ATMEGA163L-4AC Atmel, ATMEGA163L-4AC Datasheet - Page 6
ATMEGA163L-4AC
Manufacturer Part Number
ATMEGA163L-4AC
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-4AC
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
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 6 of 187
- Download datasheet (3Mb)
Crystal Oscillator
External Clock
External RC Oscillator
Timer Oscillator
6
ATmega163(L)
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can
be configured for use as an On-chip Oscillator, as shown in Figure 2. Either a quartz
crystal or a ceramic resonator may be used.
Figure 2. Oscillator Connections
To drive the device from an external clock source, XTAL1 should be driven as shown in
Figure 3.
Figure 3. External Clock Drive Configuration
For timing insensitive applications, the external RC configuration shown in Figure 4 can
be used. For details on how to choose R and C, see Table 64 on page 162.
Figure 4. External RC Configuration
For the Timer Oscillator pins, TOSC1 and TOSC2, the crystal is connected directly
between the pins. No external capacitors are needed. The Oscillator is optimized for use
with a 32,768 Hz watch crystal. Applying an external clock source to the TOSC1 pin is
not recommended.
C
R
V
CC
NC
XTAL2
XTAL1
GND
1142E–AVR–02/03
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