參數(shù)資料
型號： AK61584
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:55; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-35 RoHS Compliant: No
中文描述： 雙低功耗的T1/E1線路接口
文件頁數(shù)： 21/38頁
文件大?。?/td> 364K
代理商： AK61584
ASAHI KASEI
[AK61584]
0185-E-00
98/04
-21-
Definition
1
Reset
Value
Register
Address
h14
b0100
bit Name
0
Channel 1 Control A
7
6
5
4
CLKE
PD1
ATTEN01
ATTEN11
RPOS/RNEG valid on
Falling RCLK
Power Down Channel 1
ATTEN01 ATTENN11
0
0
1
Coder/Mode enabled
AMI encoder enabled
AMI decoder enabled
Test
RPOS/RNEG valid on rising
RCLK
Power Up Channel 1
0
0
0
0
0
1
0
Attenuator 1 in receiver path
Attenuator 1 in transmit path
Attenuator 1 inactive
Transparent mode enabled
B8ZS/HDB3 encoder enabled
B8ZS/HDB3 decoder enabled
Normal Operation
3
2
1
0
CODER1
AMI-T1
AMI-R1
Factory Test 1
Channel 2 Control A
0
0
0
0
h15
b0101
7
6
5
4
Reserved
PD2
ATTEN02
ATTEN12
Must be set to 0
Power Down Channel 2
ATTEN02 ATTEN12
0
0
1
0
Coder/Mode enabled
AMI encoder enabled
AMI decoder enabled
Test
Power Up Channel 2
0
0
0
0
0
1
Attenuator 2 in receiver path
Attenuator 2 in transmit path
Attenuator 2 inactive
Transparent mode enabled
B8ZS/HDB3 encoder enabled
B8ZS/HDB3 decoder enabled
Normal Operation
3
2
1
0
CODER2
AMI-T2
AMI-R2
Factory Test
0
0
0
0
Table 5(c). Control A Registers
CODER: Writing a “1” enables a coder (AMI,
B8ZS or HDB3), and enables pins TDATA, RDATA,
AIS and BPV. Writing a “0” disables the coder, plac-
ing the channel in transparent mode, and enables pins TPOS,
TNEG, RPOS and RNEG.
Factory Test: Must be set to “0” for normal operation.
PD: Writing a “1” powers down the channel.
Control B Registers Description
Each bit in the control register is defined below.
CON<0:2>: controls the configuration of the trans-
mitter, receiver and coder as shown in Table 1. Both
channels must operate at the same rate (both T1 or
both E1). Specifications are not guaranteed with the
channels operating at different rates. After a manual or
power-on reset, the CON bits are reset to the E1 rate.
If a single channel T1 mode is desired (i.e., second
channel is not used), it is recommended that both chan-
nels be set to the T1 rate.
LLOOP1: Writing a “1” enables local loopback #1,
as shown in the block diagram on the front page of the
data sheet.
LLOOP2: Writing a “1” enables local loopback #2,
as shown in the block diagram on the front page of the
data sheet.
RLOOP: Writing a “1” enables remote loopback
for this channel.
TAOS: Writing a “1” enables transmit all ones.
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相關代理商/技術參數(shù)
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