Datasheet

SRC4392
SBFS029D –DECEMBER 2005–REVISED DECEMBER 2012 www.ti.com
Registers 1F through 28: Q-Channel Sub-Code Data Registers
Registers 0x1F through 0x28 comprise the Q-channel sub-code buffer, which may be accessed for audio CD
playback. The Q-channel data provides information regarding the playback status for the current disc. The
buffer data is decoded by the DIR block.
Register 1F: Q-Channel Sub-Code Data Register 1 (Read-Only), Bits[7:0], Control and Address
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
Register 20: Q-Channel Sub-Code Data Register 2 (Read-Only), Bits[15:8], Track
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15
Register 21: Q-Channel Sub-Code Data Register 3 (Read-Only), Bits[23:16], Index
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23
Register 22: Q-Channel Sub-Code Data Register 4 (Read-Only), Bits[31:24], Minutes
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q24 Q25 Q26 Q27 Q28 Q29 Q30 Q31
Register 23: : Q-Channel Sub-Code Data Register 5 (Read-Only), Bits[39:32], Seconds
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39
Register 24: : Q-Channel Sub-Code Data Register 6 (Read-Only), Bits[47:40], Frame
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47
Register 25: Q-Channel Sub-Code Data Register 7 (Read-Only), Bits[55:48], Zero
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55
Register 26: Q-Channel Sub-Code Data Register 8 (Read-Only), Bits[63:56], AMIN
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q56 Q57 Q58 Q59 Q60 Q61 Q62 Q63
Register 27: Q-Channel Sub-Code Data Register 9 (Read-Only), Bits[71:64], ASEC
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q64 Q65 Q66 Q67 Q68 Q69 Q70 Q71
Register 28: Q-Channel Sub-Code Data Register 10 (Read-Only), Bits[79:72], AFRAME
Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Q72 Q73 Q74 Q75 Q76 Q77 Q78 Q79
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