H8SSLASH2218 datasheet(344/750 Pages) RENESAS

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Section 9 16-Bit Timer Pulse Unit (TPU)

Rev.6.00 Jun. 03, 2008 Page 296 of 698

REJ09B0074-0600

Bit

Bit Name Initial value

R/W

Description

TGFB

R/(W)* Input Capture/Output Compare Flag B

Status flag that indicates the occurrence of TGRB input

capture or compare match. The write value should always

be 0 to clear this flag.

[Setting conditions]

• When TCNT = TGRB while TGRB is functioning as

output compare register

• When TCNT value is transferred to TGRB by input

capture signal while TGRB is functioning as input

capture register

[Clearing condition]

When 0 is written to TGFB after reading TGFB = 1

TGFA

R/(W)* Input Capture/Output Compare Flag A

Status flag that indicates the occurrence of TGRA input

capture or compare match. The write value should always

be 0 to clear this flag.

[Setting conditions]

• When TCNT = TGRA while TGRA is functioning as

output compare register

• When TCNT value is transferred to TGRA by input

capture signal while TGRA is functioning as input

capture register

[Clearing conditions]

• When DMAC is activated by TGIA interrupt while DTA

bit of DMABCR in DMAC is 1

• When 0 is written to TGFA after reading TGFA = 1

Note:

Only 0 can be written to clear the flags.

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