as2578 austriamicrosystems, as2578 Datasheet - Page 7

• Manufacturer Part Number: as2578
• Description: Telephone Controller With 13 Memories And 2-wire Bus
• Manufacturer: austriamicrosystems

Data Sheet
LM Codes and Pin Options
Rev. 3
Note 1: Programming an LM code overwrites pin options, however, LM code 033 can only be selected when the MODE
Note 2: When the AP pin is pulled low during execution of a pause, the pause will be terminated.
Note 3: AP pin option not available on AS2578B.
LM code
02-2*
5 - 4*
6 - 2*
033*
033*
02-3
5 - 3
5 - 2
6 - 1
6 - 3
6 - 4
036
037
250
258
5 -1
-
-
pin is connected to either high or low for selecting the make/break ratio. Not valid LM codes are ignored. LM
codes with a '*' are default settings.
MODE = Hi-Z
MODE = H
MODE = L
MV = Hi-Z
Pin option
AP = Hi-Z
RR = Hi-Z
MV = R3
MV = R2
MV = R1
RR = C1
RR = C2
RR = C3
AP = H
AP = L
-
-
-
-
Function
Automatic pause insertion: off
Automatic pause insertion: on
Automatic pause insertion: off
LD mode 40/60
LD mode 33/66
MF mode
MF mode
MF mode
Resets all user settings to default and clears all RAM contents
Clears all RAM contents
Melody volume:
Melody volume:
Melody volume:
Melody volume:
Repetition rate:
Repetition rate:
Repetition rate:
Repetition rate:
7
0 dB
- 5.5 dB
- 11.5 dB
- 17.5 dB
1 time
4 times
7 times
10 times
GL
GL
GL
Flash
GL + Flash
Sliding cursor: off
Sliding cursor: off
Sliding cursor: on
(50 ms pause)
MF select 1
MF select 1
MF select 2
AS2578 /B
March 1997