Renesas R5S72643 User Manual

 
Section 21   IEBus

TM

 Controller 

Page 1108 of 2108 

 

R01UH0134EJ0400  Rev. 4.00 

 

 Sep 

24, 

2014 

SH7262 Group, SH7264 Group

3 to 0 

CTL*

1

 0000 

R/W 

Control 

Set the control bits in the control field for master 
transmission. 

0000: Reads slave status 

0001: Undefined*

3

 

0010: Undefined*

3

 

0011: Reads data and locks*

2

 

0100: Reads locked address (lower 8 bits) 

0101: Reads locked address (upper 4 bits) 

0110: Reads slave status and unlocks*

2

 

0111: Reads data 

1000: Undefined*

3

 

1001: Undefined*

3

 

1010: Writes command and locks*

2

 

1011: Writes data and locks*

2

 

1100: Undefined*

3

 

1101: Undefined*

3

 

1110: Writes command 

1111: Writes data 

Notes:  1.  CTL3 decides the data transfer direction of the message length bits in the message 

length field and data bits in the data field: 

 

 

CTL3 = 1: Transfer is from master unit to slave unit 

 

 

CTL3 = 0: Transfer is from slave unit to master unit 

 

2.  Control bits to lock and unlock 

 3. 

Setting 

prohibited.