Table 3-15. status register definitions, Table 3-16. status codes – Lantronix DSTni-EX User Manual

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Table 3-15. Status Register Definitions

Bits

Field Name

Description

7:3 STATUS

CODE Status Code

Five-bit status code. See Table 3-16.

2:0

///

Reserved

Table 3-16. Status Codes

Code

Description

00h Bus

error

08h

START condition sent

10h

Repeated START condition sent

18h

Address + write bit sent, ACK received

20h

Address + write bit sent ACK not received

28h

Data byte sent in master mode, ACK received

30h

Data byte sent in master mode, ACK not received

38h

Arbitration lost in address or data byte

40h

Address + read bit sent, ACK received

48h

Address + read bit sent, ACK not received

50h

Data byte received in master mode, ACK sent

58h

Data byte received in master mode, no ACK sent

60h

Slave address + write bit received, ACK sent

68h

Arbitration lost in address as master, slave address + write bit received, ACK sent

70h

General Call address received, ACK sent

78h

Arbitration lost in address as master, General Call address received, ACK sent

80h

Data byte received after slave address received, ACK sent

88h

Data byte received after slave address received, no ACK sent

90h

Data byte received after General Call received, ACK sent

98h

Data byte received after General Call received, ACK not sent

A0h

STOP or repeated START condition received in slave mode

A8h

Slave address + read bit received, ACK sent

B0h

Arbitration lost in address as master, slave address + read bit received, ACK sent

B8h

Data byte sent in slave mode, ACK received

C0h

Data byte sent in slave mode, ACK not received

C8h

Last byte sent in slave mode, ACK received

D0h

Second Address byte + write bit sent, ACK received

D8h

Second Address byte + write bit sent, ACK not received

E0h

Second address byte + read bit transmitted, ACK received

E8h

Second Address byte + read bit sent, ACK not received

F8h

No relevant status information IFLG=0

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