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OPTION_REG Folha de dados(PDF) 155 Page - Microchip Technology

Nome de Peças OPTION_REG
Descrição Electrónicos  Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver
PDF  222 Pages
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Fabricante Electrônico  MICROCHIP [Microchip Technology]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

OPTION_REG Folha de dados(HTML) 155 Page - Microchip Technology

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FIGURE 27-8:
I2C SLAVE, 7-BIT ADDRESS, RECEPTION (SEN = 0, AHEN = 1, DHEN = 1)
Receiving Address
Receiving Data
Received Data
P
A7 A6 A5 A4 A3 A2 A1
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
SDA
SCL
BF
CKP
S
P
12
3
4
5
6
7
8
9
1
2
3
4
56
78
9
12
3
4
5
6
7
8
Master sends
Stop condition
S
Data is read from SSPBUF
Cleared by software
SSPIF is set on
9th falling edge of
SCL, after ACK
CKP set by software,
SCL is released
Slave software
9
ACKTIM cleared by
hardware in 9th
rising edge of SCL
sets ACKDT to
not ACK
When DHEN=1:
CKP is cleared by
hardware on 8th falling
edge of SCL
Slave software
clears ACKDT to
ACK the received
byte
ACKTIM set by hardware
on 8th falling edge of SCL
When AHEN=1:
CKP is cleared by hardware
and SCL is stretched
Address is
read from
SSBUF
ACKTIM set by hardware
on 8th falling edge of SCL
ACK
Master Releases SDAx
to slave for ACK sequence
No interrupt
after not ACK
from Slave
ACK=1
ACK
ACKDT
ACKTIM
SSPIF
If AHEN = 1:
SSPIF is set



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