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SC9822P Datasheet(PDF) 6 Page - Silan Microelectronics Joint-stock |
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SC9822P Datasheet(HTML) 6 Page - Silan Microelectronics Joint-stock |
6 / 30 page SC9822P HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.0 2006.07.21 Http: www.silan.com.cn Page 6 of 30 FUNCTION DESCRIPTION 1. CD/MP3 Register function Register description (The register address of SC9822P is 8 bits) Symbol Address Read/write Initialization Description SC9822P play state registers TotalTimeMin[5:0] 0x61 R 0x00 Total time’ s minutes of current playing music:0-59 TotalTimeSec[5:0] 0x62 R 0x00 Total time’ s seconds of current playing music:0-59 CurrentTimeMin[5:0] 0x63 R 0x00 Already played time’ s minutes of current music:0-59 CurrentTimeSec[5:0] 0x64 R 0x00 Already played time’ s seconds of current music: 0-59 FrameInform[7:0] 0x65 R 0x03 bit[3:0]: Sampling rate of current playing music 0x0: 44.1KHz 0x1: 48KHz 0x2: 32KHz 0x4: 22.05KHz 0x5: 24KHz 0x6: 16Khz 0x0C: 11.025KHz 0x0D:12KHz 0x0E:8KHz Reserve the rest; When the music format is Layer III: Bit [7:4]: The bit rate of current playing music, together with sampling rate to decide current bit rate. This chip provides variable bit rate and free bit rate (*1). When the sampling rate is 44.1, 48, 32KHz, the other sampling rate is: 0x0: Free mode 0x1: 32kbps 8kbps 0x2: 40kbps 16kbps 0x3: 48kbps 24kbps 0x4: 56kbps 32 kbps 0x5: 64 kbps 40 kbps 0x6: 80 kbps 48 kbps (To be continued) |
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