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SBFS026B − JUNE 2004 − REVISED SEPTEMBER 2007
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6
PIN DESCRIPTIONS
PIN # NAME I/O DESCRIPTION
1 IFMTA0 Input SRC A Audio Input Data Format
(1)
2 IFMTA1 Input SRC A Audio Input Data Format
(1)
3 IFMTA2 Input SRC A Audio Input Data Format
(1)
4 OFMTA0 Input SRC A Audio Output Data Format
(1)
5 OFMTA1 Input SRC A Audio Output Data Format
(1)
6 OWLA0 Input SRC A Audio Output Data Word Length
(1)
7 OWLA1 Input SRC A Audio Output Data Word Length
(1)
8 BYPA Input SRC A Bypass Mode (Active High)
9 LGRPA0 Input SRC A Low Group Delay Mode
(1)
10 LGRPA1 Input SRC A Low Group Delay Mode
(1)
11 DDNA Input SRC A Direct Downsampling Mode (Active High)
(1)
12 DEMA0 Input SRC A Digital De-Emphasis Filter Mode
(1)
13 DEMA1 Input SRC A Digital De-Emphasis Filter Mode
(1)
14 MODEA0 Input SRC A Serial Port Mode
(1)
15 MODEA1 Input SRC A Serial Port Mode
(1)
16 MODEA2 Input SRC A Serial Port Mode
(1)
17 RATIOA Output SRC A Ratio Flag
18 RDYA Output SRC A Ready Flag (Active Low)
19 MUTEA Input SRC A Output Soft Mute
20 RCKIA Input SRC A Reference Clock
21 RST Input Reset and Power-Down (Active Low)
22 H/S Input Control Mode (0 = Software, 1 = Hardware)
23 DGND Ground Digital Ground
24, 25 VDD33 Power Core Supply, +3.3V. Required when REGEN is high. When REGEN is low, VDD33 must be left unconnected.
26 REGEN Input Voltage Regulator Enable (Active High)
27, 28 VDD18 Power Core Supply, +1.8V. Required when REGEN is low. When REGEN is high, VDD18 must be left unconnected.
29 RCKIB Input SRC B Reference Clock
30 MUTEB Input SRC B Output Soft Mute
31 RDYB Output SRC B Ready Flag (Active Low)
32 RATIOB Output SRC B Ratio Flag
33 MODEB2 or CDIN Input SRC B Serial Port Mode
(1)
or SPI Port Serial Data Input
(2)
34 MODEB1 or CCLK Input SRC B Serial Port Mode
(1)
or SPI Port Data Clock
(2)
35 MODEB0 or CS Input SRC B Serial Port Mode
(1)
or SPI Port Chip Select (Active Low)
(2)
36 DEMB1 or CDOUT I/O SRC B Digital De-Emphasis Filter Mode
(1)
or SPI Port Serial Data Output
(2)
37 DEMB0 Input SRC B Digital De-Emphasis Filter Mode
(1)
38 DDNB Input SRC B Direct Downsampling Mode (Active High)
(1)
39 LGRPB1 Input SRC B Low Group Delay Mode
(1)
40 LGRPB0 Input SRC B Low Group Delay Mode
(1)
41 BYPB Input SRC B Bypass Mode (Active High)
42 OWLB1 Input SRC B Audio Output Data Word Length
(1)
43 OWLB0 Input SRC B Audio Output Data Word Length
(1)
44 OFMTB1 Input SRC B Audio Output Data Format
(1)
45 OFMTB0 Input SRC B Audio Output Data Format
(1)
46 IFMTB2 Input SRC B Audio Input Data Format
(1)
47 IFMTB1 Input SRC B Audio Input Data Format
(1)
48 IFMTB0 Input SRC B Audio Input Data Format
(1)
49 SDOUTB Output SRC B Audio Output Data
50 BCKOB I/O SRC B Audio Output Bit Clock
51 LRCKOB I/O SRC B Audio Output Left/Right or Word Clock
52 TDMIB Input SRC B TDM Input Data (TDM Format Only)
53 BCKIB I/O SRC B Audio Input Bit Clock
54 LRCKIB I/O SRC B Audio Input Left/Right or Word Clock
55 SDINB Input SRC B Audio Input Data
56 V
IO
Power Digital I/O Supply, +1.65V to +3.6V
57 DGND Ground Digital Ground
58 SDINA Input SRC A Audio Input Data
59 LRCKIA I/O SRC A Audio Input Left/Right or Word Clock
60 BCKIA I/O SRC A Audio Input Bit Clock
61 TDMIA Input SRC A TDM Input Data (TDM Format Only)
62 LRCKOA I/O SRC A Audio Output Left/Right or Word Clock
63 BCKOA I/O SRC A Audio Output Bit Clock
64 SDOUTA Output SRC A Audio Output Data
(1)
Disabled in Software control mode.
(2)
Disabled in Hardware control mode.
