M32C83T datasheet(308/527 Pages) RENESAS

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21. Intelligent I/O (Waveform Generation Function)

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21.3.5 Real-Time Port (RTP) Output Mode (Group 2 and 3)

The OUTCij pin outputs the value set in the GiRTP register in one-byte units by matching the value of the

base timer with that of the GiPOj register (i=2 to 3, j=0 to 7). Table 21.14 lists specifications of RTP output

mode. Figure 21.28 shows a block diagram of the RTP output function. Figure 21.29 shows an example

of RTP output mode operation.

Table 21.14 RTP Output Mode Specifications

Item

Specification

Waveform Output Start Condition

The IFEj bit in the GiFE register (i=2 to 3, j=0 to 7) is set to "1" (channel j function

enabled)

Waveform Output Stop Condition

The IFEj bit is set to "0" (channel j function disabled)

Interrupt Request

The POijR bit in the interrupt request register is set to "1" when the value of

the base timer matches that of the GiPOj register (000016 to FFFF16(1)).

(See Figure 10.14.)

OUTCij Pin

RTP output pin

Selectable Function

• Default value set function : Set starting waveform output level

• Inversed output function : Waveform output level is inversed and output from

the OUTCij pin

NOTES:

1. Set the GiPO0 register to 000116 to FFFD16 when setting the base timer to "000016" (the RST1 bit in the GiBCR1

GiPO0 register

Base Timer

RTP0

RTP6

RTP7

GiPO6 register

GiPO7 register

Real-time Port Output

OUTCi0

OUTCi6

OUTCi7

GiRTP register

Figure 21.28 Real-time Port Output Function Block Diagram

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