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ELD5016 데이터시트(PDF) 22 Page - ELAN Microelectronics Corp |
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ELD5016 데이터시트(HTML) 22 Page - ELAN Microelectronics Corp |
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22 / 38 page ![]() eLD5016 8-Bit Microcontroller 18 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 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 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 x 001 x 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 0 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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