CD2481 Datasheet, PDF (22/222 Pages) Intel Corporation – Programmable Four-Channel Communications Controller

CD2481 — Programmable Four-Channel Communications Controller
4.1.3
Bit Rate and Clock Option Registers
Name
RBPR
RCOR
TBPR
TCOR
Description
Receive Baud Rate Period Register
Receive Clock Option Register
Transmit Baud Rate Period Register
Transmit Clock Option Register
Addr.
Mode ¹
P
P
P
P
INT ²
C9
CA
C1
C2
MOT ³
CB
C8
C3
C0
4.1.4
Channel Command and Status Registers
Size
B
B
B
B
Access Page
R/W
145
R/W
145
R/W
146
R/W
147
Name
Description
CCR
STCR
CSR
MSVR-RTS
MSVR-DTR
Channel Command Register
Special Transmit Command Register
Channel Status Register
Modem Signal Value Registers
4.1.5
Interrupt Registers
Addr.
Mode ¹
P
P
P
P
P
INT ²
10
11
19
DC
DD
MOT ³
13
12
1A
DE
DF
Size
B
B
B
B
B
Access Page
R/W
148
R/W
150
R
153
R/W
158
R/W
158
Name
LIVR
IER
LICR
STK
Description
Local Interrupt Vector Register
Interrupt Enable Register
Local Interrupting Channel Register
Stack Register
Addr.
Mode ¹
P
P
P
G
INT ²
0A
12
25
E0
MOT ³
09
11
26
E2
Size
B
B
B
B
Access Page
R/W
159
R/W
160
R/W
162
R
162
22
Datasheet