SH7041A datasheet(668/923 Pages) RENESAS

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• Bits 5 and 4—PD26 Mode 1, 0 (PD26MD1 and PD26MD0): These bits select the function of

the PD26/D26/DACK0 pin.

Bit 5:

PD26MD1

Bit 4:

PD26MD0

Description

General input/output (PD26) (initial value) (D26 with no ROM

and CS0 = 32 bit width)

Data input/output (D26) (PD26 in single chip mode)

DMA transfer request received output (DACK0) (PD26 in single

chip mode, and D26 with no ROM and CS0 = 32 bit width)

Reserved

• Bits 3 and 2—PD25 Mode 1, 0 (PD25MD1 and PD25MD0): These bits select the function of

the PD25/D25/

DREQ1 pin.

Bit 3:

PD25MD1

Bit 2:

PD25MD0

Description

General input/output (PD25) (initial value) (D25 with no ROM

and CS0 = 32 bit width)

Data input/output (D25) (PD25 in single chip mode)

DMA transfer request input (

DREQ1) (PD25 in single chip

mode, and D25 with no ROM and CS0 = 32 bit width)

Reserved

• Bits 1 and 0—PD24 Mode 1, 0 (PD24MD1 and PD24MD0): These bits select the function of

the PD24/D24/

DREQ0 pin.

Bit 1:

PD24MD1

Bit 0:

PD24MD0

Description

General input/output (PD24) (initial value) (D24 with no ROM

and CS0 = 32 bit width)

Data input/output (D24) (PD24 in single chip mode)

DMA transfer request input (

DREQ0) (PD24 in single chip

mode, and D24 with no ROM and CS0 = 32 bit width)

Reserved

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