EV6240 Datasheet, PDF (25/47 Pages) CML Microcircuits – Opto-Isolated serial interface capability

Evaluation Kit for CMX624/CMX644A
EV6240
S-Registers
The following table gives a brief description of the available S-registers and their functions. Register range,
units and factory profiles are also listed.
Reg Range Units
S- Register
Description
S0 0-255 Rings Automatic answer - The number of rings until
automatic answer. If the register is set to zero,
modem does not answer.
Factory Profiles
‘0’
‘1’
(Default at
Power up)
0
5
S1 0-255 Rings Count incoming rings - This register is read
0
0
only and contains the number of rings detected
by the modem.
S2 0-127 ASCII Escape character value - This register defines
43
43
Decimal an ASCII decimal value of the escape character.
The default setting is an ASCII + and the escape
sequence is +++. A value over 127 disables the
escape sequence.
S3 0-127 ASCII Carriage return character - Contains the ASCII
13
13
Decimal decimal value of the character used to send a
carriage return. This character ends both
commands and result codes.
S4 0-127 ASCII Line feed character - Contains the ASCII
10
10
Decimal decimal value of the character used to send a
line feed. The modem sends the line feed
character after a carriage return only when word
responses are sent.
S6 2-255
s
Wait time for blind dialling - Sets the length of
2
2
time to pause after the modem goes off the
hook before the modem dials the first digit of the
telephone number.
S7 1-255
s
Wait for carrier after dial - Sets the length of
50
50
time the modem waits for a carrier before
returning on-hook.
25
© 1999 Consumer Microcircuits Limited
UM6240/3