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7.1 Functions of 8-Bit Timer/Event Counter 50
8-bit timer/event counter 50 has the following functions.
• Interval timer
• External event counter
• Square-wave output
• PWM output
Figure 7-1 shows the block diagram of 8-bit timer/event counter 50.
TI50/TO50/
FLMD1/P17
f
X
f
/2
X
2
f
/2
X
8-bit timer
6
f
/2
X
counter 50 (TM50)
8
f
/2
X
13
f
/2
X
3
TCL502 TCL501 TCL500
Timer clock selection
register 50 (TCL50)
Notes 1.
Timer output F/F
2.
PWM output F/F
142
CHAPTER 7 8-BIT TIMER/EVENT COUNTER 50
Figure 7-1. Block Diagram of 8-Bit Timer/Event Counter 50
Internal bus
8-bit timer compare
register 50 (CR50)
Match
OVF
Clear
Selector
TCE50 TMC506 LVS50 LVR50 TMC501 TOE50
8-bit timer mode control
register 50 (TMC50)
Internal bus
Preliminary User's Manual U16846EJ1V0UD
Selector
INTTM50
Note 1
S
Q
INV
R
Note 2
S
Invert
level
R
To TMH0
To UART0
To UART6
TO50/TI50/
FLMD1/P17
Output latch
PM17
(P17)
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