AT90CAN128-16AE ATMEL Corporation, AT90CAN128-16AE Datasheet - Page 357

• Manufacturer Part Number: AT90CAN128-16AE
• Description: 8-bit Avr Microcontroller With 128K Bytes of Isp Flash And CAN Controller.flash (Kbytes) 128 Vcc (V) 2.7-5.5 EEPROM (Kbytes) 4 SRAM (bytes) 4K CAN (mess. Obj.) 15
• Manufacturer: ATMEL Corporation

Two-wire Serial Interface Characteristics
Table 137. Two-wire Serial Bus Requirements
Notes:
4250C–CAN–03/04
Symbol
V
V
V
V
t
t
t
I
C
f
Rp
t
t
t
t
t
t
t
t
r
of
SP
i
SCL
HD;STA
LOW
HIGH
SU;STA
HD;DAT
SU;DAT
SU;STO
BUF
(1)
IL
IH
hys
OL
i
(1)
(1)
(1)
(1)
(1)
1. In AT90CAN128, this parameter is characterized and not 100% tested.
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
IHmin
Table 137 describes the requirements for devices connected to the Two-wire Serial Bus.
The AT90CAN128 Two-wire Serial Interface meets or exceeds these requirements
under the noted conditions.
Timing symbols refer to Figure 167.
to V
ILmax
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
CC
> max(16f
100 kHz
100 kHz
100 kHz
100 kHz
100 kHz
100 kHz
100 kHz
100 kHz
100 kHz
< V
b
< 400 pF
i
< 0.9 V
(6)
(7)
SCL
, 250kHz)
CC
(3)
(5)
V
- - - - - - - - - - - - - - - - - - - - - - - - - - - -
V
- - - - - - - - - - - - - - - - - - - - - - - - - - - -
TBD
TBD
C C 0,4V
C C 0,4V
TBD
3mA
3mA
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Min
–
–
–
0
(3)(2)
(3)(2)
(2)
AT90CAN128
1000ns
- - - - - - - - - - - - - - - - - - -
TBD
300ns
- - - - - - - - - - - - - - - -
Max
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
400
C
C
–
–
–
–
–
–
–
–
–
–
–
–
–
–
b
b
(2)
Units
kHz
µA
ns
ns
ns
pF
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
µs
µs
µs
V
V
V
V
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