ds2155gt-r Maxim Integrated Products, Inc., ds2155gt-r Datasheet - Page 33
ds2155gt-r
Manufacturer Part Number
ds2155gt-r
Description
Ds2155 T1/e1/j1 Single-chip Transceiver
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS2155GT-R.pdf
(238 pages)
- Current page: 33 of 238
- Download datasheet (2Mb)
5. PARALLEL PORT
The SCT is controlled by either a nonmultiplexed (MUX = 0) or a multiplexed (MUX = 1) bus through an
external microcontroller or microprocessor. The SCT can operate with either Intel or Motorola bus timing
configurations. If the BTS pin is connected low, Intel timing is selected; if connected high, Motorola
timing is selected. All Motorola bus signals are listed in parentheses (). See the timing diagrams in AC
Electrical Characteristics in Section
5.1 Register Map
Table 5-A. Register Map Sorted by Address
ADDRESS
xxh
0A
0B
0C
0D
1A
1B
1C
1D
0E
0F
1E
1F
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
R
R
R
R
Master Mode Register
I/O Configuration Register 1
I/O Configuration Register 2
T1 Receive Control Register 1
T1 Receive Control Register 2
T1 Transmit Control Register 1
T1 Transmit Control Register 2
T1 Common Control Register 1
Software Signaling Insertion Enable 1
Software Signaling Insertion Enable 2
Software Signaling Insertion Enable 3
Software Signaling Insertion Enable 4
T1 Receive Digital Milliwatt Enable Register 1
T1 Receive Digital Milliwatt Enable Register 2
T1 Receive Digital Milliwatt Enable Register 3
Device Identification Register
Information Register 1
Information Register 2
Information Register 3
Unused
Interrupt Information Register 1
Interrupt Information Register 2
Status Register 1
Interrupt Mask Register 1
Status Register 2
Interrupt Mask Register 2
Status Register 3
Interrupt Mask Register 3
Status Register 4
Interrupt Mask Register 4
Status Register 5
Interrupt Mask Register 5
Status Register 6
Interrupt Mask Register 6
Status Register 7
Interrupt Mask Register 7
Status Register 8
37
REGISTER NAME
for more details.
33 of 238
SYMBOL
MSTRREG
T1RDMR1
T1RDMR2
T1RDMR3
T1RCR1
T1RCR2
T1TCR1
T1TCR2
T1CCR1
IOCR1
IOCR2
INFO1
INFO2
INFO3
SSIE1
SSIE2
SSIE3
SSIE4
IMR1
IMR2
IMR3
IMR4
IMR5
IMR6
IMR7
IDR
IIR1
IIR2
SR1
SR2
SR5
SR6
SR7
SR8
SR3
SR4
—
PAGE
DS2155
153
154
155
106
106
135
136
135
136
112
40
69
70
46
47
48
49
50
93
93
94
94
52
52
52
63
53
60
—
42
42
63
64
65
66
67
68
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