ATMEGA323-8AC Atmel, ATMEGA323-8AC Datasheet - Page 215
ATMEGA323-8AC
Manufacturer Part Number
ATMEGA323-8AC
Description
IC AVR MCU 32K 8MHZ COM 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323-8AC
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 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
Other names
ATMEGA3238AC
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External Clock Drive
Waveforms
External Clock Drive
1457G–AVR–09/03
Figure 106. External Clock Drive Waveforms
Table 72. External Clock Drive
Table 73. External RC Oscillator, Typical Frequencies
Note:
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
R should be in the range 3k
given in the table includes pin capacitance. This will vary with package type.
lL1
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
R [k ]
31.5
100
6.5
lH1
V
- 100k , and C should be at least 20pF. The C values
Min
CC
250
100
100
0
= 2.7V to
C [pF]
70
20
20
Max
1.6
1.6
5.5
4
V
V
ATmega323(L)
CC
Min
125
50
50
0
= 4.0V to
Max
0.5
0.5
5.5
8
TBD
TBD
TBD
f
V
Units
MHz
ns
ns
ns
s
s
215
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