ATMEGA8535-16PU Atmel, ATMEGA8535-16PU Datasheet - Page 127
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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8-bit Timer/Counter
Register Description
Timer/Counter Control
Register – TCCR2
2502G–AVR–04/05
Figure 63. Timer/Counter Timing Diagram, Clear Timer on Compare Match Mode, with
Prescaler (f
• Bit 7 – FOC2: Force Output Compare
The FOC2 bit is only active when the WGM bits specify a non-PWM mode. However, for
ensuring compatibility with future devices, this bit must be set to zero when TCCR2 is
written when operating in PWM mode. When writing a logical one to the FOC2 bit, an
immediate Compare Match is forced on the Waveform Generation unit. The OC2 output
is changed according to its COM21:0 bits setting. Note that the FOC2 bit is implemented
as a strobe. Therefore it is the value present in the COM21:0 bits that determines the
effect of the forced compare.
A FOC2 strobe will not generate any interrupt, nor will it clear the timer in CTC mode
using OCR2 as TOP.
The FOC2 bit is always read as zero.
• Bit 6, 3 – WGM21:0: Waveform Generation Mode
These bits control the counting sequence of the counter, the source for the maximum
(TOP) counter value, and what type of waveform generation to be used. Modes of oper-
ation supported by the Timer/Counter unit are: Normal mode, Clear Timer on Compare
Match (CTC) mode, and two types of Pulse Width Modulation (PWM) modes. See Table
51 and “Modes of Operation” on page 121.
TCNTn
Bit
Read/Write
Initial Value
(clk
(CTC)
OCRn
OCFn
clk
clk
I/O
I/O
Tn
/8)
clk_I/O
FOC2
W
7
0
/8)
TOP - 1
WGM20
R/W
6
0
COM21
R/W
5
0
COM20
R/W
TOP
4
0
WGM21
TOP
R/W
3
0
CS22
R/W
ATmega8535(L)
BOTTOM
2
0
CS21
R/W
1
0
CS20
R/W
0
0
BOTTOM + 1
TCCR2
127
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