ml7005mb Oki Semiconductor, ml7005mb Datasheet

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ml7005mb

Manufacturer Part Number
ml7005mb
Description
Dtmf Transceiver Ml7005dtmf Transceiver
Manufacturer
Oki Semiconductor
Datasheet

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Part Number:
ml7005mbZ020
Manufacturer:
OKI
Quantity:
20 000
E2A0050-29-81
¡ Semiconductor
¡ Semiconductor
ML7005
DTMF Transceiver
GENERAL DESCRIPTION
The ML7005 is a multi-functional DTMF transceiver LSI with built-in a DTMF signal generator,
a DTMF signal receiver, a call progress tone generator, a call progress tone detector, and a FAX
(FX) signal detector.
Each functional block can be controlled by an external MCU via a 4-bit processor interface.
The ML7005 does not contains a modem. However, the DTMF system data transmission is
possible at less than 66 bps by setting the DTMF receiver to the high-speed detection mode.
The ML7005 operates with low-power consumption and is suitable for remote control systems,
especially for ACR (Automatic Cost Routing) controllers.
FEATURES
• Wide range of power supply voltage : +2.7 V to +5.5 V
• Low power consumption
• The 4-bit processor interface supports both the Intel processor mode in which a read signal and
• The DTMF receiver can select either the high-speed detection mode (signal repeat time: more
• Built-in call progress tone generator
• Built-in FAX signal (FX: 1300 Hz) detector
• The DTMF signal generator, DTMF signal detector, call progress tone generator, and call
• Built-in 3.579545 MHz crystal oscillator circuit
• Package :
Operating mode
Operating mode
Power down mode : 1 mA Typ.
32-pin plastic SSOP (SSOP32-P-430-1.00-K) (Product name: ML7005MB)
a write signal are used independently of each other, and the Motorola processor mode in which
a read signal and a write signal are used in common.
than 60 ms) or the normal detection mode (signal repeat time: more than 90 ms).
progress tone detector can operate concurrently.
: 4.0 mA (V
: 5.0 mA (V
DD
DD
= 3 V) Typ.
= 5 V) Typ.
Previous version: May 1999
This version: Aug. 1999
ML7005
1/24

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ml7005mb Summary of contents

Page 1

... The DTMF signal generator, DTMF signal detector, call progress tone generator, and call progress tone detector can operate concurrently. • Built-in 3.579545 MHz crystal oscillator circuit • Package : 32-pin plastic SSOP (SSOP32-P-430-1.00-K) (Product name: ML7005MB Typ Typ. ...

Page 2

Semiconductor BLOCK DIAGRAM – PRE FXDIM + FXDIO + PRE CPDIP – CPDIM CPDIO + PRE DTRIP – DTRIM DTRIO DTGO – DTAI + DTAO CPTGO – CPAI + CPAO SG SG Generator V DD GND FX LPF Detector ...

Page 3

Semiconductor PIN CONFIGURATION (TOP VIEW) DTRIO 1  DTRIM 2 DTRIP CPAO 5 CPAI 6 CPTGO 7 PTYPE CLKO 13 READ ALE 16 ...

Page 4

Semiconductor PIN DESCRIPTION Pin Symbol Type 1 DTRIO O Output pin for DTMF signal receiver input amplifier. See the figure 8 for adjusting the receive signal level. See the figure 10 when the DTMF signal receiver is not used. ...

Page 5

Semiconductor Pin Symbol Type READ 14 I Input pin for processor interface. When PTYPE is "1" (Intel processor mode) : This pin is the read control input pin. When this pin is set to "0", data in the specified ...

Page 6

Semiconductor Pin Symbol Type 25 DTAI I Inverting input pin for operational amplifier used for adjusting the transmit output level of the DTMF signal generator. The non-inverting input of this amplifier is internally connected to SG. See the figure ...

Page 7

Semiconductor ABSOLUTE MAXIMUM RATINGS Parameter Symbol Power Supply Voltage Input Voltage Storage Temperature Output Short Current Power Dissipation RECOMMENDED OPERATING CONDITIONS Parameter Symbol Power supply voltage Operating Temperature Range Input Clock Frequency Deviation Input Clock duty DUTY X1, X2 ...

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Semiconductor ELECTRICAL CHARACTERISTICS DC and Digital Interface Characteristics Parameter Symbol Condition or Applicable pin Power Supply Current Digital Input Voltage Digital Input Current Digital Output Voltage V V Analog Input Resistance Analog Output DC Potential Analog Output Load Resistance ...

Page 9

Semiconductor AC Characteristics 2 Call Progress Tone (CPT) Generator Parameter Symbol Tone Transmit Amplitude Output Frequency Total Harmonic Distortion THD AC Characteristics 3 Call Progress Tone (CPT) Detector Parameter Symbol CPT Detect Amplitude V CPT Non-detect Amplitude V Time ...

Page 10

Semiconductor AC Characteristics 4 FAX Signal (FX) Detector Parameter Symbol FX Detect Amplitude V FX Non-detect Amplitude V Time to Detect t Time to Reject t FX Detect Delay Time t FX Detect Hold Time t FX Detect Frequency ...

Page 11

Semiconductor AC Characteristics 5 DTMF Receiver Parameter Symbol V DTMF Detect Amplitude V DTMF Non-detect Amplitude V Detect Frequency f Non-detect Frequency f Level Twist V Noise to Signal Ratio Dial Tone Rejection Ratio V t CYCDT0 Signal Repetition ...

Page 12

Semiconductor Timing When DTMF is received t REJDT AIN Signal DTMF Receive Data SP Figure 3 Timing When DTMF is Received t : Time to Detect DETDT When Time to Detect is the specified value of t normally received. ...

Page 13

Semiconductor Processor Interface Charactceristics (Intel Processor Mode) Parameter Symbol Address Data Setup Time Address Data Hold Time ALE Signal Time Chip Select Setup Time before Read Chip Select Hold Time after Read READ Data Output Delay Time Data Float ...

Page 14

Semiconductor Processor Interface Characteristics (Motorola Processor Mode) Parameter Symbol READ Signal Period READ Signal Pulse Width SETUP Time ALE HOLD Time SETUP Time CS HOLD Time SETUP Time WR HOLD Time SETUP Time (Write) HOLD Time ...

Page 15

Semiconductor REGISTER DESCRIPTION Register Interface Description The ML7005 contains a 4-bit DTMF transmit data register (DTMFT), a 4-bit DTMF receive data register (DTMFR), a 4-bit control register (CR), and a 4-bit status register (STR). The DTMFT and CR registers ...

Page 16

Semiconductor DTMFT and DTMFR Registers 16 kinds of DTMF transmit signals can be determined by setting the DTMFT register. 16 kinds of DTMF receive signals can be monitored from the DTMFR register. The table 3 shows the DTMF signal ...

Page 17

Semiconductor Control Register CPGC DTTIM Bit No. Name D3 CPGC This bit is used to control the ON/OFF of call progress tone transmitting. "0" : The GPTGO output is OFF and the SG level is output. ...

Page 18

Semiconductor Status Register STR FXDR Bit No. Name SP D3 This bit is used to indicate whether the DTMF receive signal is being received. "0" : Indicates that the valid DTMF signal is being received. "1" ...

Page 19

Semiconductor FUNCTIONAL DESCRIPTION Oscillation Circuit The X1 and X2 should be connected by a 3.579545 MHz crystal. When the load capacitance of the crystal is 16pF, X1 and GND should be connected capacitor, and X2 ...

Page 20

Semiconductor FX Detector Input Level Adjustment Adjust the input level according to the method shown in the figure 9. Determine the value of a usable resistor so that the output level of FXDIO is less than the maximum detect ...

Page 21

Semiconductor Adjusting the Analog Output Level Adjust the analog output level according to the method shown in the figure 11 1.6 is always required when the case > ...

Page 22

Semiconductor Register Settings for Each Mode An example of register settings for each mode is shown below. Mode Description Power ON (1) Wait until power supply is stabilized (2) PD pin = "1" (internal circuit is reset) (3) Wait ...

Page 23

Semiconductor APPLICATION CIRCUIT EXAMPLE DTMF Input C3 +2 – 3.579545 MHz Note : indicates connection to the SG pin. ML7005 1 ...

Page 24

Semiconductor PACKAGE DIMENSIONS SSOP32-P-430-1.00-K Mirror finish Notes for Mounting the Surface Mount Type Package The SOP, QFP, TSOP, TQFP, LQFP, SOJ, QFJ (PLCC), SHP, and BGA are surface mount type packages, which are very susceptible to heat in reflow ...

Page 25

NOTICE 1. The information contained herein can change without notice owing to product and/or technical improvements. Before using the product, please make sure that the information being referred to is up-to-date. 2. The outline of action and examples for application ...

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