Specifications

II-22 EPSON S1C6S2N7 TECHNICAL SOFTWARE

CHAPTER 3: PERIPHERAL CIRCUITS (Special Use Output Ports)

• Buzzer driver output (BUZZER)

When output port R01 is set for BUZZER and R00 is set for

BUZZER, it performs 2,048 Hz or 4,096 Hz selected by

Label Mnemonic/operand Comment

LD Y,0FDH ;Set address of BUZZER

;frequency control register

LD MY,1000B ;Select 2,048 Hz

LD Y,0F3H ;Set address of output port

OR MY,0010B ;Turn on BUZZER

: :

AND MY,1101B ;Turn off BUZZER

Examples of special

use output port

control program