Riicnfer - I²C Bus Function Enable Register - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
18.3.6 RIICnFER — I²C Bus Function Enable Register
Access: RIICnFER is a 32-bit readable/writable register.
RIICnFERL and RIICnFERH are 16-bit readable/writable registers.
RIICnFERLL, RIICnFERLH, RIICnFERHL, and RIICnFERHH are 8-bit readable/writable registers.
Address: RIICnFER: <RIICn_base> + 0014
RIICnFERL: <RIICn_base> + 0014
RIICnFERLL: <RIICn_base> + 0014
RIICnFERHH: <RIICn_base> + 0017
Initial Value: 0000 0072
Bit 31 30 29
— — —
Initial value 0 0 0
R/W R R R
Bit 15 14 13
— — —
0 0 0
Initial value
R/W R R R
Table 18.11
Bit Position
31 to 7
6
5
4
3
2
1
0
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
H
, RIICnFERH: <RIICn_base> + 0016
H
, RIICnFERLH: <RIICn_base> + 0015
H
H
This register is initialized by any reset.
H
28 27 26
— — —
0 0 0
R R R
12 11 10
— — —
0 0 0
R R R
RIICnFER register contents
Bit Name Function
― Reserved
These bits are read as 0. The write value should be 0.
SCLE SCL Synchronous Circuit Enable
0: No SCL synchronous circuit is used.
1: An SCL synchronous circuit is used.
NFE Digital Noise Filter Circuit Enable
0: No digital noise filter circuit is used.
1: A digital noise filter circuit is used.
NACKE NACK Reception Transfer Suspension Enable
0: Transfer operation is not suspended during NACK reception (transfer
1: Transfer operation is suspended during NACK reception (transfer
SALE Slave Arbitration-Lost Detection Enable
0: Slave arbitration-lost detection is disabled.
1: Slave arbitration-lost detection is enabled.
NALE NACK Transmission Arbitration-Lost Detection Enable
0: NACK transmission arbitration-lost detection is disabled.
1: NACK transmission arbitration-lost detection is enabled.
MALE Master Arbitration-Lost Detection Enable
0: Master arbitration-lost detection is disabled.
1: Master arbitration-lost detection is enabled.
TMOE Timeout Function Enable
0: The timeout function is disabled.
1: The timeout function is enabled.
H
, RIICnFERHL: <RIICn_base> + 0016
H
25 24 23 22
— — — —
0 0 0 0
R R R R
9 8 7 6
— — — SCLE
0 0 0 1
R R R R/W
suspension disabled).
suspension enabled).
(Disables the arbitration-lost detection function and does not clear the
RIICnCR2.MST and TRS bits automatically when arbitration is lost.)
(Enables the arbitration-lost detection function and clears the
RIICnCR2.MST and TRS bits automatically when arbitration is lost.)
18. I²C Bus Interface
21 20 19 18
— — — —
0 0 0 0
R R R R
5 4 3 2
NFE NACKE SALE NALE
1 1 0 0
R/W R/W R/W R/W
,
H
17 16
— —
0 0
R R
1 0
MALE TMOE
1 0
R/W R/W
18-21