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STA321MP Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte STA321MP
Spiegazioni elettronici  Scalable digital microphone processor
PDF  50 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA321MP Scheda tecnica(HTML) 4 Page - STMicroelectronics

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Contents
STA321MP
4/50
Doc ID 022647 Rev 1
7.2.44
Coefficient address register 2 (0x3C) . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.2.45
Coefficient b1 data register, bits 23:16 (0x3D) . . . . . . . . . . . . . . . . . . . . 38
7.2.46
Coefficient b1 data register, bits 15:8 (0x3E) . . . . . . . . . . . . . . . . . . . . . 39
7.2.47
Coefficient b1 data register, bits 7:0 (0x3F) . . . . . . . . . . . . . . . . . . . . . . 39
7.2.48
Coefficient b2 data register, bits 23:16 (0x40) . . . . . . . . . . . . . . . . . . . . 39
7.2.49
Coefficient b2 data register, bits 15:8 (0x41) . . . . . . . . . . . . . . . . . . . . . 39
7.2.50
Coefficient b2 data register, bits 7:0 (0x42) . . . . . . . . . . . . . . . . . . . . . . 39
7.2.51
Coefficient a1 data register, bits 23:16 (0x43) . . . . . . . . . . . . . . . . . . . . 39
7.2.52
Coefficient a1 data register, bits 15:8 (0x44) . . . . . . . . . . . . . . . . . . . . . 39
7.2.53
Coefficient a1 data register, bits 7:0 (0x45) . . . . . . . . . . . . . . . . . . . . . . 40
7.2.54
Coefficient a2 data register, bits 23:16 (0x46) . . . . . . . . . . . . . . . . . . . . 40
7.2.55
Coefficient a2 data register, bits 15:8 (0x47) . . . . . . . . . . . . . . . . . . . . . 40
7.2.56
Coefficient a2 data register, bits 7:0 (0x48) . . . . . . . . . . . . . . . . . . . . . . 40
7.2.57
Coefficient b0 data register, bits 23:16 (0x49) . . . . . . . . . . . . . . . . . . . . 40
7.2.58
Coefficient b0 data register, bits 15:8 (0x4A) . . . . . . . . . . . . . . . . . . . . . 40
7.2.59
Coefficient b0 data register, bits 7:0 (0x4B) . . . . . . . . . . . . . . . . . . . . . . 40
7.2.60
Coefficient write control register (0x4C) . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.3
Reading a coefficient from RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.4
Reading a set of coefficients from RAM . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.5
Writing a single coefficient to RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.6
Writing a set of coefficients to RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
8
Equalization and mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8.1
Post-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8.2
Variable max power correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.2.1
MPCC1-2 (0x4D, 0x4E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.3
Variable distortion compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.3.1
DCC1-2 (0x4F, 0x50) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.4
Reserved registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
9.1
TQFP64 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
9.2
VFQFPN56 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49



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