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STLC5046 数据表(PDF) 14 Page - STMicroelectronics

部件名 STLC5046
功能描述  PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER
PDF  27 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STLC5046 数据表(HTML) 14 Page - STMicroelectronics

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20log[0.25+0.75*(progr.value/256)]
Pin strap values:
GR2=1: -0.8dB gain (value = E2h):
111
00
01
0
GR2=0: -2.36dB gain (value = AFh):
101
01
11
1
Overall gain including also RXG:
GR2 = 1:-0.8dB; GR2 = 0: -4.3dB
Receive Gain channel #3 (GRX3)
Addr=12h; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
00h:Stop any received signal, AGND level is
forced on the VFRO3 analog output.
>00h:Digital gain is inserted in the TX path equal to:
20log[0.25+0.75*(progr.value/256)]
Pin strap values:
GR3=1: -0.8dB gain (value = E2h):
111
00
01
0
GX3=0: -4.3dB gain (value = AFh):
101
01
11
1
Overall gain including also RXG:
GR3 = 1:-0.8dB; GR3 = 0: -4.3dB
Transmit Time Slot channel #0 (DXA0)
Addr=13h; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EN0
T06
T05
T04
T03
T02
T01
T00
EN0=0:
Selected transmit time slot on DX output
is in H.I.
EN0=1:
Selected transmit time slot on DX output
is active carrying out the PCM encoded
signal of VFXI0.
T06..0:
Define time slot number (0 to 127) on
which PCM encoded signal of VFXI0 is
carried out.
If linear mode is selected (LIN=1 of CONF regis-
ter) the 16 bits will be carried out as follows: the 8
most significative bits in the programmed time
slot, the 8 least significative bits in the following
timeslot.
Example: if T06..T00=00:
TS0
TS1
15 14 13 12 11 10 9
87654
32
10
Pin strap value (value 80h):
100
0
0
000
Referred to FS0.
Transmit Time Slot channel#1 (DXA1)
Addr=14h; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EN1
T16
T15
T14
T13
T12
T11
T10
EN1=0:
Selected transmit time slot on DX output
is in H.I.
EN1=1:
Selected transmit time slot on DX output
is active carrying out the PCM encoded
signal of VFXI1.
T16..0:Define time slot number (0 to 127) on
which PCM encoded signal of VFXI1 is carried
out.
If linear mode is selected (LIN=1 of CONF regis-
ter) the 16 bits will be carried out as follows: the 8
most significative bits in the programmed time
slot, the 8 least significative bits in the following
timeslot.
Example: if T16..T10=00:
TS0
TS1
15 14 13 12 11 10 9
87654
32
10
Pin strap value (value=80h)
100
0
0
000
Referred to FS1.
Transmit Time Slot channel #2 (DXA2)
Addr=15h; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EN2
T26
T25
T24
T23
T22
T21
T20
EN2=0:
Selected transmit time slot on DX output
is in H.I.
EN2=1:
Selected transmit time slot on DX output
is active carrying out the PCM encoded
signal of VFXI2.
T26..0:Define time slot number (0 to 127) on
which PCM encoded signal of VFXI2 is carried
out.
If linear mode is selected (LIN=1 of CONF regis-
STLC5046
14/27



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