參數(shù)資料
型號： PCA1070T
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Multistandard programmable analog CMOS transmission IC
中文描述： SPECIALTY TELECOM CIRCUIT, PDSO24
文件頁數(shù)： 10/36頁
文件大?。?/td> 180K
代理商： PCA1070T
1997 Jun 20
10
Philips Semiconductors
Product specification
Multistandard programmable analog
CMOS transmission IC
PCA1070
I
2
C-BUS PROGRAMMING
Table 1
The following parameters (see Fig.1) can be programmed by means of a bit code via the I
2
C-bus:
Programmable parameters
Table 2
The following parameters (see also Fig.1) can be read as a bit code via the I
2
C-bus:
Readable parameters
I
2
C interface
The I
2
C-bus interface (see “The I
2
C-bus and how to use it”12NC: 9398 393 40011) is used to program the transmission
parameters and control functions.
Table 3
Device address
All functions can be accessed by writing an 8-bit word to the PCA1070. In order to set up the PCA1070, a control
message consisting of the device address, a R/W bit, a subaddress byte and one or more data bytes must be written to
the PCA1070. If more than one data byte follows the subaddress, these bytes are stored in the successive registers by
the automatic increment feature.
SYMBOL
PARAMETER
BLOCK
BITS
DESCRIPTION
VDCx
ZSAx
ZSBx
ZSPx
DST
PDx
DPI
RRG
HPL
RFC
ZOSAx
ZOSBx
ZOSPx
RM
GRAx
GMAx
SM
DLT
V
SLPE
line interface
line interface
line interface
line interface
line interface
power control
power control
power control
BTL receiving output
BTL receiving output
anti-sidetone
anti-sidetone
anti-sidetone
receiving mute
receiving prog-amp
sending prog-amp
sending mute
dynamic limiter
3
3
3
4
1
2
1
1
1
1
4
4
4
1
6
6
1
1
DC voltage SLPE-V
SS
R
a
of set impedance
R
b
of set impedance
f
p
(pole frequency) of set impedance
DC Start Time
Power-Down
Dial Pulse Input
Reset RinG detector
Hearing Protection Level
Resistive/Capacitive load
R
sa
of sidetone impedance
R
sb
of sidetone impedance
C
s
of sidetone impedance
Receiving Mute
Gain receiving prog-amp
Gain sending prog-amp
Sending Mute
Dynamic Limiter Threshold
set impedance
DST
PD
DPI
RRG
maximum receiving level
load select
sidetone impedance
receiving mute
gain G
ra
gain G
ma
sending mute
threshold
SYMBOL
PARAMETER
BLOCK
BITS
DESCRIPTION
PRES
LCx
PRES
line current
power control
gain control
1
5
PCA1070 Reset
Line Current
A6
A5
A4
A3
A2
A1
A0
R/W
0
1
0
0
0
1
0
X
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