參數(shù)資料
型號: ST75C540FP-A
廠商: 意法半導體
英文描述: SUPER INTEGRATED DEVICESWITH DSP, AFE & MEMORIES FORTELEPHONY,MODEM, FAXOVERINTERNET& POTSLINES
中文描述: 超級綜合DEVICESWITH數(shù)字信號處理器,模擬前端
文件頁數(shù): 33/84頁
文件大?。?/td> 599K
代理商: ST75C540FP-A
DSIT
Opcode:
Define Status Interrupt
DSIT
13
0
0
0
1
0
0
1
1
Synopsis
DSIT specifies the bit mask used with the STATUS[0] and STATUS[1] byte to generatean
interrupt IT4 to controller. Each time a bit change happens in the status words, assuming
the correspondingbit mask will be set, an interruptwill be generated.
Parameters
Field
Byte
1
2
Pos.
7..0
7..0
Value
Definition
STA_IT_MSK0
STA_IT_MSK1
Status[0] bit mask pattern
Status[1] bit mask pattern
Note :
FORM
Opcode:
The default IT Status is 0x3F for STATUS[0]and 0xFF for STATUS[1].
SelectTransmissionFormat
FORM
09
0
0
0
0
1
0
0
1
Synopsis
Parameters
FORMdefines the type of transmission used on the line.
Field
X_SYNC
Byte
1
Pos.
2..0
Value
000*
001
010
011
100
00
01
00
01
10
0
1
Definition
Synchronous format
Transmit continous “1”
(1)
HDLC framing
Transmit continous ”0”
(1)
UART
7 Bit per character
8 Bit per character
No parity
Even parity
Odd parity
1 stop bit
(1)
2 stop bit
(1)
X_ANBIT
2
1..0
X_APAR
2
3..2
X_ASTOP
2
5
Note :
HSHK
Opcode:
1. Validonly when transmitting.
Handshake
HSHK
04
0
0
0
0
0
1
0
0
Synopsis
HSHK is used to command the ST75C530/540to begin the transmithandshakesequence
processing.The progressof the handshakeis reported to the control processor.
Non parametriccommand.
Parameter
VII - COMMAND SET DESCRIPTION
(continued)
ST75C530- ST75C540
33/84
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