SI3215-FT Silicon Laboratories Inc, SI3215-FT Datasheet - Page 59

• Manufacturer Part Number: SI3215-FT
• Description: IC SLIC/CODEC 1CH 38TSSOP
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3215-FT

• Function: Subscriber Line Interface Concept (SLIC), CODEC
• Interface: PCM, SPI
• Number Of Circuits: 1
• Voltage - Supply: 3.13 V ~ 5.25 V
• Current - Supply: 88mA
• Power (watts): 700mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Audio Tone Generation, BORSCHT Functions, FSK Generation, Voice Loopback Test Modes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register 10. Two-Wire Impedance Synthesis Control
Reset settings = 0000_1000
Name
Type
Bit
7:6
5:4
2:0
Bit
3
Reserved
TISS[2:0]
CLC[1:0]
Name
TISE
D7
Read returns zero.
Line Capacitance Compensation.
00 = Off
01 = 4.7 nF
10 = 10 nF
11 = Reserved
Two-Wire Impedance Synthesis Enable.
0 = Two-wire impedance synthesis disabled.
1 = Two-wire impedance synthesis enabled.
Two-Wire Impedance Synthesis Selection.
000 = 600 Ω
001 = 900 Ω
010 = Japan (600 Ω + 1 µF); requires external resistor R
011 = 900 Ω + 2.16 µF; requires external resistor R
100 = CTR21 270 Ω + (750 Ω || 150 nF)
101 = Australia/New Zealand 220 Ω + (820 Ω || 120 nF)
110 = Slovakia/Slovenia/South Africa 220 Ω + (820 Ω || 115 nF)
111 = China 200 Ω + (680 Ω || 100 nF)
D6
D5
CLC[1:0]
R/W
D4
Rev. 0.92
TISE
R/W
D3
Function
D2
ZREF
ZREF
= 18 k Ω and C3, C4 = 220 nF.
TISS[2:0]
R/W
D1
= 12 k Ω and C3, C4 = 100 nF.
D0
Si3215
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