Name: Renesas RL78 Series
Brand: Renesas
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RL78/F13, F14 CHAPTER 8 TIMER RD

R01UH0368EJ0210 Rev.2.10 616

Dec 10, 2015

(2) Buffer Operation

The TRDGRCi register (i = 0 or 1) can be used as the buffer register for the TRDGRAi register, and the TRDGRDi

TRDMR register.

 TRDGRAi buffer register: TRDGRCi register

 TRDGRBi buffer register: TRDGRDi register

Buffer operation depends on the mode. Table 8-12 lists the Buffer Operation in Each Mode.

Table 8-12. Buffer Operation in Each Mode

Function and Mode Transfer Timing Transfer Register

Timer

mode

Input capture function Input capture signal input Transfer content of TRDGRAi

(TRDGRBi) register to buffer register

Output compare function Compare match with TRDi register and

TRDGRAi (TRDGRBi) register

Transfer content of buffer register to

TRDGRAi (TRDGRBi) register

PWM function

Reset synchronous PWM mode Compare match with TRD0 register and

TRDGRA0 register

Transfer content of buffer register to

TRDGRAi (TRDGRBi) register

Complementary PWM mode Compare match with TRD0 register and

TRDGRA0 register

TRD1 register underflow

Transfer content of buffer register to

registers TRDGRB0, TRDGRA1, and

TRDGRB1

PWM3 mode Compare match with TRD0 register and

TRDGRA0 register

Transfer content of buffer register to

TRDGRAi (TRDGRBi) register

Remark i = 0 or 1

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