H8SLASH3028F datasheet(114/923 Pages) RENESAS

No. de pieza	H8/3028F

Descripción Electrónicos	Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

PDF	923 Pages

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Fabricante Electrónico	RENESAS [Renesas Technology Corp]

Página de inicio	http://www.renesas.com

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114 / 923 page

Rev. 2.00, 09/03, page 84 of 890

Bit

Initial value

Read/Write

SSBY

R/W

STS2

R/W

STS1

R/W

STS0

R/W

RAME

R/W

NMIEG

R/W

SSOE

R/W

Software standby

Standby timer

select 2 to 0

User bit enable

Selects whether to use the UI bit in

CCR as a user bit or interrupt mask bit

NMI edge select

Selects the NMI input edge

Software standby

output port enable

RAM enable

Bit 3—User Bit Enable (UE): Selects whether to use the UI bit in CCR as a user bit or an

interrupt mask bit.

Bit 3

Description

UI bit in CCR is used as interrupt mask bit

UI bit in CCR is used as user bit

(Initial value)

Bit 2—NMI Edge Select (NMIEG): Selects the NMI input edge.

Bit 2

NMIEG

Description

Interrupt is requested at falling edge of NMI input

(Initial value)

Interrupt is requested at rising edge of NMI input

5.2.2

Interrupt Priority Registers A and B (IPRA, IPRB)

IPRA and IPRB are 8-bit readable/writable registers that control interrupt priority.

H8/3028F Datasheet(PDF) 114 Page - Renesas Technology Corp

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