HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 502

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Bit 5—Underflow Flag (TCFU): Status flag that indicates that TCNT underflow has occurred
when channels 1, 2, 4, and 5 are set to phase counting mode.
In channels 0 and 3, bit 5 is reserved. It is always read as 0 and cannot be modified.
Bit 5
TCFU
0
1
Bit 4—Overflow Flag (TCFV): Status flag that indicates that TCNT overflow has occurred.
Bit 4
TCFV
0
1
Bit 3—Input Capture/Output Compare Flag D (TGFD): Status flag that indicates the
occurrence of TGRD input capture or compare match in channels 0 and 3.
In channels 1, 2, 4, and 5, bit 3 is reserved. It is always read as 0 and cannot be modified.
Bit 3
TGFD
0
1
Rev.4.00 Sep. 07, 2007 Page 472 of 1210
REJ09B0245-0400
Description
[Clearing condition]
When 0 is written to TCFU after reading TCFU = 1
[Setting condition]
When the TCNT value underflows (changes from H'0000 to H'FFFF)
Description
[Clearing condition]
When 0 is written to TCFV after reading TCFV = 1
[Setting condition]
When the TCNT value overflows (changes from H'FFFF to H'0000 )
Description
[Clearing conditions]
•
•
[Setting conditions]
•
•
When DTC is activated by TGID interrupt while DISEL bit of MRB in DTC is 0
When 0 is written to TGFD after reading TGFD = 1
When TCNT = TGRD while TGRD is functioning as output compare register
When TCNT value is transferred to TGRD by input capture signal while TGRD is
functioning as input capture register
(Initial value)
(Initial value)
(Initial value)