H8SSLASH2224 datasheet(626/1071 Pages) RENESAS

Il numero della parte	H8S/2224

Spiegazioni elettronici	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	1071 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

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

Rev. 5.00 Aug 08, 2006 page 540 of 982

REJ09B0054-0500

14.5

Interrupt Sources

Figures 14.13 and 14.14 show the transmit and receive interrupt sources, respectively.

DTC

IETxI (TxRDY interrupt)

Note: * The TxE flag is set at the timing when an error source of IETEF occurs. The TxE flag can be cleared even

when the error source flag in IETEF is set to 1 because the TxE flag is not logically ORed with flags in IETEF.

IETSR

IETSI

(Transmit status

interrupt)

TxRDY

IRA

IRAE

TxSE

IETEF

TTME

ACK

TxFE

TxEE

TxS

TxF

(*)

TxE

TxRDYE

IEIET

CPU

Figure 14.13 Relationships among Transfer Interrupt Sources

DTC

IERSR

IERSI

(Transmit status

interrupt)

IERxI (RxRDY interrupt)

RxRDY

RxSE

IEREF

OVE

RTME

DLE

RxFE

RxEE

RxS

RxF

(*)

RxE

RxRDYE

IEIER

CPU

Note: * The RxE flag is set at the timing when an error source of IEREF occurs. The RxE flag can be cleared even

when the error source flag in IEREF is set to 1 because the RxE flag is not logically ORed with flags in IEREF.

Figure 14.14 Relationships among Receive Interrupt Sources

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