Philips LPC2101 - Page 143

© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
User manual Rev. 01 — 12 January 2006 143
Philips Semiconductors
UM10161
Volume 1
Chapter 11: I
2
C interfaces
0x98 Previously addressed
with General Call;
DATA byte has been
received; NOT ACK
has been returned.
Read data byte or 0 0 0 0 Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
Read data byte or 0 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR[0] = logic 1.
Read data byte or 1 0 0 0 Switched to not addressed SLV mode; no
recognition of own SLA or General call
address. A START condition will be
transmitted when the bus becomes free.
Read data byte 1 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR[0] = logic 1. A START condition
will be transmitted when the bus becomes
free.
0xA0 A STOP condition or
repeated START
condition has been
received while still
addressed as
SLV/REC or SLV/TRX.
No STDAT action
or
0 0 0 0 Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
No STDAT action
or
0 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR[0] = logic 1.
No STDAT action
or
1 0 0 0 Switched to not addressed SLV mode; no
recognition of own SLA or General call
address. A START condition will be
transmitted when the bus becomes free.
No STDAT action 1 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR[0] = logic 1. A START condition
will be transmitted when the bus becomes
free.
Table 135: Slave Receiver mode
Status
Code
(I2CSTAT)
Status of the I
2
C-bus
and hardware
Application software response Next action taken by I
2
C hardware
To/From I2DAT To I2CON
STA STO SI AA