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(2) 8-bit timer mode control register 1 (TMC1)
This register enables/stops operation of 8-bit timer registers 1 and 2 and sets the operating mode of 8-bit
timer register 2.
TMC1 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets TMC1 to 00H.
Figure 9-5. 8-Bit Timer Mode Control Register 1 Format
Symbol
7
6
5
TMC1
0
0
0
Cautions 1. Stop the timer operation before switching the operating mode.
2. When used as 16-bit timer register, TCE1 should be used for operation enable/stop.
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 1 AND 2
4
3
2
<1>
<0>
0
0
TMC12
TCE2
TCE1
Address
After Reset
FF49H
00H
TCE1 8-Bit Timer Register 1 Operation Control
0
Operation stop (TM1 clear to 0)
1
Operation enable
TCE2 8-Bit Timer Register 2 Operation Control
0
Operation stop (TM2 clear to 0)
1
Operation enable
TMC12 Operating Mode Selection
0
8-Bit timer register x 2 channel mode (TM1, TM2)
1
16-Bit timer register x 1 channel mode (TMS)
R/W
R/W
233
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