Datasheet

78K0/Ix2 CHAPTER 9 8-BIT TIMER H1
R01UH0010EJ0500 Rev.5.00 339
Feb 28, 2012
(3) Port alternate switch control register (MUXSEL)
This register assigns the pin function.
The timer output (TOH1) can be assigned to P34 of the 78K0/IY2 and P00 or P34 of 78K0/IA2 and 78K0/IB2 (32 pins).
This register can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears MUXSEL to 00H.
Figure 9-6. Format of Port Alternate Switch Control Register (MUXSEL)
(1) 78K0/IY2
Address: FF39H After reset: 00H R/W
Symbol <7> <6> <5> <4> 3 <2> 1 <0>
MUXSEL INTP0SEL1 INTP0SEL0 TM00SEL1 TM00SEL0 0 TM5SEL0 0 TMHSEL0
TMHSEL0 8-bit timer H1 output (TOH1) pin assignment
0 (default)
1 P34/TOH1
(2) 78K0/IA2, 78K0/IB2 (32 pins)
Address: FF39H After reset: 00H R/W
Symbol 7 <6> 5 <4> <3> <2> <1> <0>
MUXSEL 0 INTP0SEL0 0 TM00SEL0 TM5SEL1 TM5SEL0 TMHSEL1 TMHSEL0
TMHSEL0 TMHSEL0 8-bit timer H1 output (TOH1) pin assignment
0 0 (default)
0 1 P34/TOH1
1 0 P00/TOH1
1 1 Setting prohibited