參數(shù)資料
型號： SC4000
廠商： NXP SEMICONDUCTORS
元件分類： 路由/交換
英文描述： Pressure Transducer, Series 19 mm, Compensated, Pressure Range: 0 psi to 200 psi, Vacuum Gage, 1/8-27 NPT, 10 Vdc excitation
中文描述： TELECOM, DIGITAL TIME SWITCH, PQFP100
封裝： TQFP-100
文件頁數(shù)： 26/52頁
文件大?。?/td> 179K
代理商： SC4000
2000 Sep 07
26
Philips Semiconductors
Preliminary specification
Universal Timeslot Interchange
SC4000
Destination Routing MemoryDLow Byte
Time-Slot Select [6:0] (Read/write)
This field selects the SCbus Time-Slot
that a Destination Channel is routed to.
00h -> SCbus Time-Slot 0 (Default)
01h -> SCbus Time-Slot 1
02h -> SCbus Time-Slot 2
.
.
7Eh -> SCbus Time-Slot 126
7Fh -> SCbus Time-Slot 127
Destination Routing MemoryD High Byte
Port Select [3:0] (Read/Write)
This field selects the SCbus Port that a
Destination Channel is routed to.
0h -> SCbus SD_0 (Default)
1h -> SCbus SD_1
2h -> SCbus SD_2
.
.
Eh -> SCbus SD_14
Fh -> SCbus SD_15
Parallel Access Enable (Read/Write)
This bit enables the Destination Parallel
Access channel to be output in place of
the SI Local Bus serial stream.
0 -> Parallel Access Disabled (Default)
1 -> Parallel Access Enabled
Switch Output Enable (Read/Write)
This bit enables the Switch Output to
the SCbus.
0 -> Output Disabled (Default)
1 -> Output Enabled
Source Routing MemoryD Low Byte
Time-Slot/Channel Select [6:0] (Read/Write)
If Local Connect is disabled (default)
this field selects the SCbus Time-Slot
that is routed to a Source Channel.
00h -> SCbus Time-Slot 0 (Default)
01h -> SCbus Time-Slot 1
02h -> SCbus Time-Slot 2
.
.
7Eh -> SCbus Time-Slot 126
7Fh -> SCbus Time-Slot 127
If Local Connect is enabled this field
selects the Destination Channel that
is routed to a Source Channel.
00h -> Destination Channel 0 (Default)
01h -> Destination Channel 1
02h -> Destination Channel 2
.
.
7Eh -> Destination Channel 126
7Fh -> Destination Channel 127
Source Routing MemoryDHigh byte
Port Select [3:0] (Read/Write)
This field selects the SCbus Port that is
routed to a Source Channel.
0h -> SCbus SD_0 (Default)
1h -> SCbus SD_1
2h -> SCbus SD_2
.
.
Eh -> SCbus SD_14
Fh -> SCbus SD_15
If Local Connect is enabled this field is
don’t care.
Local Connect Enable (Read/Write)
This bit enables the Local Connection
of a Destination Channel to a Source
Channel.
0 -> Local Connect Disabled (Default)
1 -> Local Connect Enabled
Switch Output Enable (Read/Write)
This bit enables the Switch Output to
the Local Bus.
0 -> Output Disabled (Default)
1 -> Output Enabled
Parallel Access
The parallel access channels can be ac-
cessed two ways: Indirect and Direct.
Destination Parallel Access
Serial Data [1:8] (Read/Write)
This register contains the byte to be
transmitted when Destination Routing
Memory Parallel Access is enabled
Note:
When converted from parallel
to serial, bit 1 is transmitted first.
Note
: This register is cleared (“00”)
on Reset.
Source Parallel Access
LBDR_[7:0]
Serial Data [1:8] (Read Only)
This register contains the byte received
from the Source Channel selected by the
Source Routing Memory.
Note
: When converted from serial to
parallel, bit 1 is received first.
LBDR_[7:0]
Definition
[6:0]
Time-slot Select [6:0]
7
Reserved
HBDR_[7:0]
Definition
[3:0]
Port Select [3:0]
[5:4]
Reserved
6
Parallel Access Enable
7
Switch Output Enable
LBDR_[7:0]
Definition
[6:0]
Time-Slot/Channel Select [6:0]
7
Reserved
HDBR_[7:0]
Definition
[3:0]
Port Select [3:0]
[5:4]
Reserved
6
Local Connect Enable
7
Switch Output Enable
LBDR_[7:0]
Definition
[7:0]
Serial Data Bit [1:8]
Definition
[7:0]
Serial Data Bit [1:8]
相關PDF資料
PDF描述
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