Preliminary User’s Manual U16846EJ1V0UD
142
CHAPTER 7 8-BIT TIMER/EVENT COUNTER 50
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.
Figure 7-1. Block Diagram of 8-Bit Timer/Event Counter 50
Internal bus
8-bit timer compare
register 50 (CR50)
TI50/TO50/
FLMD1/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
To TMH0
To UART0
To UART6
INTTM50
TO50/TI50/
FLMD1/P17
Note 1
Note 2
Selector
8-bit timer
counter 50 (TM50)
Selector
Output latch
(P17)
PM17
Notes 1. Timer output F/F
2. PWM output F/F