SI2400-KS Silicon Laboratories Inc, SI2400-KS Datasheet - Page 41

• Manufacturer Part Number: SI2400-KS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc
• Type: Integrated Global DAAr

Specifications of SI2400-KS

• Package / Case: 16-SOIC (3.9mm Width)
• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 2.4k
• Interface: UART
• Voltage - Supply: 3 V ~ 5.25 V
• Mounting Type: Surface Mount
• 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 336-1166 - BOARD EVAL FOR SI2400 ISOMODEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 336-1093

Table 25 defines the relationship between SE5, SE6, and SE8.
DSP Reg. Addr.
0x00
0x01
0x02
0x02
SE8
0x000E
0x0024
0x0025
0x0026
0x0027
R/W
W
W
W
R
UDFSL Sensitivity setting for UDFD1–4 detectors,
CONL Carrier ON level. Carrier is valid once it
Name
COFL Carrier OFF level. Carrier is invalid once it
AONL Answer ON level. Answer tone is valid once it
AOFL Answer OFF level. Answer tone is invalid
DADH
Name
DSP3
DDH
default = –43 dBm
reaches this level.
falls below this level.
reaches this level.
once it fall below this level.
Table 24. Low-Level DSP Parameters (Continued)
DSP register address bits [15:8]
DSP register data bits [15:8]
7 = Enable squaring function.
6 = Call progress cascade disable.
5 = Reserved.
4 = User tone 3 and 4 reporting.
3 = User tone 1 and 2 reporting.
2 = V.23 tone reporting.
1 = Answer tone reporting.
0 = DTMF tone reporting.
Table 25. SE5, SE6, and SE8 Relationship
SE6
Description
Description
Rev. 1.3
Name
DADL
DSP1
DSP2
DDL
Sensitivity = 10log
4096) – 43 dBm
Level = 20log
43 dBm
Level = 20log
45.5 dBm
Level = 10log
43 dBm
Level = 10log
45.5 dBm
DSP register address bits [7:0]
DSP register data bits [7:0]
7 = DSP data available.
6 = Tone detected.
5 = Reserved.
4:0 = Tone type.
7 = Reserved.
6:3 = DTMF tone to transmit.
2:0 = Tone type.
Function
10
10
10
10
SE5
(2620/CONL) –
(3300/COFL) –
(AONL/107) –
(AOFL/58) –
Description
10
(UDFSL/
Si2400
Default
(dec)
4096
2620
3300
67
37
41