µPD178023, 178024
Figure 3-3. Block Diagram of 8-Bit Timer/Event Counter 50
Internal bus
8-bit compare
Selector
INTTM50
register 50 (CR50)
TI50/P33
/2
Coincidence
f
X
/23
f
f
f
f
X
X
X
X
S
INV
/25
/27
/29
Q
8-bit counter 50
(TM50)
OVF
TO50/P130
R
f
X
/211
Clear
Output latch
(P130)
S
R
Level
inversion
3
Selector
TCE50 TMC506 TMC504 LVS50 LVR50 TMC501 TOE50
TCL502 TCL501 TCL500
Timer mode control
register 50 (TMC50)
Timer clock select
register 50 (TCL50)
Internal bus
Figure 3-4. Block Diagram of 8-Bit Timer/Event Counter 51
Internal bus
8-bit compare
Selector
register 51 (CR51)
INTTM51
TI51/P34
Coincidence
f /2
X
f
f
f
f
X
X
X
X
/211
/23
S
Q
/25
/27
/29
INV
8-bit counter 51 OVF
(TM51)
TO51/P131
R
f
X
Clear
Output latch
(P131)
S
R
Level
inversion
3
Selector
TCE51 TMC516 TMC514 LVS51 LVR51 TMC511 TOE51
TCL512 TCL511 TCL510
Timer clock select
register 51 (TCL51)
Timer mode control
register 51 (TMC51)
Internal bus
Data Sheet U14126EJ1V0DS00
21
NEC [ NEC ]
