ATMEGA8535-16PU Atmel, ATMEGA8535-16PU Datasheet - Page 24
ATMEGA8535-16PU
Manufacturer Part Number
ATMEGA8535-16PU
Description
IC AVR MCU 8K 16MHZ 5V 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA8535L-8AU.pdf
(22 pages)
2.ATMEGA8535L-8AU.pdf
(321 pages)
3.ATMEGA8535-16PU.pdf
(317 pages)
Specifications of ATMEGA8535-16PU
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
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Processor Series
ATMEGA8x
Core
AVR8
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
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
A/d Inputs
8-Channel, 10-Bit
Cpu Speed
16 MIPS
Eeprom Memory
512 Bytes
Input Output
32
Interface
SPI/TWI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
Programmable Memory
8K Bytes
Timers
2-8-bit, 1-16-bit
Voltage, Range
4.5-5.5 V
Controller Family/series
AVR MEGA
No. Of I/o's
32
Eeprom Memory Size
512Byte
Ram Memory Size
512Byte
Rohs Compliant
Yes
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA8535-16PU
Manufacturer:
ATMEL
Quantity:
1 500
Part Number:
ATMEGA8535-16PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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System Clock and
Clock Options
Clock Systems and their
Distribution
CPU Clock – clk
I/O Clock – clk
Flash Clock – clk
24
ATmega8535(L)
I/O
CPU
FLASH
Figure 11 presents the principal clock systems in the AVR and their distribution. All of
the clocks need not be active at a given time. In order to reduce power consumption, the
clocks to modules not being used can be halted by using different sleep modes, as
described in “Power Management and Sleep Modes” on page 32. The clock systems
are detailed below.
Figure 11. Clock Distribution
The CPU clock is routed to parts of the system concerned with operation of the AVR
core. Examples of such modules are the General Purpose Register File, the Status Reg-
ister and the data memory holding the Stack Pointer. Halting the CPU clock inhibits the
core from performing general operations and calculations.
The I/O clock is used by the majority of the I/O modules, like Timer/Counters, SPI, and
USART. The I/O clock is also used by the External Interrupt module, but note that some
external interrupts are detected by asynchronous logic, allowing such interrupts to be
detected even if the I/O clock is halted. Also note that address recognition in the TWI
module is carried out asynchronously when clk
tion in all sleep modes.
The Flash clock controls operation of the Flash interface. The Flash clock is usually
active simultaneously with the CPU clock.
Asynchronous
Timer/Counter
Timer/Counter
Oscillator
General I/O
External RC
Modules
Oscillator
clk
clk
ASY
I/O
External Clock
Control Unit
AVR Clock
Multiplexer
ADC
Clock
Source clock
clk
ADC
I/O
Reset Logic
CPU Core
clk
Oscillator
clk
Crystal
is halted, enabling TWI address recep-
CPU
FLASH
Watchdog clock
Crystal Oscillator
Low-frequency
RAM
Watchdog Timer
Watchdog
Oscillator
2502K–AVR–10/06
Calibrated RC
Flash and
EEPROM
Oscillator
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