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CHAPTER 7 8-BIT TIMERS A0, B0
User’s Manual U15798EJ2V0UD
Figure 7-1. Block Diagram of Timer A0
TCEA0
TCLA00 TMDA00
TCLA01
8-bit timer mode
control register A0
(TMCA0)
Selector
Decoder
Selector
Selector
8-bit compare
register A0 (CRA0)
8-bit timer counter A0
(TMA0)
Selector
Internal reset signal
Timer B0 match signal
(in cascade connection mode)
Timer A0 match signal
(during cascade connection mode)
From Figure 7-2 (D)
Count operation start signal
(during cascade connection mode)
INTTMA0
f
X
/2
4
f
X
/2
6
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))
Clear
Cascade connection mode
Match
From Figure 7-2 (E)
To Figure 7-2 (F)
To Figure 7-2 (G)
Internal bus
OVF
Timer A0 match signal
(during carrier generator mode)
Bit 7 of TMB0
(from Figure 7-2 (A))
TOEA0
PM07
P07
output latch
TOA0/P07/
TMIB0
Содержание mPD780344 Series
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