ATMEGA88-20PU Atmel, ATMEGA88-20PU Datasheet - Page 320

IC AVR MCU 8K 20MHZ 5V 28DIP

ATMEGA88-20PU

Manufacturer Part Number
ATMEGA88-20PU
Description
IC AVR MCU 8K 20MHZ 5V 28DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA88-20PU

Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K 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 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
20MHz
Interface Type
SPI/TWI/USART
Total Internal Ram Size
1KB
# I/os (max)
23
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
6-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Through Hole
Pin Count
28
Package Type
PDIP
Processor Series
ATMEGA8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRTS2080A, ATASTK512-EK1-IND
Minimum Operating Temperature
- 40 C
Package
28PDIP
Family Name
ATmega
Maximum Speed
20 MHz
For Use With
ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
29.3
320
Supply Current of I/O modules
ATmega48/88/168
Figure 29-12. Idle Supply Current vs. V
The tables and formulas below can be used to calculate the additional current consumption for
the different I/O modules in Active and Idle mode. The enabling or disabling of the I/O modules
are controlled by the Power Reduction Register. See
details.
Table 29-1.
Table 29-2.
PRR bit
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
PRR bit
PRUSART0
PRTWI
PRTIM2
30
25
20
15
10
5
0
1.5
Additional Current Consumption for the different I/O modules (absolute values)
Additional Current Consumption (percentage) in Active and Idle mode
2
Typical numbers
8.0 µA
12 µA
11 µA
5.0 µA
4.0 µA
15 µA
12 µA
Additional Current consumption
compared to Active with external
clock
(see
3.3%
4.8%
4.7%
V
CC
Figure 29-1
= 2V, F = 1 MHz
2.5
3
and
Figure
CC
V
CC
(32 kHz External Oscillator)
3.5
(V)
51 µA
75 µA
72 µA
32 µA
24 µA
95 µA
75 µA
29-2)
V
CC
4
= 3V, F = 4 MHz
“Power Reduction Register” on page 40
Additional Current consumption
compared to Idle with external clock
(see
18%
26%
25%
4.5
Figure 29-7
5
220 µA
315 µA
300 µA
130 µA
100 µA
400 µA
315 µA
V
and
CC
5.5
= 5V, F = 8 MHz
25°C
Figure
2545S–AVR–07/10
29-8)
for

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