Renesas Electronics /R7FA4W1AD /SPI0 /SPDCR

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Interpret as SPDCR

7 43 0 0 00 0 0 0 0 0 0 0 0 (00)SPFC 0Reserved 0 (0)SPRDTD 0 (0)SPLW 0Reserved

SPLW=0, SPFC=00, SPRDTD=0

Description

SPI Data Control Register

Fields

SPFC

Number of Frames Specification

0 (00): 1 frame

1 (01): 2 frames

2 (10): 3 frames

3 (11): 4 frames.

Reserved

These bits are read as 00. The write value should be 00.

SPRDTD

RSPI Receive/Transmit Data Selection

0 (0): SPDR values are read from the receive buffer

1 (1): SPDR values are read from the transmit buffer (but only if the transmit buffer is empty)

SPLW

SPI Word Access/Halfword Access Specification

0 (0): SPDR_HA is valid to access in halfwords

1 (1): SPDR is valid (to access in words).

Reserved

These bits are read as 00. The write value should be 00.

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