|
|
Numéro de référence | EM91810A | ||
Description | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE | ||
Fabricant | ELAN Microelectronics Corp | ||
Logo | |||
EME9M198118010AA//BB
TONE/PULTSOENSEW/PUITLECSHSAWBITLCEHDABIALELEDRIALWEIRTWHITLHCDLCIDNITNETRERFFAACCEE
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
EM91810A
C2
C3
C4
C1
OSCI
OSCO
XMUTE
VSS
SDO
1
2
3
4
5
6
7
8
9
18 R3
17 R2
16 R1
15 R4
14 TONE
13 PO
12 HKS
11 VDD
10 KT
EM91810B
C2
C3
C4
C1
OSCI
OSCO
XMUTE
V SS
HFI
SDO
1
2
3
4
5
6
7
8
9
10
20 R3
19 R2
18 R1
17 R4
16 TONE
15 PO
14 HKS
13 VDD
12 HFO
11 KT
* This specification are subject to be changed without notice.
10.1.1997 1
|
|||
Pages | Pages 18 | ||
Télécharger | [ EM91810A ] |
No | Description détaillée | Fabricant |
EM91810A | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE | ELAN Microelectronics Corp |
EM91810B | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE | ELAN Microelectronics Corp |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
www.DataSheetWiki.com | 2020 | Contactez-nous | Recherche |