Datasheet

CHAPTER 8 8-BIT TIMERS H0, H1, AND H2
User’s Manual U18698EJ1V0UD
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(2) 8-bit timer H carrier control register 1 (TMCYC1)
This register controls the remote control output and carrier pulse output status of 8-bit timer H1.
This register can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to 00H.
Figure 8-9. Format of 8-Bit Timer H Carrier Control Register 1 (TMCYC1)
0TMCYC1 0 0 0 0 RMC1 NRZB1 NRZ1
Address: FF6DH After reset: 00H R/W
Note
Symbol
Low-level output
High-level output at rising edge of INTTM51 signal input
Low-level output
Carrier pulse output at rising edge of INTTM51 signal input
RMC1
0
0
1
1
NRZB1
0
1
0
1
Remote control output
Carrier output disabled status (low-level status)
Carrier output enabled status
(RMC1 = 1: Carrier pulse output, RMC1 = 0: High-level status)
NRZ1
0
1
Carrier pulse output status flag
<0>
Note Bit 0 is read-only.
Caution Do not rewrite RMC1 when TMHE1 = 1. However, TMCYC1 can be refreshed (the same value is
written).
(3) Port mode register 3 (PM3)
This register sets port 3 input/output in 1-bit units.
When using the P32/TOH0/MCGO and P31/TOH1/INTP3 pins for timer output, clear PM32 and PM31 and the
output latches of P32 and P31 to 0.
PM3 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to FFH.
Figure 8-10. Format of Port Mode Register 3 (PM3)
Address: FF23H After reset: FFH R/W
Symbol 7 6 5 4 3 2 1 0
PM3 1 1 1 PM34 PM33 PM32 PM31 1
PM3n P3n pin I/O mode selection (n = 1 to 4)
0 Output mode (output buffer on)
1 Input mode (output buffer off)