ml7084-001 Oki Semiconductor, ml7084-001 Datasheet - Page 2

• Manufacturer Part Number: ml7084-001
• Description: 4ch Voip Codec
• Manufacturer: Oki Semiconductor

• Dial pulse transmission function (One block installed per channel
• 16-bit timer
• Equipped with an interface for serial control
• Allows downloading of DSP firmware
• General-purpose input/output port:
• Power supply voltage:
• Master clock frequency:
• Power down control by hardware or software
• Package:
*1:
Selecting an analog interface is prohibited in the ML7224-001. Also, selecting a PCM interface as a speech codec
interface is not supported.
*2:
Only one of the FSK generation function, tone generation function (DTMF generation function) and dial pulse
transmission function can be used at a time per channel. Note that using more than one generation function at the
same time is not used.
*3:
Using the 2100 Hz single tone /phase inversion detection function and the tone detection function for each channel at
the same time is not allowed.
*4:
If the melody generation function is used, stop all the functions described below on the DSP side that generates
melodies.
In addition, when starting a speech codec, do not start it on the channel 1 side (SC_CH1EN = 1).
(Additional note)
OKI Semiconductor
input/output port
28 ports (some of them have a secondary function)
Digital power supply voltage (DVDD0, 1, 2, 3, 4, 5, 6)
Analog power supply voltage (AVDD0,1)
12.288 MHz (crystal resonator/external input)
176-pin plastic LQFP (LQFP176-P-2424-0.50-ZK)
• Tone generation function (TGEN0/TGEN1)
• Tone detection function (TONE_RXDET0/TONE_TXDET0, TONE_RXDET1/TONE_TXDET1)
• FSK generation function (FSKGEN0/FSKGEN1)
• Tone disabler detection function (TD_RXDET0/TD_TXDET0, TD_RXDET1/TD_TXDET1)
• DTMF detection function (DTMF_DET0/DTMF_DET1)
• Echo canceller (EC0/EC1)
• Dial pulse detection function (DPDET0/DPDET1)
• Dial pulse transmission function (DPGEN0/DPGEN1)
• Timer (TIMER)
This LSI incorporates two DSPs. One DSP performs processing for two channels.
This document distinguishes these two DSPs as the DSP_A side and the DSP_B side, and _a or _b is affixed to
the names of related pins, control registers and others.
(One block installed for every two channels.)
: 3.0 to 3.6V
: 3.0 to 3.6V
*2
.): Secondary function of a general-purpose
FEDL7224-001FULL-01
ML7224-001TC
2/225