ATMEGA16-16PU Atmel, ATMEGA16-16PU Datasheet - Page 117
![IC AVR MCU 16K 16MHZ 5V 40DIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA16-16PU
Manufacturer Part Number
ATMEGA16-16PU
Description
IC AVR MCU 16K 16MHZ 5V 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA16L-8MI.pdf
(26 pages)
2.ATMEGA16L-8MI.pdf
(357 pages)
3.ATMEGA16-16PU.pdf
(358 pages)
4.ATMEGA16-16PU.pdf
(351 pages)
Specifications of ATMEGA16-16PU
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
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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)
Package
40PDIP
Device Core
AVR
Family Name
ATmega
Maximum Speed
16 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
32
Interface Type
TWI/SPI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Processor Series
ATMEGA16x
Core
AVR8
Data Ram Size
1 KB
Maximum Clock Frequency
16 MHz
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
A/d Inputs
8-Channel, 10-Bit
Cpu Speed
16 MIPS
Eeprom Memory
512 Bytes
Input Output
32
Interface
JTAG/SPI/UART
Memory Type
Flash
Number Of Bits
8
Package Type
44-pin PDIP
Programmable Memory
16K 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
1KB
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG 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:
ATMEGA16-16PU
Manufacturer:
Atmel
Quantity:
140
- ATMEGA16L-8MI PDF datasheet
- ATMEGA16L-8MI PDF datasheet #2
- ATMEGA16-16PU PDF datasheet #3
- ATMEGA16-16PU PDF datasheet #4
- Current page: 117 of 351
- Download datasheet (3Mb)
Definitions
Timer/Counter Clock
Sources
Counter Unit
2466J–AVR–10/04
The double buffered Output Compare Register (OCR2) is compared with the
Timer/Counter value at all times. The result of the compare can be used by the wave-
form generator to generate a PWM or variable frequency output on the Output Compare
Pin (OC2). See “Output Compare Unit” on page 118. for details. The compare match
event will also set the Compare Flag (OCF2) which can be used to generate an output
compare interrupt request.
Many register and bit references in this document are written in general form. A lower
case “n” replaces the Timer/Counter number, in this case 2. However, when using the
register or bit defines in a program, the precise form must be used (i.e., TCNT2 for
accessing Timer/Counter2 counter value and so on). The definitions in Table 49 are also
used extensively throughout the document.
Table 49. Definitions
The Timer/Counter can be clocked by an internal synchronous or an external asynchro-
nous clock source. The clock source clk
When the AS2 bit in the ASSR Register is written to logic one, the clock source is taken
from the Timer/Counter Oscillator connected to TOSC1 and TOSC2. For details on
asynchronous operation, see “Asynchronous Status Register – ASSR” on page 130. For
details on clock sources and prescaler, see “Timer/Counter Prescaler” on page 133.
The main part of the 8-bit Timer/Counter is the programmable bi-directional counter unit.
Figure 54 shows a block diagram of the counter and its surrounding environment.
Figure 54. Counter Unit Block Diagram
Signal description (internal signals):
BOTTOM
MAX
TOP
count
direction
clear
clk
DATA BUS
T2
TCNTn
The counter reaches the BOTTOM when it becomes zero (0x00).
The counter reaches its MAXimum when it becomes 0xFF (decimal
255).
The counter reaches the TOP when it becomes equal to the highest
value in the count sequence. The TOP value can be assigned to be the
fixed value 0xFF (MAX) or the value stored in the OCR2 Register. The
assignment is dependent on the mode of operation.
Increment or decrement TCNT2 by 1.
Selects between increment and decrement.
Clear TCNT2 (set all bits to zero).
Timer/Counter clock.
direction
count
clear
bottom
Control Logic
top
TOVn
(Int.Req.)
T2
clk
is by default equal to the MCU clock, clk
Tn
Prescaler
ATmega16(L)
Oscillator
T/C
clk
I/O
TOSC2
TOSC1
117
I/O
.
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