AS2525B austriamicrosystems, AS2525B Datasheet - Page 8

• Manufacturer Part Number: AS2525B
• Description: IC, SINGLE CHIP HANDS FREE PHONE, TQFP44
• Manufacturer: austriamicrosystems

Specifications of AS2525B

• Audio Control Type: Volume
• Output Power: 500mW
• Control Interface: Serial
• Control / Process Application: Volume Control For Earpiece & Loudspeaker
• Supply Voltage Range: 3V To 5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Datasheet AS2525
Table 5: User programming with PIN code
Table 6: Mode programming
1
2
Revision 2.1
Also selectable with jumper (see application note AN525)
Only when DM/HM pin is set to HM
Function
Call Restriction 1
Call Restriction 2
Key Lock
Clear All Memories
Reset To Factory
Settings
Change PIN Code
Function
Select Flash
Select Dialing Mode
Select Pause Time
Easy Key Lock
Ringer Volume
Ringer Melody
LCD Contrast
Bell On/Off
2
1
Symbol
Symbol
CR1
CR2
PIN
DM
V
FL
P
33
Press [PG] to store setting and terminate procedure
Press [PG] to store setting and terminate procedure
[PG] + [2] +
[PG] + [4] +
Procedure
[PG] + [1] + (PIN) + [ ] + [1] +
[PG] + [1] + (PIN) + [ ] + [2] +
[PG] + [1] + (PIN) + [#] + [6] +
[PG] + [1] + (PIN) + [#] + [7] +
[PG] + [1] + (PIN) + [#] + [8] +
[PG] + [1] + (PIN) + [0] +
Procedure
[PG] + [3] +
[PG] + [5] + [3] + [9]
[PG] + [6] +
[PG] + [7] +
[PG] + [8] +
[PG] + [9] +
Options
[0] = Flash 1 and [1] = Flash 2
[0] = LD (pulse) and [1] = MF (DTMF)
[0] = Pause 1 and [1] = Pause 2
Toggles between locked and unlocked
[1] = -16 dB, [2] = -7 dB, and [3] = 0 dB (maximum)
[0], [1], [2], [3], or [4]
[1], [2], or [3] (see also AS2591 data sheet)
[0] = Off and [1] = On
Options
Key in two digits, use [MT] for blank
Key in two digits, use [MT] for blank
[0] = unlocked and [1] = locked
Press [1] to clear
Press [1] to reset
Key in new PIN + new PIN
austriamicrosystems
Page 8 of 27