159
CHAPTER 7 8-BIT TIMERS A0, B0
User
’s Manual U15798EJ2V0UD
Figure 7-2. Block Diagram of Timer B0
Note
For details, see
Figure 7-3
.
TCEB0 TCLB02 TCLB01 TCLB00 TMDB01 TMDB00 TOEB0
8-bit timer mode control
register B0 (TMCB0)
Decoder
8-bit timer counter B0 (TMB0)
F/F
Timer A0 match signal
(during cascade connection mode)
Count operation start signal to timer A0
(during cascade connection mode)
Timer B0 match signal
(during cascade connection mode)
Clear
8-bit compare
register B0 (CRB0)
Selector
Output controller
Note
RMCB0 NRZBB0 NRZB0
Carrier generator output
control register B0 (TCAB0)
To Figure 7-1 (D)
count clock input
signal to TMA0
Internal reset signal
INTTMB0
To Figure 7-1 (A)
Bit 7 of TMB0
(during cascade connection mode)
From Figure 7-1 (F)
To Figure 7-1 (E)
Match
TOB0/P06/INTP6
To Figure 7-1 (C)
Carrier clock (during carrier generator mode)
or timer B0 output signal
(during mode other than carrier generator mode)
Reset
Carrier generator mode
PWM mode
Cascade connection mode
8-bit H-width compare
register B0 (CRHB0)
Internal bus
Selector
OVF
To Figure 7-1 (B)
Timer B0 interrupt request signal
From Figure 7-1 (G)
Timer A0 match signal
(during carrier generator mode)
f
X
/2
2
f
X
/2
3
TMIB0/P07/
TOA0
TMI/2
TMI/2
2
TMI/2
3
Prescaler
Содержание mPD780344 Series
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