Fujitsu 8FX Hardware Manual page 409

MB95630H Series
● Selector 1
The selector 1 is used to select from among Write both OPDBRHx and OPDBRLx or TOUT of
16-bit reload timer or WTIN1 of position detect circuit to generate the Write Timing signal
(WTO).
● Falling edge detector
The falling edge detector is used to detect the falling edge of the 16-bit reload timer output
(TOUT).
● Rising and falling edge detector
The rising and falling edge detector is used to detect the rising and falling edge of the 16-bit
reload timer output (TOUT).
When timer underflow trigger is used in following modes, the WTIN0 signal is generated by
the trigger edge selected by OPS[2:0] bits:
Table 21.2-1 TOUT Trigger Edge Selection for WTIN0
OPS2 OPS1
0
0
0
0
1
1
1
1
Initial value of the OPS[2:0] bits
MN702-00009-2v0-E
OPS0
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER 21 MULTI-PULSE GENERATOR
TOUT Trigger Edge for WTIN0
-
Rise and Fall
-
Fall
Rise and Fall
Rise and Fall
-
Fall
21.2 Block Diagram
387