CMX850 查看數據表（PDF） - CML Microsystems Plc
零件编号
产品描述 (功能)
比赛名单
CMX850 Datasheet PDF : 103 Pages
| |||
Communications Controller
CMX850
Package
L8
90
91
92
93
94
Signal
PHONETXN
PHONETXP
LINETXN
LINETXP
AVDD
95
HT
O/P
O/P
O/P
O/P
Power
BI
96
HD
97
DVSS
98
RDRVN
99
RD
100
RT
I/P
Power
O/P
I/P
BI
Notes: I/P
= Input
O/P = Output
BI
= Bi-directional
Description
The inverted output of the Phone Tx Output Driver.
The non-inverted output of the Phone Tx Output Driver.
The inverted output of the Line Tx Output Driver.
The non-inverted output of the Line Tx Output Driver.
The analogue positive supply rail. Levels and thresholds within
the modem are proportional to this voltage.
Open drain output and Schmitt trigger input forming part of the
Hook signal detector. Connect to DVDD if Hook Detector not
used.
Schmitt trigger input to the Hook signal detector. Connect to
DVSS if Hook Detector not used.
The digital negative supply rail (ground).
Relay drive output, low resistance pull down to DVSS when
active, medium resistance pull up to DVDD when inactive.
Schmitt trigger input to the Ring signal detector. Connect to
DVSS if Ring Detector not used.
Open drain output and Schmitt trigger input forming part of the
Ring signal detector. Connect to DVDD if Ring Detector not
used.
© 2003 CML Microsystems Plc
9
D/850/6
Share Link: 