NEC PD78214 - Manual (Page 129)

100
µ
PD78214 Sub-Series
Fig. 6-4 Real-Time Output Port Operation Timing
D02 D03
D02
D01
D00 D01 D03
D04
0H
CR11
CR11
CR11
CR11
FFH
Timer starts
INTC11 interrupt
request
CPU operation
Buffer register
(P0H)
Output latches
(P07-P04)
8-bit timer/
counter 1
The contents of the buffer register and compare register are rewritten by software processing or macro
service (see Section 12.4).