Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Especificaciones descargar pdf (Pagina 67)

100

101

PF1072-04

Melody playing middleware

● Melody playing middleware for the S1C33 Family

● Supports simple PWM method similar to general melody ICs

● Max. 3-channel simultaneous outputs

● Supports in an S1C33 chip

■ FEATURES

•Middleware for the S1C33 Family is provided as a linkable library.

• Melody is output with 60Hz to 4kHz PWM waveforms using 16-bit timers.

• Melody tools allow input of music and evaluation of melody output on the PC.

•Compact data and library size (melody data: 2 bytes per note, library: 1.5K bytes) that needs only a small

ROM area.

• Suitable for data banks, PDAs, toys with a melody function.

■ HARDWARE CONFIGURATION

S1C33xxx

S1C33000

Core CPU

Built-in RAM

External RAM External ROM

Bus interface

Max. 3 ch

16-bit timer 0

16-bit timer 1

16-bit timer 2

Transister

AMP

for drive

Speaker

Piezoelectric

speaker

16-bit timer 4

(for interrupt)

■ RESOURCE

ROM size : Melody library = approx. 1.5K bytes, Melody data = approx. 2 bytes per note

RAM size : Approx. 150 bytes

Timer : 16-bit timer 4 is used for generating an interrupt

Melody output : One 16-bit timer is used for each output channel

■ SOFTWARE CONFIGURATION

● S5U1C330M1S Library

Libraries with melody subroutines that are called from the user's application.

Application

Hardware

16-bit timers 2 to 4 ch

S5U1C330M1S library

mdyOpen(), mdySet(), mdyStart(), ....

S1C33 Family S5U1C330M1S Middleware

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 100 101

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