M32C83T datasheet(283/527 Pages) RENESAS

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Page 260

21. Intelligent I/O

)

(

Figure 21.12 G2POCR0 to G2POCR7 and G3POCR0 to G3POCR7 Registers

Group i Waveform Generation Control Register j (i=2 to 3; j=0 to 7)

Symbol

Address

After Reset

G2POCR0 to G2POCR3

015016, 015116, 015216, 015316

0016

G2POCR4 to G2POCR7

015416, 015516, 015616, 015716

0016

G3POCR0 to G3POCR3

019016, 019116, 019216, 019316

0016

G3POCR4 to G2POCR7

019416, 019516, 019616, 019716

0016

Bit Name

Function

Bit

Symbol

MOD0

MOD1

MOD2

Operation Mode

Select Bit(5)

Output Initial Value

Select Bit

IVL

RLD

INV

0: Outputs "L" as default value

1: Outputs "H" as default value

Parallel Real-time Port

Output Trigger

Select Bit(4)

PRT

Inverse Output Function

Select Bit(3)

: Single waveform output mode

: SR waveform output mode(1)

: Inverse waveform output mode

: Do not set to this value

: Bit-modulation PWM mode

: Do not set to this value

: Use a communication function

output(2)

0: Output is not inversed

1: Output is inversed

RTP

Real-time Port Function

Select Bit

0: Not used

1: Used (RTP output mode or parallel

RTP output mode)

GiPOj Register Value

Reload Timing

Select Bit

NOTES:

1. This setting is valid only for even channels. In SR waveform output mode, values written to the

corresponding odd channel (next channel after an even channel) are ignored. Even channels output

waveforms. Odd channels output no waveforms.

2. This setting is valid only for channels 0 and 1 in the groups 2 and 3. To use ISTxD2 or IEOUT, set the

MOD2 to MOD0 bits in the G2POCR0 register to "1112". To use ISCLK2 for an output, set the MOD2

to MOD0 bits in the G2POCR1 register to "1112". Do not set the MOD2 to MOD0 bits to "1112" except

in the channels 0 and 1.

To use ISTxD3, set the MOD2 to MOD0 bits in the G3POCR0 register to "1112". To use ISCLK3 for an

output, set the MOD2 to MOD0 bits in the G3POCR1 register to"1112". Do not set the MOD2 to

MOD0 bits to "1112" except in the channels 0 and 1.

3. The inverse output function is the final step in the waveform generation process. If the INV bit is set to

"1" (output inversed), the output signal is "H" when the IVL bit is set to "0" (outputs "L" as an initial

value) and "L" when the IVL bit is set to "1" (outputs "H" as an initial value).

4. The PRT bit is valid when the RTP bit is set to "1" (real-time port function used) and the PRP bit in the

GiBCR1 register is set to "1" (parallel RTP output mode).

5. When the RTP bit is set to "1", the value written to the MOD2 to MOD0 bits is ignored.

0: Not triggered by matching the base

timer with the GiPO0 to GiPO7 registers

1: Triggered by matching the base timer

with the GiPO0 to GiPO7 registers

0: Reloads the GiPOj register when

counter is written to

1: Reloads the GiPOj register when

the base timer is reset

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