SI2400-KSR Silicon Laboratories Inc, SI2400-KSR Datasheet - Page 68

• Manufacturer Part Number: SI2400-KSR
• Description: Telecom Line Management ICs 2400b/s System Side
• Manufacturer: Silicon Laboratories Inc
• Type: Integrated Global DAAr

Specifications of SI2400-KSR

• Product: Modem Chip
• Supply Voltage (min): 3 V
• Supply Current: 21 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si2400
SE5 (DSP1). (SE8 = 0x02) Read Only Definition
Reset settings = 0000_0000
68
Notes:
Name
Type
Bit
4:0
Bit
7
6
5
1. SE6[0] (DTMFE) SE8
2. SE6[1] (ANSE) SE8
3. SE6[2] (V23E) SE8
4. SE6[3] (USEN1) SE8
5. SE6[4] (USEN2) SE8
Reserved
DDAV
TONE
D7
Name
DDAV
TDET
R
TDET
D6
R
DSP Data Available.
Tone Detected.
Indicates a TONE (any of type 0–25 below) has been detected.
0 = Not detected.
1 = Detected.
Read returns zero.
Tone Type Detected.
When TDET goes high, TONE indicates which tone has been detected from the following:
TONE
00000–01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
=
=
=
=
0x02.
=
0x02.
b
0x02.
0x02.
0x02.
(0x00)
D5
Tone Type
DTMF 0–15 (DTMFE = 1)
Answer tone detected 2100 Hz (ANSE = 1)
Bell 103 answer tone detected 2225 Hz (ANSE = 1)
V.23 forward channel mark 1300 Hz (V23E = 1)
V.23 backward channel mark 390 Hz (V23E = 1)
User defined frequency 1 (USEN1 = 1)
User defined frequency 2 (USEN1 = 1)
Call progress filter A detected
User defined frequency 3 (USEN2 = 1)
User defined frequency 4 (USEN2 = 1)
Call progress filter B detected
D4
D3
Rev. 1.3
TONE
D2
R
Function
1
See Table 23 on page 39
D1
4
5
D0
2
3
Priority
1
2
2
3
3
4
4
6
5
5
6