NEC 78K0 Series User Manual page 246

TI50/TO50/P17
f
PRS
f /2
PRS
2
f /2
PRS
6
f /2
PRS
8
f /2
PRS
13
f /2
PRS
3
TCL502 TCL501 TCL500
Timer clock selection
register 50 (TCL50)
8-bit timer compare
register 51 (CR51)
TI51/TO51/
P33/INTP4
f
PRS
f /2
PRS
4
f /2
PRS
8-bit timer
6
f /2
PRS
counter 51 (TM51)
8
f /2
PRS
12
f /2
PRS
3
TCL512 TCL511 TCL510
Timer clock selection
register 51 (TCL51)
Notes 1. Timer output F/F
2. PWM output F/F
246
CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50 AND 51
Figure 8-1. Block Diagram of 8-Bit Timer/Event Counter 50
Internal bus
8-bit timer compare
register 50 (CR50)
Match
8-bit timer
OVF
counter 50 (TM50)
Clear
TCE50 TMC506 LVS50 LVR50 TMC501 TOE50
8-bit timer mode control
register 50 (TMC50)
Internal bus
Figure 8-2. Block Diagram of 8-Bit Timer/Event Counter 51
Internal bus
Match
OVF
Clear
TCE51 TMC516 LVS51 LVR51 TMC511 TOE51
8-bit timer mode control
register 51 (TMC51)
Internal bus
Preliminary User's Manual U17260EJ3V1UD
Selector INTTM50
Note 1
S
Q
INV
R
Note 2
S
Invert
level
R
Selector INTTM51
Note 1
S
Q
INV
R
Note 2
S
Invert
level
R
To TMH0
To UART0
To UART6
TO50/TI50/
P17
Output latch
PM17
(P17)
TO51/TI51/
P33/INTP4
Output latch
PM33
(P33)