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參數(shù)資料
| 型號： | KS8630D |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | ENHANCED CALLING LINE IDENTIFIER WITH CALL WAITING |
| 中文描述： | 增強電話線呼叫等待標識符 |
| 文件頁數(shù)： | 7/23頁 |
| 文件大?。?/td> | 258K |
| 代理商： | KS8630D |
ENHANCED CALLING LINE IDENTIFIER WITH CALL WAITING
KS8630D
7
PRELIMINARY
GENERAL DESCRIPTION
KS8630D is suitable for use in both system to British Telecom specificatios and BELLCORE specifications.
KS8630D to be used in different systems, the predetermined signals must be applied to the PD (pin#8) and the
OFFHOOK ( pin#12), which are defined by the application circuits or the microcontroller.
All detection modes related to the PD pin and the OFFHOOK pin are listed below:
NOTES:
1.
If a false reponse (talk-off) occurs or microcontroller receives FSK data, microcontroller should send low edge pulse
(with 10us duration timming approximately) to the PD pin.
Then, KS8630D will be re-initialized to the dual tone(CAS) detection mode.
2.
If KS8630D is used in the BELLCORE system, a pull-up resistor should be inserted between the PD pin and V
DD
.
3.
If KS8630D is used in the BT system, a pull-up resistor should be inserted between the PD pin and V
DD
.
In this case, a resistor should be inserted between KS8630D
’
s PD pin and microcontroller
’
s PD related pin.
Then, the voltage level of
KS8630D
’
s PD pin
will be 1/3*V
DD
when microcontroller's PD related pin set to low state.
PD
OFFHOOK
DETECTION MODE (Note1)
REMARK
L
L
FSK Demodulation
BELLCORE
SYSTEM
(Note2)
L
H
Dual Tone Detection
→
FSK Demodulation
1/3 * V
DD
L
Dual Tone Detection
→
FSK Demodulation
BT SYSTEM
(Note3)
1/3 * V
DD
H
Dual Tone Detection
→
FSK Demodulation
H
L
Ringing or Line reversal Detection
H
H
Table 1. A Status of each detection mode
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| KS86C0104 | 8-Bit CMOS Microcontroller(8位微控制器) |
| KS86C0004 | 8-Bit CMOS Microcontroller(8位微控制器) |
| KS86P0004 | 8-Bit CMOS Microcontroller(8位微控制器) |
| KS86P0104 | 8-Bit CMOS Microcontroller(8位微控制器) |
| KS86C6004 | 8-Bit CMOS Microcontroller(8位微控制器) |
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