ATMEGA8535-16MC Atmel, ATMEGA8535-16MC Datasheet - Page 260

• Manufacturer Part Number: ATMEGA8535-16MC
• Description: IC AVR MCU 8K 16MHZ COM 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8535-16MC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-VQFN Exposed Pad
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: 2-Wire, SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 127. Two-wire Serial Bus Timing
260
SCL
SDA
4. f
5. This requirement applies to all ATmega8535 Two-wire Serial Interface operation. Other devices connected to the Two-wire
6. The actual low period generated by the ATmega8535 Two-wire Serial Interface is (1/f
7. The actual low period generated by the ATmega8535 Two-wire Serial Interface is (1/f
t
ATmega8535(L)
SU;STA
Serial Bus need only obey the general f
than 6 MHz for the low time requirement to be strictly met at f
ment will not be strictly met for f
communicate at full speed (400 kHz) with other ATmega8535 devices, as well as any other device with a proper t
tance margin.
CK
= CPU clock frequency.
t
HD;STA
t
t
of
LOW
SCL
> 308 kHz when f
SCL
t
HIGH
requirement.
t
HD;DAT
CK
t
LOW
= 8 MHz. Still, ATmega8535 devices connected to the bus may
SCL
= 100 kHz.
t
SU;DAT
SCL
SCL
- 2/f
- 2/f
CK
CK
), thus the low time require-
t
), thus f
SU;STO
t
r
CK
must be greater
2502K–AVR–10/06
LOW
t
BUF
accep-