参数资料
型号: LXT331PE
英文描述: LINE INTERFACE|CMOS|LDCC|44PIN|PLASTIC
中文描述: 线路接口|的CMOS | LDCC | 44PIN |塑料
文件页数: 15/32页
文件大小: 395K
代理商: LXT331PE
Dual T1/E1 Line Interface Unit
LXT331
Datasheet
15
Table 4. LXT331 Serial Data Output Bit Coding
Bit D5
Bit D6
Bit D7
Operating Modes
0
0
0
Reset has occurred, or no program input (i.e. normal operation).
0
0
1
TAOS active
0
1
0
ALOOP active
0
1
1
TAOS and ALOOP active
Bit D5
Bit D6
Bit D7
Interrupt Status
1
0
1
DFM has changed state since the last Clear DFM occurred
1
1
0
DPM has changed state since the last Clear DPM occurred
1
1
1
DPM and DFM have changed state since the last Clear DPM and DMF occurred
Figure 5. LXT331 SIO Write Operations
PS
n
SCLK
SDI
SDO*
Input
Data
Byte
D0
D1
D2
D3
D4
D5
D6
D7
R/W
A0
A1
A2
A3
A4
A5
A6
Address/Command Byte
Data Input/Output Byte
Address/
Command
Byte
* SDO - remains high
impedence
R/W = 1 : Read
R/W = 0 : Write
Set Operation Mode or Reset
0
R/W
0
1
X
A0
0
0
0
0
A6
X = Don
t Care
DPM
D0 (LSB)
1 = CLEAR
DFM
Clear/Mask Interrupt
1 = CLEAR
LEN0
LEN1
LEN2
TST
0 = Normal Ops
D7 (MSB)
TAOS
1 = ENABLE
ALOOP
1 = ENABLE
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