PSB4860HV4.1 Lantiq, PSB4860HV4.1 Datasheet - Page 57

• Manufacturer Part Number: PSB4860HV4.1
• Manufacturer: Lantiq

Specifications of PSB4860HV4.1

• Lead Free Status / Rohs Status: Supplier Unconfirmed

2.1.11
The caller ID sender is a 1200 baud modem (FSK, modulation only). The byte data
stream is formatted by a UART and then modulated (figure 31).
Figure 31 Caller ID Sender - Block Diagram
The FSK modulator supports two modes according to table 27.
Table 27
The CID sender can send a programmable number of seizure bits, followed by an also
programmable number of mark bits prior to the first data byte. The sender starts
transmission once it is enabled. The status byte of the is updated (table 28).
Table 28
Register # of Bits
STATUS 1
STATUS 1
Bit CIR is set, when a new byte for transmission can be written to CISDATA:DATA. If no
new data byte has been written in time (i.e. at the beginning of the next start bit) then the
caller ID sender automatically sends stop bits and sets the status bit CIS. CIS and CIR
are cleared when the unit is disabled or the data register CISDATA is written.
Table 29
Register
CISCTL
CISCTL
Data Sheet
Mode
1
2
Mark
1200
1300
Caller ID Sender
Caller ID Sender Modes
(Hz)
Caller ID Sender Status
Caller ID Sender Registers
# of Bits Name
1
1
SCI
Space
2200
2100
Name
CIR
CIS
(Hz)
EN
MD
UART
Comment
Bellcore
V.23
Comment
CID byte request
Stop bits are sent
Comment
Unit enable
Modulation mode
57
(Bellcore, V.23)
FSK mod.
S
22
PSB 4860
2000-01-14