H8SLASH3003 datasheet(124/715 Pages) RENESAS

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6.2.3 Wait Control Register (WCR)

WCR is an 8-bit readable/writable register that selects the wait mode for the wait-state controller

(WSC) and specifies the number of wait states.

WCR is initialized to H'F3 by a reset and in hardware standby mode. It is not initialized in

software standby mode.

Bits 7 to 4—Reserved: Read-only bits, always read as 1.

Bits 3 and 2—Wait Mode Select 1 and 0 (WMS1/0): These bits select the wait mode.

Bit 3

Bit 2

WMS1

WMS0

Description

Programmable wait mode

(Initial value)

No wait states inserted by wait-state controller

Pin wait mode 1

Pin auto-wait mode

Bit

Initial value

Read/Write

—

WMS1

R/W

WC0

R/W

WMS2

R/W

WC1

R/W

Wait count 1/0

These bits select the

number of wait states

inserted

Reserved bits

Wait mode select 1/0

These bits select the wait mode

106

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