HD6433044 Datasheet, PDF(302/867 Page) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

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HD6433044 Datasheet, PDF (302/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

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Table 9-21 Port B Pin Functions (cont)

Pin

PB6/

TP14/

DREQ0/

CS7

Pin Functions and Selection Method

Bit CS7E in CSCR, DMAC channel 0 settings (bits DTS2/1/0A and DTS2/1/0B in

DTCR0A and DTCR0B), bit NDER14 in NDERB, and bit PB6DDR in PBDDR select the

pin function as follows

PB6DDR

CS7E

NDER14

Pin function

0

0

â

PB6 input

1

0

0

PB6 output

DREQ0 input*

1

0

1

TP14 output

â

1

â

â

CS7 output

Note: * DREQ0 input under DMAC channel 0 settings (1) in the table below.

DMAC

channel 0

settings

(2)

(1)

(2)

(1)

(2)

(1)

DTS2A, DTS1A

Not both 1

Both 1

DTS0A

â

0

0

1

1

1

DTS2B

0

1

1

0

1

0

1

1

DTS1B

â

0

1

â

â

â

0

1

PB5/

TP13/

TOCXB4

ITU channel 4 settings (bit CMD1 in TFCR and bit EXB4 in TOER), bit NDER13 in

NDERB, and bit PB5DDR in PBDDR select the pin function as follows

EXB4,

CMD1

PB5DDR

NDER13

Pin function

0

â

PB5 input

Not both 1

1

1

0

1

PB5 output TP13 output

Both 1

â

â

TOCXB4 output

PB4/

TP12/

TOCXA4

ITU channel 4 settings (bit CMD1 in TFCR and bit EXA4 in TOER), bit NDER12 in

NDERB, and bit PB4DDR in PBDDR select the pin function as follows

EXA4,

CMD1

PB4DDR

NDER12

Pin function

0

â

PB4 input

Not both 1

1

1

0

1

PB4 output TP12 output

Both 1

â

â

TOCXA4 output

289

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