參數(shù)資料
型號: DS3112
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PBGA256
封裝: 27 X 27 MM, PLASTIC, BGA-256
文件頁數(shù): 114/134頁
文件大?。?/td> 900K
代理商: DS3112
DS3112
80 of 134
Bits 0 to 4 / T1/E1 Drop Port A Select Bits (DPAS0 to DPAS4).
Bits 8 to 12 / T1/E1 Drop Port B Select Bits (DPBS0 to DPBS4).
These bits select which of the 28 T1 ports or 16 E1 ports (if any) should be output at either Drop Port A
or Drop Port B. If no port is selected, the LRDATA, LRCLKA, LRDATB, and LRCLKB output pins
will be forced low.
DPxS4:0
00000 no port
01000 Port 8
10000 Port 16
11000 Port 24
00001 Port 1
01001 Port 9
10001 Port 17
11001 Port 25
00010 Port 2
01010 Port 10
10010 Port 18
11010 Port 26
00011 Port 3
01011 Port 11
10011 Port 19
11011 Port 27
00100 Port 4
01100 Port 12
10100 Port 20
11100 Port 28
00101 Port 5
01101 Port 13
10101 Port 21
11101 no port
00110 Port 6
01110 Port 14
10110 Port 22
11110 no port
00111 Port 7
01111 Port 15
10111 Port 23
11111 no port
Register Name:
T1E1SIP
Register Description:
T1/E1 Select Register for Transmit Insert Ports A and B
Register Address:
62h
Bit #
765
43210
Name
n/a
IPAS4
IPAS3
IPAS2
IPAS1
IPAS0
Default
-
00000
Bit #
151413
121110
9
8
Name
n/a
IPBS4
IPBS3
IPBS2
IPBS1
IPBS0
Default
-
00000
Note: Bits that are underlined are read only; all other bits are read-write.
Bits 0 to 4 / T1/E1 Insert Port A Select Bits (IPAS0 to IPAS4).
Bits 8 to 12 / T1/E1 Insert Port B Select Bits (IPBS0 to IPBS4).
These bits select if clock and data from either of the two insert ports (Insert Port A or Insert Port B)
should replace the clock and data presented at one of the 28 T1 ports or 16/21 E1 ports. If no port is
selected, the clock and data presented at the LTDATA, LTCLKA, LTDATB, and LTCLKB input pins is
ignored. The same port should not be selected for both Insert Port A and Insert Port B.
IPxS4:0
00000 no port
01000 Port 8
10000 Port 16
11000 Port 24
00001 Port 1
01001 Port 9
10001 Port 17
11001 Port 25
00010 Port 2
01010 Port 10
10010 Port 18
11010 Port 26
00011 Port 3
01011 Port 11
10011 Port 19
11011 Port 27
00100 Port 4
01100 Port 12
10100 Port 20
11100 Port 28
00101 Port 5
01101 Port 13
10101 Port 21
11101 no port
00110 Port 6
01110 Port 14
10110 Port 22
11110 no port
00111 Port 7
01111 Port 15
10111 Port 23
11111 no port
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