ATMEGA323-8PI Atmel, ATMEGA323-8PI Datasheet - Page 191
ATMEGA323-8PI
Manufacturer Part Number
ATMEGA323-8PI
Description
IC AVR MCU 32K 8MHZ IND 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323-8PI
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
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
ATMEGA3238PI
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1457G–AVR–09/03
C. Load Data Low Byte
D. Load Data High Byte
E. Latch Data High and Low Byte
F. Repeat B through F 64 Times to Fill the Page Buffer.
To address a page in the Flash, 8 bits are needed (256 pages). The 6 most significant
bits are read from address High Byte as described in section “H” below. The two least
significant page address bits however, are the two most significant bits (bit7 and bit6) of
the latest loaded address Low Byte as described in section “B”.
G. Load Address High Byte
H. Program Page
I. End Page Programming
J. Repeat A through I 256 Times or Until All Data Has Been Programmed.
1. Set XA1, XA0 to “01”. This enables data loading.
2. Set DATA = Data Low Byte ($00 - $FF).
3. Give XTAL1 a positive pulse. This loads the data byte.
1. Set BS1 to “1”. This selects high data byte.
2. Set XA1, XA0 to “01”. This enables data loading.
3. Set DATA = Data High Byte ($00 - $FF).
4. Give XTAL1 a positive pulse. This loads the data byte.
1. Set BS1 to “1”.
2. Give PAGEL a positive pulse. See Figure 94 for signal waveforms.
1. 1. Set XA1, XA0 to “00”. This enables address loading.
2. Set BS1 to “1”. This selects high address.
3. Set DATA = Address High Byte ($00 - $3F).
4. Give XTAL1 a positive pulse. This loads the address High Byte.
1. Give WR a negative pulse. This starts programming of the entire page of
2. Wait until RDY/BSY goes high.
1. 1. Set XA1, XA0 to “10”. This enables command loading.
2. Set DATA to “0000 0000”. This is the command for No Operation.
3. Give XTAL1 a positive pulse. This loads the command, and the internal write
data. RDY/BSYgoes low.
(See Figure 95 for signal waveforms)
signals are reset.
ATmega323(L)
191
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