ATMEGA48A-PU Atmel, ATMEGA48A-PU Datasheet - Page 330

IC MCU AVR 4K FLASH 28PDIP

ATMEGA48A-PU

Manufacturer Part Number
ATMEGA48A-PU
Description
IC MCU AVR 4K FLASH 28PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA48A-PU

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
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 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)
Controller Family/series
Atmega
No. Of I/o's
23
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
20MHz
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA48A-PU
Manufacturer:
Microchip Technology
Quantity:
1 051
8271C–AVR–08/10
Figure 28-6. Parallel Programming Timing, Including some General Timing Requirements
Figure 28-7. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 28-8. Parallel Programming Timing, Reading Sequence (within the Same Page) with
Note:
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
XTAL1
DATA
(DATA, XA0/1, BS1, BS2)
BS1
XA0
XA1
OE
PAGEL
XTAL1
1. The timing requirements shown in
1. The timing requirements shown in
DATA
BS1
XA0
XA1
ing operation.
ing operation.
Data & Contol
Timing Requirements
RDY/BSY
ADDR0 (Low Byte)
LOAD ADDRESS
PAGEL
(LOW BYTE)
XTAL1
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
WR
t
XLOL
t
OLDV
t
t
BVPH
DVXH
(1)
(LOW BYTE)
LOAD DATA
DATA (Low Byte)
t
t
XHXL
PHPL
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 28-6
Figure 28-6
t
t
t
t
t
XLXH
XLDX
XLWL
PLBX
PLWL
t
BVDV
(i.e., t
(i.e., t
t
(HIGH BYTE)
BVWL
LOAD DATA
DATA (High Byte)
DVXH
DVXH
(HIGH BYTE)
READ DATA
t
t
DATA (High Byte)
XLPH
WLWH
WLRL
LOAD DATA
, t
, t
XHXL
XHXL
, and t
, and t
t
PLXH
t
OHDZ
t
WLBX
XLDX
XLDX
LOAD ADDRESS
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
ADDR1 (Low Byte)
) also apply to read-
) also apply to load-
ADDR1 (Low Byte)
t
WLRH
(1)
330

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