NXP Semiconductors LPC24XX UM10237 - Manual (Page 592)

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User manual Rev. 04 — 26 August 2009 592 of 792
NXP Semiconductors
UM10237
Chapter 22: LPC24XX I 2 C interfaces I 2 C0/1/2
Fig 122. Format and States in the Slave Receiver mode
A
A P OR S A R SLA S
P OR S A
A
68H
60H 80H
88H
reception of the
General Call address
and one or more Data
bytes
arbitration lost as
Master and addressed
as Slave
last data byte
received is Not
acknowledged
arbitration lost as
Master and addressed
as Slave by General
Call
reception of the own
Slave address and one
or more Data bytes all
are acknowledged
from Master to Slave
from Slave to Master
any number of data bytes and their associated Acknowledge bits
n
this number (contained in I2STA) corresponds to a defined state of the I 2 C
bus
DATA A DATA
80H A0H
last data byte is Not
acknowledged
A P OR S A
70h 90h
DATA A DATA
90h A0H
GENERAL CALL
A
98h
P OR S
A
78h
DATA