NEC mPD178054 Series User Manual page 98

8-bit single-chip microcontrollers
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Figure 6-3. Block Diagram of 8-Bit Timer/Event Counter 52
register 52 (CR52)
TI52/P77
f
/2
X
3
f
/2
X
5
f
/2
X
7
8-bit timer counter
f
/2
X
9
f
/2
X
11
f
/2
X
3
TCL522 TCL521 TCL520
Timer clock select
register 52 (TCL52)
f
/2
X
3
f
/2
X
5
f
/2
X
7
f
/2
X
9
f
/2
X
11
f
/2
X
3
TCL532 TCL531 TCL530
Timer clock select
register 53 (TCL53)
98
CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 50 TO 53
Internal bus
8-bit compare
Match
OVF
52 (TM52)
Clear
Selector
TCE52 TMC526 TMC524 LVS52 LVR52 TMC521 TOE52
Timer mode control
register 52 (TMC52)
Internal bus
Figure 6-4. Block Diagram of 8-Bit Timer 53
Internal bus
8-bit compare
register 53 (CR53)
Match
8-bit timer
counter 53 (TM53)
Clear
Selector
Timer mode control
register 53 (TMC53)
Internal bus
User's Manual U15104EJ2V0UD
Selector
INTTM52
S
Q
INV
R
S
Level
inversion
R
INTTM53
LVS51 LVR51
TO52/P132
Output latch
(P132)

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