HD64F2168 Datasheet, PDF (591/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

16.3.18 SMIC Interrupt Register 1 (SMICIR1)
SMICIR1 is one of the registers used to implement SMIC mode. This register includes the bits that
enables/disables an interrupt to the slave. The IBFI3 interrupt is enabled by setting the IBFIE3 bit
in HICR2 to 1.
R/W
Bit Bit Name Initial Value Slave Host Description
7 to 5 
All 0
R/W  Reserved
The initial value should not be changed.
4 HDTWIE 0
R/W 
Transfer Data Transmission End Interrupt Enable
Enables or disables HDTWI interrupt that is IBFI3
interrupt source to the slave.
0: Disables transfer data transmission end interrupt
1: Enables transfer data transmission end interrupt
3 HDTRIE 0
R/W 
Transfer Data Receive End Interrupt Enable
Enables or disables HDTRI interrupt that is IBFI3
interrupt source to the slave.
0: Disables transfer data receive end interrupt
1: Enables transfer data receive end interrupt
2 STARIE 0
R/W 
Status Code Receive End Interrupt Enable
Enables or disables STARI interrupt that is IBFI3
interrupt source to the slave.
0: Disables status code receive end interrupt
1: Enables status code receive end interrupt
1 CTLWIE 0
R/W 
Control Code Transmission End Interrupt Enable
Enables or disables CTLWI interrupt that is IBFI3
interrupt source to the slave.
0: Disables control code transmission end interrupt
1: Enables control code transmission end interrupt
0 BUSYIE 0
R/W 
Transfer Start Interrupt Enable
Enables or disables BUSYI interrupt that is IBFI3
interrupt source to the slave.
0: Disables transfer start interrupt
1: Enables transfer start interrupt
Rev. 3.00, 03/04, page 551 of 830