NEC mPD178054 Series User Manual page 104

8-bit single-chip microcontrollers
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(4) 8-bit timer mode control register 53 (TMC53)
The TMC53 register is used for the following.
<1> Controlling count operation of 8-bit timer counter 53 (TM53)
<2> Selecting single mode or cascade mode
TMC53 can be set with a 1-bit or 8-bit memory manipulation instruction.
Reset input clears TMC53 to 00H.
Figure 6-8. Format of 8-Bit Timer Mode Control Register 53 (TMC53)
Symbol
<7>
TCE53
TMC53
TCE53
0
1
TMC534
0
1
104
CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 50 TO 53
6
5
4
3
2
0
0
TMC534
0
0
Control of count operation of TM53
Clears counter to 0 and disables count operation (disables prescaler)
Starts count operation
Selection of single mode or cascade mode
Single mode
Cascade mode (connected to lower timer (TM52))
User's Manual U15104EJ2V0UD
1
0
Address
After reset
0
0
FF78H
R/W
00H
R/W

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