ATMEGA32L-8AI Atmel, ATMEGA32L-8AI Datasheet - Page 289
ATMEGA32L-8AI
Manufacturer Part Number
ATMEGA32L-8AI
Description
IC AVR MCU 32K LV 8MHZ IND44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32L-8AI
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)
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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Price
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External Clock
Drive Waveforms
External Clock
Drive
2503Q–AVR–02/11
5. Minimum V
5] The sum of all IOH, for ports D3 - D7, should not exceed 100mA.
6] The sum of all IOH, for ports C0 - C7, should not exceed 100mA.If IOH exceeds the test condition, VOH may exceed the
related specification. Pins are not guaranteed to source current greater than the listed test condition.
CC
for Power-down is 2.5V.
Figure 144. External Clock Drive Waveforms
Table 117. External Clock Drive
Table 118. External RC Oscillator, Typical Frequencies (V
Notes:
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
1. R should be in the range 3kΩ - 100kΩ, and C should be at least 20pF. The C values given in
2. The frequency will vary with package type and board layout.
the table includes pin capacitance. This will vary with package type.
R [kΩ]
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from
one clock cycle to the
next
V
33
10
IL1
V
(1)
IH1
V
CC
Min
125
50
50
0
= 2.7V to
C [pF]
22
22
Max
1.6
1.6
5.5
8
2
V
CC
V
62.5
Min
CC
25
25
0
= 5V)
= 4.5V to
ATmega32(L)
Max
0.5
0.5
650kHz
2.0MHz
16
5.5
2
f
(2)
V
Units
MHz
μs
ns
%
289
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