5 btm0md (09h), 6 intvsyn (0fh, b2) – NEC PD17062 User Manual
Page 77
77
µ
PD17062
b
3
b
2
b
1
b
0
BTM0ZX
BTM0CK2
BTM0CK0
09H
BTM0CK1
0
1
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
TIMER INT
TIMER CARRY
5 ms
100 ms
20 ms
20 ms
5 ms
5/f
TMR
s
5 ms
6/f
TMR
s
100 ms
5 ms
100 ms
5 ms
5/f
TMR
s
5 ms
6/f
TMR
s
5 ms
Time base setting
Internal
Internal
Internal
Internal
Internal
External
Internal
External
Internal
Internal
Internal
Internal
External
Internal
External
Internal
Zerocross setting
Zerocross off
Zerocross on
9.5 BTM0MD (09H)
9.6 INTVSYN (0FH, b
2
)
The INTVSYN flag is used for reading the vertical synchronous signal level. When a high level signal is
input to the V
SYNC
pin, the flag is set to 1. When a low level signal is input to the V
SYNC
pin , the flag is reset
to 0.