ATMEGA163L-4AI Atmel, ATMEGA163L-4AI Datasheet - Page 39
ATMEGA163L-4AI
Manufacturer Part Number
ATMEGA163L-4AI
Description
IC AVR MCU 16K A/D 2.7V 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA163-8AC.pdf
(187 pages)
Specifications of ATMEGA163L-4AI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA163L-4AI
Manufacturer:
ATMEL
Quantity:
984
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Timer/Counters
Timer/Counter
Prescalers
1142E–AVR–02/03
The ATmega163 provides three general purpose Timer/Counters – two 8-bit T/Cs and
one 16-bit T/C. Timer/Counter2 can optionally be asynchronously clocked from an exter-
nal Oscillator. This Oscillator is optimized for use with a 32.768 kHz watch crystal,
enabling use of Timer/Counter2 as a Real Time Clock (RTC). Timer/Counter0 and
Timer/Counter1 have individual prescaling selection from the same 10-bit prescaler.
Timer/Counter2 has its own prescaler. Both these prescalers can be reset by setting the
corresponding control bits in the Special Functions I/O Register (SFIOR). These
Timer/Counters can either be used as a timer with an internal clock time-base or as a
counter with an external pin connection which triggers the counting.
Figure 30. Prescaler for Timer/Counter0 and Timer/Counter1
For Timer/Counter0 and Timer/Counter1, the four different prescaled selections are:
CK/8, CK/64, CK/256, and CK/1024, where CK is the Oscillator clock. For the two
Timer/Counter0 and Timer/Counter1, CK, external source, and stop can also be
selected as clock sources. Setting the PSR10 bit in SFIOR resets the prescaler. This
allows the user to operate with a predictable prescaler. Note that Timer/Counter1 and
Timer/Counter0 share the same prescaler and a Prescaler Reset will affect both
Timer/Counters.
PSR10
TCK1
Clear
ATmega163(L)
TCK0
39
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