ISD1790 데이터 시트보기 (PDF) - Winbond

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ISD1790

Multi-Message Single-Chip Voice Record & Playback Devices

Winbond 

ISD1700 SERIES

6 MODES OF OPERATIONS

The ISD1700 Series can operate in either Standalone (Push-Button) or microcontroller (SPI) mode.

6.1 STANDALONE (PUSH-BUTTON) MODE

One can utilize the REC , PLAY , FT , FWD , ERASE , VOL or RESET control to initiate a

desired operation. As completed, the device automatically enters into the power-down state.

6.2 SPI MODE

In SPI mode, control of the device is achieved through the 4-wire serial interface via SPI

commands.

For technical details, please refer to the design guide.

7 TIMING DIAGRAMS

The following estimated timing diagrams are not in proper scale.

7.1 BASIC OPERATION

REC

RDY

LED

Tr

TDeb

TSc1 TRU

Mic+/-,

AnaIn

Tf

TER

TRD TSet1

Figure 12.1: Record Operation with No Sound Effect

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