Renesas SH7781 User Manual

Page 734

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14. Direct Memory Access Controller (DMAC)

Rev.1.00 Jan. 10, 2008 Page 704 of 1658
REJ09B0261-0100

Table 14.8 List of On-Chip Peripheral Module Request Modes

CHCR DMARS

RS[3:0] MID

RID

DMA Transfer
Request Source DMA Transfer Request Signal Source

Destination

Bus
Mode

1000

000000 11

SSI0 transmitter

Transmit data empty request
(In transmit mode, the DMRQ
bit in the SSISR0 register is 1.)

Any SSITDR0

Cycle
steal

SSI0 receiver

Unread data is present (In
receive mode, the DMRQ bit in
the SSISR0 register is 1.)

SSIRDR0 Any

Cycle
steal

000001 11

SSI1 transmitter

Transmit data empty request
(In transmit mode, the DMRQ
bit in the SSISR1 register is 1.)

Any SSITDR1

Cycle
steal

SSI1 receiver

Unread data is present (In
receive mode, the DMRQ bit in
the SSISR1 register is 1.)

SSIRDR1 Any

Cycle
steal

001000 01

SCIF0 transmitter TXI (transmit FIFO data empty) Any

SCFTDR0

Cycle
steal

10

SCIF0 receiver

RXI (receive FIFO data full)

SCFRDR0

Any

Cycle
steal

001001 01

SCIF1 transmitter TXI (transmit FIFO data empty) Any

SCFTDR1

Cycle
steal

10

SCIF1 receiver

RXI (receive FIFO data full)

SCFRDR1

Any

Cycle
steal

001010 01

SCIF2 transmitter TXI (transmit FIFO data empty) Any

SCFTDR2

Cycle
steal

10

SCIF2 receiver

RXI (receive FIFO data full)

SCFRDR2

Any

Cycle
steal

001011 01

SCIF3 transmitter TXI (transmit FIFO data empty) Any

SCFTDR3

Cycle
steal

10

SCIF3 receiver

RXI (receive FIFO data full)

SCFRDR3

Any

Cycle
steal

001100 01

SCIF4 transmitter TXI (transmit FIFO data empty) Any

SCFTDR4

Cycle
steal

10

SCIF4 receiver

RXI (receive FIFO data full)

SCFRDR4

Any

Cycle
steal

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