NEC PD78F9488 - Manual (Page 124)

CHA
PTER 7 8-BIT TIMERS 50, 60, A
ND 61
User’s Manual U15331EJ4V1UD
124
TCE60 TCL602 TCL601 TCL600 TMD601 TMD600 TOE600
8-bit timer mode control
register 60 (TMC60) Carrier generator output
control register 60 (TCA60)
Decoder
8-bit timer counter 60
(TM60)
F/F
TM50 match signal
(in cascade connection mode)
Count operation start
signal to timer 50
(in cascade connection mode)
Timer counter match
signal for TM60
(in cascade connection mode)
Clear
8-bit compare
register 60 (CR60)
Selector
Output
controller
Note
To Figure 7-2(D)
(D)
(E)
(F)
(G)
(C)
(A)
(B)
count clock signal
input to TM50
INTTM60
To Figure 7-2(A)
Bit 7 of TM60
(in cascade connection mode)
Timer counter match signal
from timer 50 in Figure 7-2(G)
(in carrier generator mode)
From Figure 7-2(F)
To Figure 7-2(E)
Match TO60/INTP1/P31
To Figure 7-2(C) carrier clock
Reset
PPG mode
Cascade connection mode
8-bit H width compare
register 60
(CRH60)
Internal bus
Selector
OVF
Timer 60 interrupt request signal
To Figure 7-2(B)
f X
f X /2 2
TMI60/TO50/
INTP0/P30
f TMI /2
f TMI /2 2
f TMI /2 3
Prescaler
f TMI
RMC60 NRZB60 NRZ60
Figure 7-3. Block Diagram of Timer 60