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Part Name
Description
ST75C520PQFP View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST75C520PQFP
HIGH SPEED FAX MODEM DATA PUMP
STMicroelectronics
'ST75C520PQFP' PDF : 45 Pages
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V.1.3 - Host Interface Summary
Address (hex)
Description
COMMAND AREA
$00
$01-$04
Command
Command Parameters
REPORT AREA
$05
$06-$07
Acknowledge Counter
Report
STATUS AREA
$08
$09-$0A
$0B
$0C-$0E
Error Status
General Status
Quality Monitor
Optional Report
DATA AREA
$1C
$1D-$24
$25
$26-$2D
$2E
$2F-$36
$37
$38-$3F
Data Rx Buffer 0 Status
Data Rx Buffer 0
Data Rx Buffer 1 Status
Data Rx Buffer 1
Data Tx Buffer 0 Status
Data Tx Buffer 0
Data Tx Buffer 1 Status
Data Tx Buffer 1
INTERRUPT AREA
$40-$46
$4F
$50
Reset Interrupt Reg.
Interrupt Mask Reg.
Interrupt Source Reg.
ST75C520
Size (Byte)
1
4
1
2
1
2
1
3
1
8
1
8
1
8
1
8
7
1
1
Mnemonic
COMSYS
COMPAR[0..3]
COMACK
COMREP[0..1]
SYSERR
STATUS[0..1]
STAQUA
STAOPT[0..2]
DTRBS0
DTRBF0[0..7]
DTRBS1
DTRBF1[0..7]
DTTBS0
DTTBF0[0..7]
DTTBS1
DTTBF1[0..7]
ITREST[0..6]
ITMASK
ITSRCR
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