HD404459 Datasheet, PDF (71/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers

HD404459 Series
The mode change of this register is valid from the second instruction execution cycle after the execution
of the previous timer mode register C1 write instruction. Setting timer C’s initialization by writing to
timer write register C (TWCL: $00E, TWCU: $00F) must be done after a mode change becomes valid.
Timer mode register C1 (TMC1: $00D)
Bit
Initial value
Read/Write
Bit name
3
0
W
TMC13
2
0
W
TMC12
1
0
W
TMC11
0
0
W
TMC10
TMC13
0
1
Free-running/reload timer selection
Free-running timer
Reload timer
TMC12 TMC11 TMC10
0
0
0
1
1
0
1
1
0
0
1
1
0
1
Input clock period
2048t_cyc
1024t_cyc
512t_cyc
128t_cyc
32t_cyc
8t_cyc
4t_cyc
2t_cyc
Figure 53 Timer Mode Register C1 (TMC1)
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