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參數資料
| 型號： | PCD3330-1 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Multistandard repertory dialler/ringer with EEPROM |
| 中文描述： | 多標準匯編撥號器/帶有EEPROM鈴聲 |
| 文件頁數： | 22/32頁 |
| 文件大小： | 152K |
| 代理商： | PCD3330-1 |
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1997 Jan 15
22
Philips Semiconductors
Product specification
Multistandard repertory dialler/ringer with
EEPROM
PCD3330-1
5.7.5
R
INGER REPETITION RATE CHANGE DURING
CONVERSATION AND RINGER MODE
The generated melody is built up out of three frequencies.
These frequencies are generated successively in a
selected repeat frequency.
There are four steps and they can be changed:
Via the EEPROM programming procedure (See
Section 5.3.2)
During conversation mode, when the function keys
option is chosen, with a special key sequence
During active ringer by a simple key press.
In conversation mode the procedure is as follows:
Put the set in conversation (supply necessary)
Depress PR (ringer program key)
Press one of the four acceptable repeat frequency keys
(9,
, 0 or #) see Table 10.
Table 10
Ringer repetition rate selection, conversation
mode
KEY
FREQUENCY
(Hz)
TONE TIME
(ms)
9
0
#
7
11
15
20
47.6
30.3
22.2
16.6
The newly selected value is directly stored into EEPROM.
During active ringing the PR key is not used, the procedure
is as follows:
Active the ringer (only then this repetition rate correction
is possible)
Press one of the four acceptable repeat frequency keys
(9,
, 0 or #) see Table 11.
Table 11
Ringer repetition rate selection, active ringer
mode
The newly selected value is directly stored into EEPROM.
KEY
FREQUENCY
(Hz)
TONE TIME
(ms)
9
0
#
7
11
15
20
47.6
30.3
22.2
16.6
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