AT90CAN32 Automotive Atmel Corporation, AT90CAN32 Automotive Datasheet - Page 370

• 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

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