Renesas R5S72625 Manuale Utente

 
Section 21   IEBus

TM

 Controller 

Page 1120 of 2108 

 

R01UH0134EJ0400  Rev. 4.00 

 

 Sep 

24, 

2014 

SH7262 Group, SH7264 Group

3 

LCK 

0 

R 

Lock Status Indication 

Set to 1 when a unit is locked by a lock request from 
the master unit. IELA1 and IELA2 values are valid only 
when this flag is set to 1. 

0: A unit is unlocked 

1: A unit is locked 

[Setting condition] 

  When data for the number of bytes specified by the 

message length is not received after the control bits 

that make the unit locked are received from the 

master unit. (The LCK flag is set to 1 only when the 

message length exceeds the maximum number of 

transfer bytes in one frame. This flag is not set by 

completion of other errors.) 

[Clearing condition] 

  When an unlock condition is satisfied or when an 

unlock command is issued. 

2 

 0 

R 

Reserved 

This bit is always read as 0. The write value should 
always be 0. 

1 

RSS 

0 

R 

Receive Broadcast Bit Status 

Indicates the received broadcast bit value. This flag is 
valid when the slave/broadcast reception is started. 
(This flag is changed at the time of setting the RXS 
flag.) 

The previous value remains unchanged until the next 
slave/broadcast reception is started. 

0: Received broadcast bit is 0 

1: Received broadcast bit is 1