------------------------
V
----------------------------
20 + 0.1C
20 + 0.1C
CC
CC
0.7 Vcc
– 0.5
3mA
3mA
– 10
Min
(3)(2)
(3)(2)
250
100
4.0
0.6
4.7
1.3
4.0
0.6
4.7
0.6
4.0
0.6
4.7
–
–
0
0
–
0
0
0
0,4V
0,4V
(2)
b
b
Vcc + 0.5
0.3 Vcc
1000ns
------------------ -
300ns
--------------- -
50
Max
3.45
300
250
400
0.4
0.9
10
10
C
C
–
–
–
–
–
–
–
–
–
–
–
–
–
–
(2)
b
b
7682C–AUTO–04/08
Units
kHz
µA
pF
ns
ns
ns
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
µs
µs
µs
Ω
Ω
V
V
V
V
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