NEC PD754144 - Manual (Page 165)

CHAPTER 6 PERIPHERAL HARDWARE FUNCTION
165 User’s Manual U10676EJ3V0UM
Figure 6-47. Configuration in Carrier Generator Mode
Other
internal
clock is
ignored
MPX
Timer counter
modulo register (TMOD1)
Comparator
Timer counter
count register (T1) CP
Clear
TOUT F/F PTO1
PTO2
Carrier clock
NRZB NRZ
High-level period setting timer counter
modulo register (TMOD2H)
MPX
Comparator
Clear
TOUT F/F
INTT2
(IRQT2 set signal)
INTT1
(IRQT1 set signal)
Reload
CP
MPX
Internal
clock
Match
Match
Timer counter
modulo register (TMOD2)
Timer counter
count register (T2)
f
X
f
X
/2
f
X
/2 4
f
X
/2 6
f
X
/2 8
f
X
/2 10
f
X
/2 5
f
X
/2 6
f
X
/2 8
f
X
/2 10
f
X
/2 12