Figure 3.3.1 Layout of Jumpers and Connectors for Audio Amplifier Selecting
3.4
Buzzer Speech
S1C31D51 is implemented with a buzzer speech playback function. The buzzer speech playback can be
evaluated on S5U1C31D51T1 connected with S5U1C31D51T2 (sold separately) which has the recommended
circuit for buzzer speech playback. Refer to "S5U1C31D51T2 Manual" for details.
S5U1C31D51T1 Manual
(Rev.1.0)
Jumpers for audio amplifier setting
(JP1/JP2/JP3/J13/JP4/J5)
Seiko Epson Corporation
3. Settings
Sound output connector
for class-AB amplifier(J8)
Sound output connector
for class-D amplifier(J9)
9