Datasheet

78K0/Kx2-L CHAPTER 7 8-BIT TIMER/EVENT COUNTERS 50 AND 51
R01UH0028EJ0400 Rev.4.00 315
Sep 27, 2010
Figure 7-1. Block Diagram of 8-Bit Timer/Event Counter 50 (78K0/KB2-L, 78K0/KC2-L Only)
Internal bus
8-bit timer compare
register 50 (CR50)
TI50/TO50/P17
Match
Mask circuit
OVF
3
Clear
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 UART6
INTTM50
Note 1
Note 2
Selector
8-bit timer
counter 50 (TM50)
Selector
TO50
output
TO50/TI50/
P17
Output latch
(P17)
PM17
f
PRS /2
13
f PRS
f PRS /2
f PRS /2
2
f PRS /2
8
f PRS /2
6
Notes 1. Timer output F/F
2. PWM output F/F
Figure 7-2. Block Diagram of 8-Bit Timer 51 (78K0/KY2-L, 78K0/KA2-L (20-pin products))
3
TCL512 TCL511 TCL510
TCE51
INTTM51
f PRS /2
4
f PRS /2
6
f PRS /2
8
f PRS /2
Internal bus
8-bit timer compare
register 51 (CR51)
Match
Mask circuit
8-bit timer
counter 51 (TM51)
Selector
Clear
Timer clock selection
register 51 (TCL51)
Internal bus
8-bit timer mode control
register 51 (TMC51)
TI51/TOH1/
P30/INTP1
8-bit timer H1 output
f
PRS
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