SI2400-KS Silicon Laboratories Inc, SI2400-KS Datasheet - Page 45

• 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

Notes:
Register
S2C
S2D
1. These registers are explained in detail in the following section.
2. The ring detector will only detect ringing if the ring burst on/off times meet the settings in MNRP, MXRP, MNRU, ROT,
S26
S27
S28
S29
S2A
S2B
S2E
S2F
“S”
and REP.
Register
Address
(hex)
0x2C
0x2D
0x29
0x2A
0x2B
0x2E
0x2F
0x26
0x27
0x28
VTSOH V.22bis 2400 bps scrambled ones length high. Minimum length
VTSOL
Name
VTSO
DTTO
RTCT
RSO
FCD
SDL
DTL
IS
Table 27. S-Register Summary (Continued)
Function
V.22bis 1200 bps scrambled ones length. Minimum length of
time for transmission of 1200 bps scrambled binary ones by a
call mode V.22bis modem after the end of pattern S1 detection
(53.3 ms).
V.22bis 2400 bps scrambled ones length low. Minimum length of
time for transmission of 2400 bps scrambled binary ones by a
call mode V.22bis modem (5/3 ms units).
of time for transmission of 2400 bps scrambled binary ones by a
call mode V.22bis modem (256 5/3 ms units added to the time
specified by VTSOL).
Intrusion suspend. When S82[2:1] (IB) = 10
the length of time from when dialing begins that the off-hook
intrusion algorithm is blocked (suspended) (500 ms units).
Receive scrambled ones V.22bis (2400 bps) length.
Minimum length of time required for detection of scrambled
binary ones during V.22bis handshaking by the answering
modem after S1 pattern conclusion (5/3 ms units).
V.23 direct turnaround carrier length. Minimum length of time that
a master mode V.23 modem must detect carrier when searching
for a direct turnaround sequence (5/3 ms units). In the !7 alarm
mode, this register functions as pulse on time.
V.23 direct turnaround timeout. Length of time that the modem
searches for a direct turnaround carrier (5/3 ms units added to a
minimum time of 426.66 ms). In the !7 alarm mode, this register
functions as pulse off time.
V.23 slave carrier detect loss. Minimum length of time that a
slave mode V.23 modem must lose carrier before searching
for a reverse turnaround sequence (5/3 ms units). In the !7
alarm mode, this register functions as pulse interdigit time
(10 ms units).
V.23 reverse turnaround carrier timeout. Amount of time a slave
mode V.23 modem will search for carriers during potential
reverse turnaround sequences (5/3 ms units). In the !7 alarm
mode, this register functions as Handshake End to TX Data
delay (10 ms units).
FSK connection delay low. Amount of time delay added
between end of answer tone handshake and actual modem
connection for FSK modem connections (5/3 ms units).
Rev. 1.3
b
, this register sets
Si2400
Reset
0x0C
0xD2
0x0C
0x3C
0x78
0x08
0x00
0x18
0x08
0x84
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