SH7041A datasheet(658/923 Pages) RENESAS

658 / 923 page

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• Bits 13 and 12—PB6 Mode (PB6MD1 and PB6MD0): PB6MD1 and PB6MD0 select the

function of the PB6/

IRQ4/A18/BACK pin.

Bit 13:

PB6MD1

Bit 12:

PB6MD0

Description

General input/output (PB6) (initial value)

Interrupt request input (

IRQ4)

Address output (A18) (PB6 in single chip mode)

Bus right request output (

BACK) (PB6 in single chip mode)

• Bits 11 and 10—PB5 Mode (PB5MD1 and PB5MD0): PB5MD1 and PB5MD0 select the

function of the PB5/

IRQ3/POE3/RDWR pin.

Bit 11:

PB5MD1

Bit 10:

PB5MD0

Description

General input/output (PB5) (initial value)

Interrupt request input (

IRQ3)

Port output enable (

POE3)

Read/write output (RDWR)

• Bits 9 and 8—PB4 Mode (PB4MD1 and PB4MD0): PB4MD1 and PB4MD0 select the

function of the PB4/

IRQ2/POE2/CASH pin.

Bit 9: PB4MD1

Bit 8: PB4MD0

Description

General input/output (PB4) (initial value)

Interrupt request input (

IRQ2)

Port output enable (

POE2)

Column address strobe (

CASH) (PB4 in single chip mode)

• Bits 7 and 6—PB3 Mode (PB3MD1 and PB3MD0): PB3MD1 and PB3MD0 select the

function of the PB3/

IRQ1/POE1/CASL pin.

Bit 7: PB3MD1

Bit 6: PB3MD0

Description

General input/output (PB3) (initial value)

Interrupt request input (

IRQ1)

Port output enable (

POE1)

Column address strobe (

CASL) (PB3 in single chip mode)

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