SH7052 datasheet(682/919 Pages) RENESAS

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18.3.21

Port K Control Registers H and L (PKCRH, PKCRL)

Port K control registers H and L (PKCRH, PKCRL) are 16-bit readable/writable registers that

select the functions of the 16 multiplex pins in port K. PKCRH selects the functions of the pins for

the upper 8 bits of port K, and PKCRL selects the functions of the pins for the lower 8 bits.

PKCRH and PKCRL are initialized to H'0000 by a power-on reset (excluding a WDT power-on

reset), and in hardware standby mode. They are not initialized in software standby mode or sleep

mode.

Port K Control Register H (PKCRH)

Bit:

—

PK15

—

PK14

—

PK13

—

PK12

Initial value:

R/W:

R/W

Bit:

—

PK11

—

PK10

—

PK9

—

PK8

Initial value:

R/W:

R/W

• Bit 15—Reserved: This bit always reads 0. The write value should always be 0.

• Bit 14—PK15 Mode Bit (PK15MD): Selects the function of pin PK15/TO8P.

Bit 14: PK15MD

Description

General input/output (PK15)

(Initial value)

ATU one-shot pulse output (TO8P)

• Bit 13—Reserved: This bit always reads 0. The write value should always be 0.

• Bit 12—PK14 Mode Bit (PK14MD): Selects the function of pin PK14/TO8O.

Bit 12: PK14MD

Description

General input/output (PK14)

(Initial value)

ATU one-shot pulse output (TO8O)

• Bit 11—Reserved: This bit always reads 0. The write value should always be 0.

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