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AS2525F 数据表(PDF) 7 Page - ams AG

部件名 AS2525F
功能描述  Single-Chip Handsfree Phone CMOS Integrated Circuit
PDF  27 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS2525F 数据表(HTML) 7 Page - ams AG

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Datasheet AS2525
austriamicrosystems
Revision 2.1
Page 7 of 27
Parameter
Symbol
Procedure:
[PG] + [0] + (Password) +
Default
Options
Flash 1 During LD
[#] + [
∗] +
[1] = on
[0] = off
Flash 2 During LD
[#] + [#] +
[0] = off
[1] = on
Extended LCD Symbols
[9] + [1] +
[0] = off
[1] = on
Tx Soft Clip, Handsfree
[9] + [2] +
[1] = on
[0] = off
Rx Soft Clip, Handsfree
[9] + [3] +
[1] = on
[0] = off
Voice Switching, Speed
[9] + [4] +
[1] = x 2
[0]=x1 (slow); [2]=x4; [3]=x8 (fast)
Handset/Headset Volume
[9] + [5] +
[1] = reset by
on/off-hook
[0] = setting is maintained
LCD Test
[9] + [6]
Turns on all segments, pressing any further key turns
on all digits “1” and all symbols off.
Temporary MF by * with
tone
[9] + [7] +
[0] = off
[1] = on
Key Lock Function
[9] + [8] +
[1] =
available
[0] = not available
Pin Select “DM/HM”
DM/HM
[9] + [9] +
[1] = MF/LD
[0] = Handset/Headset
Ringer Off Function
[9] + [0] +
[1] =
available
[0] = not available
Key Test
[9] + [
∗] +
Any key pressure turns the LED on
Volume Control on
Handset
[9] + [#] +
[1] = enabled
[0] = disabled
The above parameters are programmable using a password
(0123) through external EEPROM. All procedures must be
terminated by pressing the [PG] key. Software for factory
settings is available on request.
The programming of timings is done by using a HEX data
code as follows:
C4
C3
C2
C1
4
2
0
7
5
3
8
69
1
A (M1)
R1
R2
R3
B (M2) C (M3) D (M4)
E (M5) F (M6)
Figure 2: Keys for HEX-code entry
Data = 4096 - (fOSC / (512 * 12) * T
(T = Time; fOSC = 3.58 MHz)
Table 4: Timing selection by HEX code
Parameter
Default
HEX
Binary Data
Inter-digit pause
840 ms
E17
1111 0001 0111
Tone duration
82 ms
FD0
1111 1101 0000
Inter-tone pause
82 ms
FD0
1111 1101 0000
Flash 1
101 ms
FC4
1111 1100 0100
Flash 2
285 ms
F5A
1111 0101 1010
Pause 1
1 sec
DB9
1101 1011 1001
Pause 2
3 sec
92C
1001 0010 1100
Pre-digit pause
33 ms
FED
1111 1110 1101
Post-flash pause
274
F60
1111 0110 0000



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