SH7052 datasheet(667/919 Pages) RENESAS

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641

18.3.15

Port G Control Register (PGCR)

The port G control register (PGCR) is a 16-bit readable/writable register that selects the functions

of the 4 multiplex pins in port G.

PGCR is initialized to H'0000 by a power-on reset (excluding a WDT power-on reset), and in

hardware standby mode. It is not initialized in software standby mode or sleep mode.

Bit:

——

———

—

Initial value:

R/W:

Bit:

PG3MD1 PG3MD0 PG2MD1 PG2MD0

—

PG1MD PG0MD1 PG0MD0

Initial value:

R/W:

R/W

• Bits 15 to 8—Reserved: These bits always read 0. The write value should always be 0.

• Bits 7 and 6—PG3 Mode Bits 1 and 0 (PG3MD1, PG3MD0): These bits select the function of

pin PG3/

IRQ3/ADTRG0.

Bit 7: PG3MD1

Bit 6: PG3MD0

Description

General input/output (PG3)

(Initial value)

Interrupt request input (

IRQ3)

A/D conversion trigger input (

ADTRG0)

Reserved (Do not set)

• Bits 5 and 4—PG2 Mode Bits 1 and 0 (PG2MD1, PG2MD0): These bits select the function of

pin PG2/

IRQ2.

Bit 5: PG2MD1

Bit 4: PG2MD0

Description

General input/output (PG2)

(Initial value)

Interrupt request input (

IRQ2)

Reserved (Do not set)

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