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參數(shù)資料
| 型號： | AS2525 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Single-Chip Handsfree Phone CMOS Integrated Circuit |
| 中文描述： | TELEPHONE MULTIFUNCTION CKT, PQFP44 |
| 封裝： | TQFP-44 |
| 文件頁數(shù)： | 15/26頁 |
| 文件大?。?/td> | 264K |
| 代理商： | AS2525 |
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Preliminary
AS2525
Rev. 1.3
Page 15
May 1999
Dial Mode Selection
The default signalling mode (LD or MF) is selectable
through following procedure:
1. Press
[PG]
to enter programme mode
2. Press
[3]
to enter dial select mode
3. Press
[0]
for LD and
[1]
for MF
4. Press
[PG]
(= store and exit) or go on-
hook to abort
When default LD mode is selected, a temporary
change to MF can be invoked by pressing the
[
]
key. Temporary MF select with tone on first key
pressure can be selected as option (see also Table
3: Parameter settings). The circuit will revert to LD by
pressing the
[FL]
key or by next on-hook.
Re-Dialling (Last Number Redial)
Re-dialling is a facility that allows re-signalling of the
last dialled number without keying in all the digits
again. Numbers dialled out from any memory will
also be stored in the LNR memory. The re-dialling
works in following manner:
Any digit (including Flash, Pause, and MF select)
being dialled is storable in the LNR memory up to
a total of 31 digits.
If more than 31 digits are entered, re-dialling will
be inhibited.
Pressing the
[R/P]
key as first entry after off-hook
(LNR cursor at first digit) will invoke dialling the
content of the LNR memory.
If the
[R/P]
key is pressed after entering one or
more digits, the key will function as a pause key
and each pressure will insert a pause.
Pauses can also be inserted by pressing the
[R/P]
key in programme mode.
Flash Function
A flash,
[FL]
key, activation will invoke a timed loop
break. The flash duration can be programmed
through set-up (see Figure 5: Keys for HEX-code
entry and Table 4: Timing selection by HEX code):
Table 22: Flash duration setting
[PG] + [0] + (Password) + [
] + (digit) + (HEX) + [PG]
Digit
Timing
Flash Duration
[4]
HEX code
Flash 1
[5]
HEX code
Flash 2
One of two pre-programmed can be selected as
follows:
1. Press
[PG]
to enter programme mode
2. Press
[2]
to enter flash select mode
3. Press
[0]
for duration 1 and
[1]
for
duration 2
4. Press
[PG]
(= store and exit) or go on-
hook to abort
A flash entered will be stored in the LNR memory
together with entered digits. After a recall a 270 ms
pause will automatically be executed.
Pauses
Pauses can be inserted if the
[R/P]
key is pressed
after entering one or more digits. Also during
programming, pauses can be inserted by pressing
the
[R/P]
key. Default pause duration is 1 second
(P1) and an alternative pause of 3 second (P2) can
be selected. These pauses can be changed through
the set-up programming (see Table 3: Parameter
settings)
Memory Keys
The keys
[M1]
to
[M8]
are direct memory access
keys,
[SH]
key is used to access second level of
direct memories, and the
[MR)
key is used for key-
code dialling. Up to 26 numbers can be stored in the
on-chip RAM. Each number can contain up to 21
digits (including pauses).
During programming multiple pauses can be inserted
by pressing the
[RD]
key.
Example (45678P123 is stored in M1, where P is a
pause and 123 the extension number):
1. Off-hook, wait for dial tone
2. Press
[M1]
45678 is dialled out
Dialling halts (pauses)
Dialling is resumed, 123 is dialled out.
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| AS2535 | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2535P | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2535T | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2536 | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS2525 DB | 功能描述:AS2525 - Telecom Evaluation Board 制造商:ams 系列:- 零件狀態(tài):停產(chǎn) 主要用途:電信 嵌入式:- 使用的 IC/零件:AS2525 主要屬性:- 輔助屬性:- 所含物品:板 標(biāo)準(zhǔn)包裝:1 |
| AS2525_1 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Single-Chip Handsfree Phone CMOS Integrated Circuit |
| AS2525B | 功能描述:電信線路管理 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| AS2525B-T | 功能描述:IC HANDSFREE TELEPH CMOS 44-TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時(shí)間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| AS2525-DB | 制造商:AMS 功能描述:BOARD DEMO FOR AS2525 制造商:ams 功能描述:AS2525 Demo Board |
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