ATMEGA323-8AI Atmel, ATMEGA323-8AI Datasheet - Page 123
![IC AVR MCU 32K 8MHZ IND 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA323-8AI
Manufacturer Part Number
ATMEGA323-8AI
Description
IC AVR MCU 32K 8MHZ IND 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323-8AI
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)
4.5 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
Other names
ATMEGA3238AI
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1457G–AVR–09/03
.equ
.equ
;***** Master Receiver status codes *****
.equ
.equ
.equ
.equ
.equ
;***** Slave Transmitter status codes *****
.equ
.equ
.equ
.equ
.equ
;***** Slave Receiver status codes *****
.equ
.equ
.equ
.equ
.equ
.equ
.equ
.equ
.equ
;***** Miscellaneous States *****
.equ
.equ
MT_DATA_NACK
MT_ARB_LOST
MR_ARB_LOST
MR_SLA_ACK
MR_SLA_NACK
MR_DATA_ACK
MR_DATA_NACK
ST_SLA_ACK
ST_ARB_LOST_SLA_ACK=$B0 ;Arbitration lost in SLA+R/W as Master. Own
ST_DATA_ACK
ST_DATA_NACK
ST_LAST_DATA
SR_SLA_ACK
SR_ARB_LOST_SLA_ACK=$68;Arbitration lost in SLA+R/W as Master. Own
SR_GCALL_ACK
SR_ARB_LOST_GCALL_ACK=$78;Arbitration lost in SLA+R/W as Master.
SR_DATA_ACK
SR_DATA_NACK
SR_GCALL_DATA_ACK=$90 ;Previously addressed with General Call.Data
SR_GCALL_DATA_NACK=$98 ;Previously addressed with General Call. Data
SR_STOP
NO_INFO
BUS_ERROR
=$30
=$38
=$38
=$40
=$48
=$50
=$58
=$A8
=$B8
=$C0
=$C8
=$60
=$70
=$80
=$88
=$A0
=$F8
=$00
;Data byte has been transmitted and NACK
;received
;Arbitration lost in SLA+W or data bytes
;Arbitration lost in SLA+R or NACK bit
;SLA+R has been transmitted and ACK received
;SLA+R has been transmitted and NACK received
;Data byte has been received and ACK returned
;Data byte has been received and NACK
;transmitted
;Own SLA+R has been received and ACK returned
;SLA+W has been received and ACK returned
;Data byte has been transmitted and ACK
;received
;Data byte has been transmitted and NACK
;received
;Last byte in I2DR has been transmitted
;(TWEA =
;SLA+R has been received and ACK returned
;SLA+R has been received and ACK returned
;General call has been received and ACK
;returned
;General Call has been received and ACK
;returned
;Previously addressed with own SLA+W. Data byte
;has been received and ACK returned
;Previously addressed with own SLA+W. Data byte
;has been received and NACK returned
;byte has been received and ACK returned
;byte has been received and NACK returned
;A STOP condition or repeated START condition
;has been received while still addressed as a
;Slave
;No relevant state information; TWINT =
;Bus error due to illegal START or STOP
;condition
“0”
), ACK has been received
ATmega323(L)
“0”
123
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