Preliminary User’s Manual U16315EJ1V0UD
162
CHAPTER 7 8-BIT TIMER/EVENT COUNTERS 50 AND 51
7.1 Functions of 8-Bit Timer/Event Counters 50 and 51
8-bit timer/event counters 50 and 51 have the following functions.
•
Interval timer
•
External event counter
•
Square-wave output
•
PWM output
Figures 7-1 and 7-2 show the block diagrams of 8-bit timer/event counters 50 and 51.
Figure 7-1. Block Diagram of 8-Bit Timer/Event Counter 50
Internal bus
8-bit timer compare
register 50 (CR50)
TI50/TO50/P17
f
X
/2
2
f
X
/2
6
f
X
/2
8
f
X
/2
13
f
X
f
X
/2
Match
Mask circuit
OVF
Clear
3
Selector
TCL502 TCL501 TCL500
Timer clock selection
register 50 (TCL50)
Internal bus
TCE50 TMC506 LVS50 LVR50 TMC501 TOE50
Invert
level
8-bit timer mode control
register 50 (TMC50)
S
R
S
Q
R
INV
Selector
INTTM50
TO50/TI50/P17
Selector
8-bit timer
counter 50 (TM50)
Selector
Содержание 78K0/KD1 Series
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