ATMEGA163L-4AI Atmel, ATMEGA163L-4AI Datasheet - Page 96
ATMEGA163L-4AI
Manufacturer Part Number
ATMEGA163L-4AI
Description
IC AVR MCU 16K A/D 2.7V 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA163-8AC.pdf
(187 pages)
Specifications of ATMEGA163L-4AI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
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)
2.7 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA163L-4AI
Manufacturer:
ATMEL
Quantity:
984
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Assembly Code Example –
Slave Receiver Mode
96
ATmega163(L)
Figure 54. Formats and States in the Slave Receiver Mode
Reception of the Own
Slave Address and One or
More Data Bytes. All are
Acknowledged
Last Data Byte Received
is not Acknowledged
Arbitration Lost as Master
and Addressed as Slave
Reception of the General Call
Address and One or More Data
Bytes
Last Data Byte Received is
not Acknowledged
Arbitration Lost as Master and
Addressed as Slave by General Call
;Part specific include file and TWI include file must be included.
; <Initialize registers TWAR and TWBR>
; <Receive START condition and SLA+W>
wait10:in
ldi
out
sbrs
rjmp
From Master to Slave
From Slave to Master
in
cpi
brne
ldi
out
r16, (1<<TWINT) | (1<<TWEA) | (1<<TWEN)
TWCR, r16
r16,TWCR
r16, TWINT
wait10
r16, TWSR
r16, SR_SLA_ACK ; different from SR_SLA_ACK, go to ERROR
ERROR
r16, (1<<TWINT) | (1<<TWEA) | (1<<TWEN)
TWCR, r16
S
SLA
General Call
; Enable TWI in Slave Receiver Mode
; Wait for TWINT flag set. This indicates that
; START followed by SLA+W has been received
; Check value of TWI Status Register. If status
; Clear TWINT bit in TWCR to start reception of
; first data byte. Setting TWEA indicates that
W
DATA
$60
$68
$70
$78
A
A
A
A
n
A
DATA
DATA
Any Number of Data Bytes
and their Associated Acknowledge Bits
This Number (Contained in TWSR) Corresponds
to a Defined State of the Two-wire Serial Bus
$80
$90
A
A
DATA
DATA
1142E–AVR–02/03
$80
$90
$88
$98
A
A
A
A
P or S
P or S
P or S
P or S
$A0
$A0
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