BLUENRG-2 datasheet(104/190 Pages) STMICROELECTRONICS

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Functional details

BlueNRG-2

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DocID030675 Rev 2

Table 111: I2C - MISR register description: address offset I2CX_BASE_ADDR+0x34

Bit

Field name

Reset

Description

TXFEMIS

0x0

TX FIFO empty masked interrupt status.

0: TX FIFO is not empty.

1: TX FIFO is empty.

TXFNEMIS

0x0

TX FIFO nearly empty masked interrupt status.

0: Number of entries in TX FIFO greater than the

TFTR:THRESHOLD_TX register.

1: Number of entries in TX FIFO less than or equal to the

TFTR:THRESHOLD_TX register.

TXFFMIS

0x0

Tx FIFO full masked interrupt status.

0: TX FIFO is not full.

1: TX FIFO is full.

TXFOVRMIS

0x0

Tx FIFO overrun masked interrupt status.

0: No overrun condition occurred in TX FIFO.

1: Overrun condition occurred in TX FIFO.

RXFEMIS

0x0

RX FIFO empty masked interrupt status.

0: RX FIFO is not empty.

1: RX FIFO is empty.

RXFNFMIS

0x0

RX FIFO nearly full masked interrupt status.

0: Number of entries in the RX FIFO less than the

RFTR:THRESHOLD_RX register.

1: Number of entries in the RX FIFO greater than or equal to

the RFTR:THRESHOLD_RX register.

RXFFMIS

0x0

RX FIFO full masked interrupt status.

0: RX FIFO is not full.

1: RX FIFO is full.

15:7

RESERVED

0x0

RESERVED

RFSRMIS

0x0

Read-from-slave request masked interrupt status.

0: Read-from-slave request has been served.

1: Read-from-slave request is pending.

RFSEMIS

0x0

Read-from-slave empty masked interrupt status.

0: TX FIFO is not empty.

1: TX FIFO is empty with the read-from-slave operation in

progress.

WTSRMIS

0x0

Write-to-slave request masked interrupt status.

0: No write-to-slave request pending.

1: Write-to-slave request is pending.

MTDMIS

0x0

Master transaction done masked interrupt status.

0: Master transaction acknowledged.

1: Master transaction done (ready for acknowledgment).

STDMIS

0x0

Slave transaction done masked interrupt status.

0: Slave transaction acknowledged.

1: Slave transaction done (ready for acknowledgment).

BLUENRG-2 Datasheet(PDF) 104 Page - STMicroelectronics

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