SERC816 datasheet(19/23 Pages) STMICROELECTRONICS

19 / 23 page

19/23

SERCON816

For master mode (SCMASTER = 1) the control words are coded as follows:

Index

Bit

Name

Function

HS_MDT

Handshake-bit in MDT

L/S_MDT

Read/write in MDT

END_MDT

End in MDT

3-5

ELEM_MDT

Data element type in MDT

SETEND

END_MDT is to be set

M_BUSY

Service container waits for interaction of microprocessor

(M_BUSY = 1)

8-9

NINFO_WRITE

Number of info words in write buffer (1 to 4)

10-11

(Not used)

INT_ERR

Slave reports error

INT_END_WRBUF

End of write buffer is reached

INT_END_RDBUF

End of read buffer is reached

(Not used)

HS_AT

Handshake bit in AT

BUSY_AT

Busy bit in AT

ERR_AT

Error bit in AT

CMD_AT

Command modification bit in AT

4-6

(Not used)

RECERR

Last transmission was correct (0) or erroneous (1)

8-9

NINFO_READ

Number of info words in read buffer (1 to 4)

10-15

(Not used)

0-7

WRDATPT

Pointer to present position in write buffer

8-15

WRDATLAST

Pointer to last position in write buffer

0-7

RDDATPT

Pointer to present position in read buffer

8-15

RDDATLAST

Pointer to last position in read buffer

0-7

ERR_CNT

Error counter

BUSY_CNT

Error counts differences of handshake (0) or BUSY cycles (1)

INT_SC_ERR

Interrupt due to protocol error

INT_HS_TIMEOUT

Interrupt due to handshake timeout

INT_BUSY_TIMEOUT

Interrupt BUSY timeout

INT_CMD

Slave has set command modification bit

13-15

(Not used)

SERC816 Folha de dados(PDF) 19 Page - STMicroelectronics

SERC816 Folha de dados(HTML) 19 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Folha de dados Download

Ligação URL