參數(shù)資料
型號(hào): T9000
英文描述: ISDN Network Termination Node (NTN) Device
中文描述: ISDN網(wǎng)絡(luò)終端節(jié)點(diǎn)(新界北)設(shè)備
文件頁數(shù): 106/126頁
文件大?。?/td> 2127K
代理商: T9000
106
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
ISDN Network Termination Node (NTN) Device
T9000
14 Comparators
(continued)
Table 112 shows the major characteristics of the comparators.
Table 112. Comparator Characteristics
14.1 Comparators Register Set
Table 113. CME: Comparator Enable (0x4C)
Table 114
.
CMT: Comparator Transition Polarity (0x4D)
Parameter
Conditions
0 < VCM < 3.2
VCM = 1, f = 10 kHz
VCM = 1, f = 10 kHz
VCM = 1, f = 10 kHz
Min
0
15
Nom
124
85
79
0.8
Max
3.2
15
1.5
3
Unit
V
mV
dB
dB
dB
mW
μ
W
Input Common Mode (VCM)
Input Offset Voltage
Gain
CMRR
PSRR
dc Power Dissipation
Standby Power Dissipation
Reg
CME
RESET
R/W
R/W
Default
Bit 7
0
Bit 6
CMV.2
Bit 5
CMV.1
Bit 4
CMV.0
Bit 3
0
Bit 2
CME.2
0
Bit 1
CME.1
0
Bit 0
CME.0
0
Bit #
7
6—4
Symbol
CMV.[2:0]
Name/Description
Reserved.
Program to 0.
Comparator [2:0] Value (Read-Only Field).
These status bits indicate the current state
of the corresponding comparator output.
Reserved.
Program to 0.
Comparator [2:0] Enable.
3
2—0
CME.[2:0]
0: Comparator disabled (powerdown mode).
1: Comparator active.
Note:
On powerdown, any pending interrupts are reset.
Reg
CMT
RESET
R/W
R/W
Default
Bit 7
0
Bit 6
CMV.2
Bit 5
CMV.1
Bit 4
CMV.0
Bit 3
0
Bit 2
CMT.2
1
Bit 1
CMT.1
1
Bit 0
CMT.0
1
Bit #
7
6—4
Symbol
CMV.[2:0]
Name/Description
Reserved.
Program to 0.
Comparator [2:0] Value (Read-Only Field).
These status bits indicate the current state
of the corresponding comparator output.
Reserved.
Program to 0.
Comparator [2:0] Transition Polarity.
3
2—0
CMT.[2:0]
0: Interrupt on 1-to-0 transition.
1: Interrupt on 0-to-1 transition.
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