CD2481 Datasheet, PDF (28/222 Pages) Intel Corporation – Programmable Four-Channel Communications Controller

CD2481 — Programmable Four-Channel Communications Controller
X.21 Mode
SYN Character
Programmable Sync Mode
SYN1 Character
Channel Option Register 7 (COR7)
Asynchronous Mode Only
IStrip
LNE
FCErr
0
0
Programmable Sync Mode
04 07 B R/W
0
ONLCR
OCRNL
SYN2 Character
Special Character Registers
Special Character Register 1 (SCHR1)
Special Character Register 2 (SCHR2)
Special Character Register 3 (SCHR3)
Special Character Register 4 (SCHR4)
Special Character Ranges
Special Character Range low (SCRl)
Special Character Range high (SCRh)
LNext Character (LNXT)
Receive Frame Address Registers
Receive Frame Address Register 1 (RFAR1)
Receive Frame Address Register 2 (RFAR2)
Receive Frame Address Register 3 (RFAR3)
Receive Frame Address Register 4 (RFAR4)
CRC Polynomial Select Register (CPSR)
1C 1F B
1D 1E B
1E 1D B
1F 1C B
R/W Async
R/W Async
R/W Async
R/W Async
20 23 B
21 22 B
R/W Async
R/W Async
2D 2E B R/W Async
1C 1F B
1D 1E B
1E 1D B
1F 1C B
R/W Sync
R/W Sync
R/W Sync
R/W Sync
D4 D6 B R/W
0
0
0
0
0
0
0
poly
Transmit Special Mapped Characters (PPP only)
Transmit Special Mapped Character 1 (TSPMAP1)
1B 18 B R/WPPP
28
Datasheet