Duty Measurement Control Register 2 (Twcr2) - Renesas H8S/2437 Hardware Manual

14.3.4

Duty Measurement Control Register 2 (TWCR2)

TWCR2 controls enabling or disabling interrupt request signals, status flag indication, and duty
measurement operation.
Bit Bit Name Initial Value
7 ENDIE 0
6 OVIE 0
5 ENDF 0
4 OVF 0

3 to All 0
1
Rev. 1.00, 09/03, page 404 of 704
R/W Description
R/W Duty Measurement End Interrupt Enable
When the ENDF flag in TWCR2 is set to 1, this bit
enables or disables an interrupt request by the ENDF
flag.
0: Disables an interrupt request (TWENDI) by ENDF
1: Enables an interrupt request (TWENDI) by ENDF
R/W Overflow Interrupt Enable
When the OVF flag in TWCR2 is set to 1, this bit enables
or disables an interrupt request by the OVF flag.
0: Disables an interrupt request (TWOVI) by OVF
1: Enables an interrupt request (TWOVI) by OVF
R/(W Duty Measurement End
)*
A status flag indicating that duty measurement has
ended.
[Setting condition]
When duty measurement ends
[Clearing condition]
When 0 is written to ENDF after reading ENDF = 1
R/(W Overflow Flag
)*
A flag indicating that a TWCNT overflow has occurred.
[Setting condition]
When TWCNT overflows from H'FF to H'00
[Clearing condition]
When 0 is written to OVF after reading OVF = 1
R/W Reserved
The initial value should not be changed.