HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 1178

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

TSR1—Timer Status Register 1
Rev.4.00 Sep. 07, 2007 Page 1148 of 1210
REJ09B0245-0400
Bit
Initial value
Read/Write
Note: * Can only be written with 0 for flag clearing.
:
:
:
Count Direction Flag
TCFD
0
1
R
7
1
TCNT counts down
TCNT counts up
—
—
6
1
R/(W)*
Underflow Flag
TCFU
0
1
5
0
[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)
Overflow Flag
R/(W)*
TCFV
0
1
4
0
[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 )
—
—
3
0
—
—
2
0
TGR Input Capture/Output Compare Flag B
R/(W) *
TGFB
H'FFE5
0
1
1
0
[Clearing conditions]
• When DTC is activated by TGIB interrupt while DISEL
• When 0 is written to TGFB after reading TGFB = 1
[Setting conditions]
• When TCNT = TGRB while TGRB is functioning as
• When TCNT value is transferred to TGRB by input
TGR Input Capture/Output Compare Flag A
output compare register
capture signal while TGRB is functioning as input
capture register
bit of MRB in DTC is 0
0
1
R/(W) *
TGFA
0
0
[Clearing conditions]
• When DTC is activated by TGIA interrupt while
• When DMAC is activated by TGIA interrupt
• When 0 is written to TGFA after reading
[Setting conditions]
• When TCNT = TGRA while TGRA is functioning
• When TCNT value is transferred to TGRA by
as output compare register
input capture signal while TGRA is functioning
as input capture register
DISEL bit of MRB in DTC is 0
while DTA bit of DMABCR in DMAC is 1
TGFA = 1
TPU1