MSSI121-2中文資料茂矽電子數(shù)據(jù)手冊PDF規(guī)格書

Features

■ Single power supply can operate at 2.4V through 6V.

■ Current output can drive 8 ohm speaker with a transistor, Vout can drive buzzer directly.

■ The voice content is stored for 7-12 seconds for SI121 including mute and is single section / phrase and single trigger.

■ Automatic power down.

■ A phrase is composed of repetitive sections.

■ Interrupt function (INTP) stops the audio output at once.

■ An LED function with 3Hz flash is provided to tell the audio status.

■ Repeat pin was provided to keep audio output repeating.

■ Built-in power on play function and is programmable.

■ Programmable option for either Retrigger or not.

■ Programmable option for either Level or Edge trigger type.

■ Programmable option for either Holdable or Unholdable output type.

■ Programmable option for repeat times up to 8 times.

■ Programmable option for either LED display or STOP pulse on LED/STP pin.

■ SI121 can be programmed by MSM9159, MSM9156, MSM9141S, MSM9140 & MSM9139.

■ A STOP pulse comes out when audio signal is finished.

■ CDS input interface with 10ms debounce is provided for trigger pin, REP pin and INTP pin.