ATMEGA162L-8AI Atmel, ATMEGA162L-8AI Datasheet - Page 263

• Manufacturer Part Number: ATMEGA162L-8AI
• Description: IC MCU AVR 16K 3V 8MHZ 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA162L-8AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• 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
• 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
• Data Converters: -

External Clock Drive
Waveforms
External Clock Drive
2513C–AVR–09/02
Figure 113. External Clock Drive Waveforms
Table 113. External Clock Drive
Table 114. External RC Oscillator, Typical Frequencies
Note:
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
1. R should be in the range 3 k - 100 k , and C should be at least 20 pF. The C values
given in the table includes pin capacitance. This will vary with package type.
Parameter
Oscillator
Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in
period from one
clock cycle to
the next
V
R [k ]
IL1
31.5
100
6.5
V
IH1
V
1000
Min.
CC
400
400
0
= 1.8 - 3.6V
Max.
2.0
2.0
1
2
C [pF]
V
70
20
20
Min.
125
CC
50
50
0
=2.7 - 5.5V
ATmega162(V/U/L)
Max.
(1)
1.6
1.6
8
2
V
Min.
62.5
CC
25
25
0
= 4.5 - 5.5V
Max.
TBD
TBD
TBD
0.5
0.5
16
2
f
Units
MHz
ns
ns
ns
%
s
s
263