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ST75C520 数据表(PDF) 13 Page - STMicroelectronics

部件名 ST75C520
功能描述  HIGH SPEED FAX MODEM DATA PUMP
PDF  45 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST75C520 数据表(HTML) 13 Page - STMicroelectronics

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V.1.3 - Host Interface Summary
Address (hex)
Description
Size (Byte)
Mnemonic
COMMAND AREA
$00
Command
1
COMSYS
$01-$04
Command Parameters
4
COMPAR[0..3]
REPORT AREA
$05
Acknowledge Counter
1
COMACK
$06-$07
Report
2
COMREP[0..1]
STATUS AREA
$08
Error Status
1
SYSERR
$09-$0A
General Status
2
STATUS[0..1]
$0B
Quality Monitor
1
STAQUA
$0C-$0E
Optional Report
3
STAOPT[0..2]
DATA AREA
$1C
Data Rx Buffer 0 Status
1
DTRBS0
$1D-$24
Data Rx Buffer 0
8
DTRBF0[0..7]
$25
Data Rx Buffer 1 Status
1
DTRBS1
$26-$2D
Data Rx Buffer 1
8
DTRBF1[0..7]
$2E
Data Tx Buffer 0 Status
1
DTTBS0
$2F-$36
Data Tx Buffer 0
8
DTTBF0[0..7]
$37
Data Tx Buffer 1 Status
1
DTTBS1
$38-$3F
Data Tx Buffer 1
8
DTTBF1[0..7]
INTERRUPT AREA
$40-$46
Reset Interrupt Reg.
7
ITREST[0..6]
$4F
Interrupt Mask Reg.
1
ITMASK
$50
Interrupt Source Reg.
1
ITSRCR
ST75C520
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