R8C/20 Group, R8C/21 Group 14. Timers
Rev.2.00 Aug 27, 2008 Page 221 of 458
REJ09B0250-0200
Figure 14.84 Registers TRDGRAi, TRDGRBi, TRDGRCi and TRDGRDi in Reset Synchronous PWM
Mode
The following registers are disabled in the reset synchronous PWM mode:
TRDPMR, TRDOCR, TRDDF0, TRDDF1, TRDIORA0, TRDIORC0, TRDPOCR0, TRDIORA1, TRDIORC1
and TRDPOCR1
BFC0, BFD0, BFC1, BFD1: Bits in TRDMR Register
Table 14.30 TRDGRji Register Functions in Reset Synchronous PWM Mode
Register Setting Register Function PWM Output Pin
TRDGRA0 − General register. Set the PWM period. (Output inverted every
period of TRDIOC0 and
PWM pins)
TRDGRB0 − General register. Set the changing point of
PWM1 output.
TRDIOB0
TRDIOD0
TRDGRC0 BFC0 = 0 (These registers are not used in reset
synchronous PWM mode.)
−
TRDGRD0 BFD0 = 0
TRDGRA1 − General register. Set the changing point of
PWM2 output.
TRDIOA1
TRDIOC1
TRDGRB1 − General register. Set the changing point of
PWM3 output.
TRDIOB1
TRDIOD1
TRDGRC1 BFC1 = 0 (These points are not used in reset
synchronous PWM mode.)
−
TRDGRD1 BFD1 = 0
TRDGRC0 BFC0 = 1 Buffer register. Set the next PWM period.
(Refer to 14.3.2 Buffer Operation)
(Output inverted every
period of TRDIOC0 and
PWM pins)
TRDGRD0 BFD0 = 1 Buffer register. Set the changing point of the
next PWM1 output.
(Refer to 14.3.2 Buffer Operation)
TRDIOB0
TRDIOD0
TRDGRC1 BFC1 = 1 Buffer register. Set the changing point of the
next PWM2 output.
(Refer to 14.3.2 Buffer Operation)
TRDIOA1
TRDIOC1
TRDGRD1 BFD1 = 1 Buffer register. Set the changing point of the
next PWM3 output.
(Refer to 14.3.2 Buffer Operation)
TRDIOB1
TRDIOD1
Timer RD General Register Ai, Bi, Ci and Di (i = 0 or 1)
(1)
Symbol Address After Reset
TRDGRA0
TRDGRB0
TRDGRC0
TRDGRD0
TRDGRA1
TRDGRB1
TRDGRC1
TRDGRD1
0149h-0148h
014Bh-014Ah
014Dh-014Ch
014Fh-014Eh
0159h-0158h
015Bh-015Ah
015Dh-015Ch
015Fh-015Eh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
RW
NOTE:
1.
RW
Function
Ref er to
Table 14.30 TRDGRji Register Functions in Reset Synchronous PWM Mode
Access the TRDGRAi to TRDGRDi registers in 16-bit units. Do not access them in 8-bit units.
b0b7
(b8)
b0
(b15)
b7
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