HD64F3337YCP16V Datasheet, PDF(165/749 Page) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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HD64F3337YCP16V Datasheet, PDF (165/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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7.5.3 Pin Functions

Port 4 has different pin functions depending on whether the chip is or is not operating in slave

mode. Table 7.9 indicates the pin functions of port 4.

Table 7.9 Port 4 Pin Functions

Pin

P47/PW1

Pin Functions and Selection Method

Bit OE in TCR of PWM timer 1 and bit P47DDR select the pin function as follows

OE

0

1

P47DDR

Pin function

0

P47 input

1

P47 output

0

1

PW1 output

P46/PW0

Bit OE in TCR of PWM timer 0 and bit P46DDR select the pin function as follows

OE

0

1

P46DDR

Pin function

0

P46 input

1

P46 output

0

1

PW0 output

P45/TMRI1/

HIRQ12*

P44/TMO1/

HIRQ1*

Bit P45DDR and the operating mode select the pin function as follows

P45DDR

0

1

Operating mode

â

Not slave mode

Slave mode

Pin function

P45 input

P45 output

HIRQ12 output*

TMRI1 input

TMRI1 input is usable when bits CCLR1 and CCLR0 are both set to 1 in TCR of

8-bit timer 1

Note: * H8/3337 Series only. H8/3397 Series ICs have no HIRQ12 pin function.

Bits OS3 to OS0 in TCSR of 8-bit timer 1, bit P44DDR, and the operating mode

select the pin function as follows

OS3 to 0

All 0

Not all 0

P44DDR

0

Operating mode

â

1

â

Not slave Slave mode

â

mode

Pin function

P44 input

P44 output HIRQ1 output* TMO1 output

Note: * H8/3337 Series only. H8/3397 Series ICs have no HIRQ1 pin function.

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