ATMEGA323-8PI Atmel, ATMEGA323-8PI Datasheet - Page 123

• Manufacturer Part Number: ATMEGA323-8PI
• Description: IC AVR MCU 32K 8MHZ IND 40DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

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

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”
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