NEC mPD780344 Series User Manual page 158

Bit 7 of TMB0
(from Figure 7-2 (A))
f /2
X
f /2
X
Timer B0 interrupt request signal
(from Figure 7-2 (B))
Carrier clock
(during carrier generator mode)
or timer B0 output signal
(during mode other than carrier generator mode)
(from Figure 7-2 (C))
8-bit timer mode
control register A0
(TMCA0)
TCEA0 TCLA01 TCLA00 TMDA00
Selector
4
6
From Figure 7-2 (D)
Count operation start signal
(during cascade connection mode)
Internal bus
TOEA0
Decoder
register A0 (CRA0)
8-bit timer counter A0
(TMA0)
Clear
Selector
Cascade connection mode
From Figure 7-2 (E)
Timer B0 match signal
(in cascade connection mode)
P07
output latch
8-bit compare
Match
OVF
To Figure 7-2 (G)
Timer A0 match signal
(during carrier generator mode)
To Figure 7-2 (F)
Timer A0 match signal
(during cascade connection mode)
PM07
TOA0/P07/
TMIB0
Internal reset signal
INTTMA0