Renesas R5S72624 User Manual

Page of 2152
 
Section 17   I
2
C Bus Interface 3 
R01UH0134EJ0400  Rev. 4.00  
 
Page 853 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
17.3.1
 
I
2
C Bus Control Register 1 (ICCR1) 
ICCR1 is an 8-bit readable/writable register that enables or disables the I
2
C bus interface 3, 
controls transmission or reception, and selects master or slave mode, transmission or reception, 
and transfer clock frequency in master mode. 
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
ICE
RCVD
MST
TRS
CKS[3:0]
 
 
Bit Bit 
Name 
Initial 
Value R/W Description 
7 ICE  0 R/W 
I
2
C Bus Interface 3 Enable 
0: SCL and SDA output is disabled. (Input to SCL and 
SDA is enabled.) 
1: This bit is enabled for transfer operations. (SCL and 
SDA pins are bus drive state.) 
6 RCVD 
0 R/W 
Reception 
Disable 
Enables or disables the next operation when TRS is 0 
and ICDRR is read. 
0: Enables next reception 
1: Disables next reception