ATMEGA163-8PC Atmel, ATMEGA163-8PC Datasheet - Page 97

• Manufacturer Part Number: ATMEGA163-8PC
• Description: IC AVR MCU 16K A/D 8MHZ 40DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA163-8PC

• 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: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1142E–AVR–02/03
wait12:in
wait13:in
;<Wait for next data transmission or do something else>
sbrs
rjmp
in
cpi
brne
in
nop
ldi
out
sbrs
rjmp
in
cpi
brne
in
nop
ldi
out
r16, TWINT
wait12
r16, TWSR
r16, SR_DATA_ACK ; different from SR_DATA_ACK, go to ERROR
ERROR
r16, TWDR
r16, (1<<TWINT) | (1<<TWEN)
TWCR, r16
r16,TWCR
r16, TWINT
wait13
r16, TWSR
r16, SR_DATA_NACK ; different from SR_DATA_NACK, go to ERROR
ERROR
r16, TWDR
r16, (1<<TWINT) | (1<<TWEA) | (1<<TWEN)
TWCR, r16
r16,TWCR
; ACK should be returned after receiving first
; data byte
; Wait for TWINT flag set. This indicates that
; data has been received and ACK returned
; Check value of TWI Status Register. If status
; Input received data from TWDR.
;<do something with received data>
; Clear TWINT bit in TWCR to start reception of
; data. Not setting TWEA causes NACK to be
; returned after reception of next data byte
; Wait for TWINT flag set. This indicates that
; data has been received and NACK returned
; Check value of TWI Status Register. If status
; Input received data from TWDR.
;<do something with received data>
; Clear TWINT bit in TWCR to start reception of
; data. Setting TWEA causes TWI unit to enter
; not addressed slave mode with reckognition of
; own SLA
ATmega163(L)
97