H8SSLASH2225 datasheet(597/1071 Pages) RENESAS

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Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]

Rev. 5.00 Aug 08, 2006 page 511 of 982

REJ09B0054-0500

14.3.15 IEBus Lock Address Register 1 (IELA1)

IELA1 specifies the lower 8 bits of a locked address when a unit is locked. Data in this register is

valid when the LCK flag in IEFLG is set to 1. This register cannot be modified.

Bit

Bit Name

Initial Value

R/W

Description

ILA7

ILA6

ILA5

ILA4

ILA3

ILA2

ILA1

ILA0

Lower 8 Bits of IEBus Lock Address

Store the lower 8 bits of the master unit address

when a unit is locked.

14.3.16 IEBus Lock Address Register 2 (IELA2)

IELA2 is an 8-bit read-only register that specifies the upper 4 bits of a locked address when a unit

is locked. Data in this register is valid when the LCK flag in IEFLG is set to 1. This register

cannot be modified.

Bit

Bit Name

Initial Value

R/W

Description

7 to 4



All 0

Reserved

These bits are always read as 0.

ILA11

ILA10

ILA9

ILA8

Upper 4 Bits of IEBus Locked Address

Store the upper 4 bits of the master unit address

when a unit is locked.

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