EV6240 Datasheet, PDF (26/47 Pages) CML Microcircuits – Opto-Isolated serial interface capability

Evaluation Kit for CMX624/CMX644A
EV6240
Reg Range
S10 1-255
Units
100ms
S-Register
Description
Lost carrier to hang up delay - Sets the
length of time that the modem waits before
hanging up after the loss of a carrier. This
allows the modem to distinguish between
disturbances that momentarily break the
connection and the remote modem hanging up.
S11 5-255
10ms
DTMF tone duration - Defines the duration of
DTMF tones for tone dialling. The length of
pause between each DTMF tone is the same as
this duration time.
S12 0-255
50ms Escape code guard time - Controls the time
required before typing escape sequence codes.
S14 0-255 Decimal General options - provides the following
functions:
Bit 0 - Reserved
Bit 1 - Echo command character, 0 Disables
echoing (ATE0), 1 Enables echoing (ATE1)
Bit 2 - Result code display, 0 Send responses
(ATQ0), 1 Do not send responses (ATQ1)
Bit 3 - Word or number responses, 0 Send
number responses (ATV0), 1 Send word
responses (ATV1)
Bit 4,5,6 - Reserved
Bit 7 - Answer/originate operation, 0 Answer
(ATA), 1 Originate (ATD)
S18 0-255
s
General Purpose Timer - Used for various
firmware functions.
Factory Profiles
‘0’
‘1’
7
7
10
20
20
20
138
128
5
5
26
© 1999 Consumer Microcircuits Limited
UM6240/3