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Spi interrupt mask register – Rainbow Electronics AT75C220 User Manual

Page 135

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AT75C220

135

SPI Interrupt Mask Register

Register Name:SP_IMR
Access Type:Read-only
Reset Value: 0x0

RDRF: Receive Data Register Full Interrupt Mask

0 = Receive data register full interrupt is disabled.

1 = Receive data register full interrupt is enabled.

TDRE: Transmit Data Register Empty Interrupt Mask

0 = Transmit data register empty interrupt is disabled.

1 = Transmit data register empty interrupt is enabled.

MODF: Mode Fault Error Interrupt Mask

0 = Mode fault error interrupt is disabled.

1 = Mode fault error interrupt is enabled.

OVRES: Overrun Error Interrupt Mask

0 = Overrun error interrupt is disabled.

1 = Overrun error interrupt is enabled.

A one in any of the bits unmasks the relative interrupt.

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OVRES

MODF

TDRE

RDRF