SH7018 datasheet(103/431 Pages) RENESAS

103 / 431 page

• Bits 9 and 8—CS2 Space Wait Specification (W21, W20): These bits specify the number of

waits for CS2 space accesses.

Bit 9 (W21)

Bit 8 (W20)

Description

No wait (external wait input disabled)

1-wait external wait input enabled

2-wait external wait input enabled

3-wait external wait input enabled

(Initial value)

• Bits 7 and 6—Reserved. Either 0 or 1 can be written. These bits read the written value.

• Bits 5 and 4—CS1 Space Wait Specification (W11, W10): These bits specify the number of

waits for CS1 space accesses.

Bit 5 (W11)

Bit 4 (W10)

Description

No wait (external wait input disabled)

1-wait external wait input enabled

2-wait external wait input enabled

3-wait external wait input enabled

(Initial value)

• Bits 3 and 2—Reserved. Either 0 or 1 can be written. These bits read the written value.

• Bits 1 and 0—CS0 Space Wait Specification (W01, W00): These bits specify the number of

waits for CS0 space accesses.

Bit 1 (W01)

Bit 0 (W00)

Description

No wait (external wait input disabled)

1-wait external wait input enabled

2-wait external wait input enabled

3-wait external wait input enabled

(Initial value)

SH7018 Datasheet(PDF) 103 Page - Renesas Technology Corp