HD6432670 Hitachi, HD6432670 Datasheet - Page 582

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Bit
1
0
Note: Only 0 can be written, for flag clearing.
11.3.6
The TCNT registers are 16-bit readable/writable counters. The TPU has six TCNT counters, one
for each channel.
The TCNT counters are initialized to H'0000 by a reset, or in hardware standby mode.
The TCNT counters cannot be accessed in 8-bit units; they must always be accessed as a 16-bit
unit.
Rev. 2.0, 04/02, page 536 of 906
Bit Name
TGFB
TGFA
Timer Counter (TCNT)
Initial value
0
0
R/(W)*
R/(W)*
R/W
Description
Input Capture/Output Compare Flag B
Status flag that indicates the occurrence of TGRB
input capture or compare match.
[Setting conditions]
[Clearing conditions]
Input Capture/Output Compare Flag A
Status flag that indicates the occurrence of TGRA
input capture or compare match.
[Setting conditions]
[Clearing 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
When DTC is activated by TGIB interrupt while
DISEL bit of MRB in DTC is 0
When 0 is written to TGFB after reading TGFB =
1
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
When DTC is activated by TGIA interrupt while
DISEL bit of MRB in DTC is 0
When 0 is written to TGFA after reading TGFA =
1