ATMEGA8535L-8JUR Atmel, ATMEGA8535L-8JUR Datasheet - Page 259

• Manufacturer Part Number: ATMEGA8535L-8JUR
• Description: MCU AVR 8K FLASH 8MHZ 44PLCC
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8535L-8JUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Two-wire Serial Interface Characteristics
Table 112 describes the requirements for devices connected to the Two-wire Serial Bus. The ATmega8535 Two-wire Serial
Interface meets or exceeds these requirements under the noted conditions.
Timing symbols refer to Figure 127.
Table 112. Two-wire Serial Bus Requirements
Notes:
2502K–AVR–10/06
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)
i
(1)
(1)
(1)
(1)
(1)
1. In ATmega8535, this parameter is characterized and not 100% tested.
2. Required only for f
3. C
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
b
= capacitance of one bus line in pF.
SCL
> 100 kHz.
IHmin
to V
ILmax
f
CK
(4)
10 pF < C
0.1V
> max(16f
3 mA sink current
f
f
SCL
SCL
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
CC
Condition
≤ 100 kHz
> 100 kHz
< V
≤ 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
b
< 400 pF
SCL
i
< 0.9V
, 250kHz)
(6)
(7)
CC
(3)
(5)
20 + 0.1C
20 + 0.1C
V
----------------------------
V
----------------------------
0.05 V
CC
CC
0.7 V
3mA
3mA
Min
-0.5
250
100
-10
4.0
0.6
4.7
1.3
4.0
0.6
4.7
0.6
4.0
0.6
4.7
1.3
–
–
–
0
0
0
0
0
0.4V
0.4V
ATmega8535(L)
CC
CC
b
b
(2)
(3)(2)
(3)(2)
V
1000ns
------------------ -
0.3 V
CC
300ns
--------------- -
Max
50
3.45
300
250
400
0.4
0.9
C
10
10
C
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
+ 0.5
b
(2)
b
CC
Units
kHz
µA
pF
µs
µs
µs
µs
ns
ns
ns
ns
µs
µs
µs
µs
µs
µs
ns
µs
µs
µs
µs
Ω
Ω
V
V
V
V
259