參數(shù)資料
型號: DS21Q48N
英文描述: 5V E1/T1/J1 Line Interface
中文描述: 5V的E1/T1/J1線路接口
文件頁數(shù): 9/75頁
文件大?。?/td> 544K
代理商: DS21Q48N
DS2148/Q48
9 of 75
TRANSMIT LOGIC
Figure 3-3
4. PIN DESCRIPTION
The DS2148 can be controlled in a parallel port mode, a serial port mode, or a hardware mode (Table 4-1,
4-2, and 4-3). The parallel and serial port modes are described in Section 3, and the hardware mode is
described below.
BUS INTERFACE SELECTION
Table 4-1
BIS1
BIS0
PBTS
0
0
0
0
0
1
0
1
0
0
1
1
1
0
-
1
1
-
BUS INTERFACE TYPE
Muxed Intel
Muxed Motorola
Nonmuxed Intel
Nonmuxed Motorola
Serial Port
Hardware
BPV
Insert
mux
B8ZS/
HDB3
Coder
Logic
Error
Insert
mux
OR
Gate
OR
Gate
CCR3.1
CCR1.6
CCR2.2
CCR3.0
CCR3.4
CCR3.3
TPOS
TNEG
To
Remote
Loopback
PRBS Generator
Loop Code Generator
Clock
Invert
Loss Of Transmit
Clock Detect
TCLK
CCR2.1
RCLK
JACLK
(derived
from
MCLK)
CCR1.0
CCR1.1
CCR1.2
1
0
mux
mux
OR
Gate
To LOTC Output Pin
0
1
0
1
AND
Gate
Routed to
All Blocks
tx bd
SR.5
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