97
CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 50 TO 53
User’s Manual U15104EJ2V0UD
Figure 6-1. Block Diagram of 8-Bit Timer/Event Counter 50
Figure 6-2. Block Diagram of 8-Bit Timer/Event Counter 51
Internal bus
8-bit compare
register 50 (CR50)
8-bit timer counter
50 (TM50)
TI50/P33
f
X
/2
5
f
X
/2
7
f
X
/2
9
f
X
/2
11
f
X
/2
3
Match
OVF
Clear
3
Selector
TCL502 TCL501 TCL500
Timer clock select
register 50 (TCL50)
Internal bus
TCE50 TMC506 TMC504 LVS50 LVR50 TMC501 TOE50
Level
inversion
Timer mode control
register 50 (TMC50)
S
R
S
Q
R
INV
Selector
INTTM50
TO50/P130
f
X
/2
Output latch
(P130)
Selector
Selector
Mask circuit
Internal bus
8-bit compare
register 51 (CR51)
8-bit timer counter
51 (TM51)
TI51/P34
f
X
/2
3
f
X
/2
5
f
X
/2
7
f
X
/2
9
f
X
/2
Match
OVF
Clear
3
TCL512 TCL511 TCL510
Internal bus
TCE51 TMC516 TMC514 LVS51 LVR51 TMC511 TOE51
Level
inversion
S
R
Q
R
INV
Selector
Selector
Selector
Selector
INTTM51
TO51/P131
S
f
X
/2
11
Output latch
(P131)
Mask circuit
Timer clock select
register 51 (TCL51)
Timer mode control
register 51 (TMC51)
Содержание mPD178053
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