H8SXSLASH1663R datasheet(487/1504 Pages) RENESAS

Teilenummer	H8SX/1663R

Bauteilbeschribung	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

PDF	1504 Pages

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Hersteller	RENESAS [Renesas Technology Corp]

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Section 11 EXDMA Controller (EXDMAC)

Rev. 2.00 Sep. 24, 2008 Page 455 of 1468

REJ09B0412-0200

Figure 11.1 shows a block diagram of the EXDMAC.

EDREQn

EDACKn

ETENDn

EDRAKn

EDMDR_n

EDACR_n

EDOFR_n

EDSAR_n

EDDAR_n

EDTCR_n

EDBSR_n

CLSBR1

CLSBR2

CLSBR0

CLSBR7

External pins

Control unit

Interrupt request

signals to CPU

for individual channels

Internal address bus

Internal data bus

Data buffer

Address buffer

Processor

Module data bus

EDSAR_n:

EDDAR_n:

EDOFR_n:

EDTCR_n:

EDBSR_n:

EDMDR_n:

EDACR_n:

CLSBR0 to CLSBR7:

EXDMA source address register

EXDMA destination address register

EXDMA offset register

EXDMA transfer count register

EXDMA block size register

EXDMA mode control register

EXDMA address control register

Cluster buffer registers 0 to 7

EDREQn:

EDACKn:

ETENDn:

EDRAKn:

(n: 0 to 3)

EXDMA transfer request

EXDMA transfer acknowledge

EXDMA transfer end

EDREQ acceptance acknowledge

[Legend]

Figure 11.1 Block Diagram of EXDMAC

H8SX/1663R Datenblatt(PDF) 487 Page - Renesas Technology Corp

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