ELD5016 datasheet(22/38 Pages) EMC

22 / 38 page

eLD5016

8-Bit Microcontroller



Product Specification (V1.0) 2.16.2017

(This specification is subject to change without prior notice)

Page 1 (CDAC: Clear CDA Data, Voice Synthesizer Sampling Rate and Volume

Control)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

CLDA

RATE2

RATE1

RATE0

VOL3

VOL2

VOL1

VOL0

R/W-0

Bit 7 (CLDA):Current D/A data clear enable control

0: Disable

1: Enable

When this bit is set (enabled), the internal Current D/A data will be

cleared and its output will go to ground level with the VOICE pin

connecting a resistor to ground. After setting this bit, remember to clear

(disable) it again otherwise it will keep outputting to ground level no

matter if voice ROM is playing or not.

Bits 6 ~ 4 (RATE2 ~ 0): Voice synthesizer sampling rate control

RATE2 ~ 0

Sampling Rate

000

001

010

32768 Hz / 2 = 16384 Hz

011

32768 Hz / 3 = 109227 Hz

100

32768 Hz / 4 =

8192 Hz

101

32768 Hz / 5 = 65536 Hz

110

32768 Hz / 6 = 54313 Hz

111

32768 Hz / 7 = 46811 Hz

Bits 3 ~ 0 (VOL3 ~ 0): Voice synthesizer volume control

VOL3 ~ 0

Max. Voice Output Current (mA)

0000

0001

5 x 2 / 16 mA = 0.625 mA

0010

5 x 3 / 16 mA = 0.9375 mA

0011

5 x 4 / 16 mA = 1.25 mA

0100

5 x 5 / 16 mA = 1.5625 mA

0101

5 x 6 / 16 mA = 1.875 mA

0110

5 x 7 / 16 mA = 2.1875 mA

0111

5 x 8 / 16 mA = 2.5 mA

1000

5 x 9 / 16 mA = 2.8125 mA

1001

5 x 10 / 16 mA = 3.125 mA

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