參數(shù)資料
型號: EM91810B
廠商: ELAN Microelctronics Corp .
英文描述: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
中文描述: 音頻/脈沖開關(guān)的撥號器與LCD接口
文件頁數(shù): 1/18頁
文件大?。?/td> 172K
代理商: EM91810B
1
EM91810A/B
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
* This specification are subject to be changed without notice.
10.1.1997
GENERAL DESCRIPTION
The EM91810A/B are Tone/Pulse switchable dialer which are fabricated in CMOS technology with wide
operating voltage for both tone and pulse mode, and consumes very low memory retention current in ON-HOOK
state. EM91810A/B also provide SDO (serial data output) function to drive LCD driver (EM32100, EM32116,
EM32117) and voice synthesizer.
FEATURES
Tone/pulse switchable dialer.
One 32-digit last number redial memory.
Pulse to tone (P
T) is provided for PBX operation.
Flash key is available.
Minimum tone duration is 98ms or 83ms.
Minimum intertone pause is 98ms or 83ms.
Uses 3.579545 MHz crystal or ceramic resonator.
Many options can be selected.
Mode (10 PPS ; 20 PPS ; Tone)
M/B ratio (40 : 60 ; 33 : 66)
Pause time (3.6s)
Flash function (RESET)
P
T pause time (3.6s)
Flash time (600ms; 300ms; 100ms; or 80ms).
Mixed dialing.
Handfree function is provided for speaker phone application.
Power on reset circuit is provided.
Package in DIP18 or DIP20.
SDO function that is supported to drive LCD driver (EM32100) and voice synthesizer to indicate dialing
number.
Key tone function is provided.
PIN ASSIGNMENTS
C2
C3
C4
C1
OSCI
OSCO
XMUTE
SDO
EM91810A
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
9
R3
R2
R1
R4
TONE
PO
HKS
V
KT
DD
SS
V
C2
C3
C4
C1
OSCI
OSCO
XMUTE
HFI
SDO
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
EM91810B
SS
V
DD
R3
R2
R1
R4
TONE
PO
HKS
V
HFO
KT
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EM91850 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL FUNCTION
EM91865 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL FUNCTION
EM91865A 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL FUNCTION
EM91865A/B 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer
EM91865B 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL FUNCTION