ATMEGA8535-16PU Atmel, ATMEGA8535-16PU Datasheet - Page 129
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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Timer/Counter Register –
TCNT2
2502G–AVR–04/05
Table 54 shows the COM21:0 bit functionality when the WGM21:0 bits are set to phase
correct PWM mode.
Table 54. Compare Output Mode, Phase Correct PWM Mode
Note:
• Bit 2:0 – CS22:0: Clock Select
The three clock select bits select the clock source to be used by the Timer/Counter, see
Table 55.
Table 55. Clock Select Bit Description
The Timer/Counter Register gives direct access, both for read and write operations, to
the Timer/Counter unit 8-bit counter. Writing to the TCNT2 Register blocks (removes)
the Compare Match on the following timer clock. Modifying the counter (TCNT2) while
the counter is running, introduces a risk of missing a Compare Match between TCNT2
and the OCR2 Register.
Bit
Read/Write
Initial Value
COM21
CS22
0
0
1
1
0
0
0
0
1
1
1
1
1. A special case occurs when OCR2 equals TOP and COM21 is set. In this case, the
COM20
Compare Match is ignored, but the set or clear is done at TOP. See “Phase Correct
PWM Mode” on page 124 for more details.
CS21
0
1
0
1
R/W
0
0
1
1
0
0
1
1
7
0
Description
Normal port operation, OC2 disconnected.
Reserved
Clear OC2 on Compare Match when up-counting. Set OC2 on Compare
Match when down-counting.
Set OC2 on Compare Match when up-counting. Clear OC2 on Compare
Match when down-counting.
R/W
6
0
CS20
0
1
0
1
0
1
0
1
R/W
5
0
Description
No clock source (Timer/Counter stopped).
clk
clk
clk
clk
clk
clk
clk
T
T
T2S
T2S
T2S
T2S
T2S
2
2
S
S
/256 (From prescaler)
/1024 (From prescaler)
R/W
/(No prescaling)
/8 (From prescaler)
/32 (From prescaler)
/64 (From prescaler)
/128 (From prescaler)
4
0
TCNT2[7:0]
R/W
3
0
R/W
2
0
ATmega8535(L)
(1)
R/W
1
0
R/W
0
0
TCNT2
129
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