STLC5048 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
STLC5048 Datasheet PDF : 45 Pages
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STLC5048
SLIC Line Current Limit reg (ILIM)
Addr=2Dh; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
0
1
0
1
1
0
1
0
0
0
D4
D3
D2
D1
D0
D4..0 = 0: Programmed value is 53
D4..0 = 1: Programmed value is 2
The step is 1.6 mA
This register allows to program a line current limitation from 2 to 53mA with a step equal to 1.6mA. These values
can be obtained using an external 15KOhm resistor in kit with STLC3080.
SLIC Off-Hook threshold register (ITH)
Addr=2Eh; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
0
1
0
1
1
1
0
0
0
0
En
D3
D2
D1
D0
D3..0 = 0: Programmed value is 16 mA
D3..0 = 1: Programmed value is 1 mA
The step is equal to 1 mA.
En = 1 The DC SLIC programmability block is enabled (ITH and ILIM)
En = 0 The DC SLIC programmability block is disabled (ITH and ILIM)
This register allows to program a threshold value from 1 to 16 mA with a step equal to 1mA. These values can
be obtained using an external 12.5KOhm resistor in kit with STLC3080.
PCM Shift Register (PCMSH)
Addr=50h; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
1
0
1
0
0
0
0
XS2
XS1
XS0
RS2
RS1
RS0
XS2..0:Effective start of the TX frame is the programmed values of clock pulses (0 to 7) after the FS rising edge.
RS2..0:Effective start of the RX frame is the programmed values of clock pulses (0 to 7) after the FS rising edge.
PCM Command register (PCMCOM)
Addr=51h; Reset Value=00h
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
1
0
1
0
0
0
1
RR
WR
PC1
PC0
TE
RPAB
TPB
TPA
22/45
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