SH7052 datasheet(649/919 Pages) RENESAS

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18.3.9

Port D Control Registers H and L (PDCRH, PDCRL)

Port D control registers H and L (PDCRH, PDCRL) are 16-bit readable/writable registers that

select the functions of the 14 multiplex pins in port D. PDCRH selects the functions of the pins for

the upper 6 bits of port D, and PDCRL selects the functions of the pins for the lower 8 bits.

PDCRH and PDCRL 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 D Control Register H (PDCRH)

Bit:

—

PD13

MD1

PD13

MD0

—

PD12

Initial value:

R/W:

R/W

Bit:

—

PD11

—

PD10

—

PD9

—

PD8

Initial value:

R/W:

R/W

• Bits 15 to 12—Reserved: These bits always read 0. The write value should always be 0.

• Bits 11 and 10—PD13 Mode Bits 1 and 0 (PD13MD1, PD13MD0): These bits select the

function of pin PD13/PULS6/HTxD.

Bit 11: PD13MD1

Bit 10: PD13MD0

Description

General input/output (PD13)

(Initial value)

APC pulse output (PULS6)

HCAN transmit data output (HTxD)

Reserved (Do not set)

• Bit 9—Reserved: This bit always reads 0. The write value should always be 0.

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