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DS810UM6 Copyright 2013 Cirrus Logic P-14
CS4970x4 Pin Assignments
CS4953x4/CS4970x4 System Designer’s Guide
60 89 VDDIO4 I/O power supply voltage 3.3V PWR
61 90 SD_A7 SDRAM Address Bit 7 EXT_A7 Flash Address Bit 7 3.3V (5V tol) OUT
62 91 SD_A6 SDRAM Address Bit 6 EXT_A6 Flash Address Bit 6 3.3V (5V tol) OUT
63 92 GNDIO4 I/O ground 0V PWR
64 93 SD_A5 SDRAM Address Bit 5 EXT_A5 Flash Address Bit 5 3.3V (5V tol) OUT
65 94 EXT_CS2 Chip Select 2 3.3V (5V tol) OUT
66 95 VDD4 Core power supply voltage 1.8V PWR
67 96 SD_A4 SDRAM Address Bit 4 EXT_A4 Flash Address Bit 4 3.3V (5V tol) OUT
68 97 SD_A3 SDRAM Address Bit 3 EXT_A3 Flash Address Bit 3 3.3V (5V tol) OUT
69 98 GNDD4 Core ground 0V PWR
70 99 SD_A2 SDRAM Address Bit 2 EXT_A2 Flash Address Bit 2 3.3V (5V tol) OUT
71 101 SD_A1 SDRAM Address Bit 1 EXT_A1 Flash Address Bit 1 3.3V (5V tol) OUT
72 102 SD_A0 SDRAM Address Bit 0 EXT_A0 Flash Address Bit 0 3.3V (5V tol) OUT
73 100 VDDIO5 I/O power supply voltage 3.3V PWR
74 103 SD_A10 SDRAM Address Bit 10 EXT_A10 Flash Address Bit 10 3.3V (5V tol) OUT
75 104 SD_BA0 SDRAM Bank Address 0 EXT_A13 Flash Address Bit 13 3.3V (5V tol) OUT
76 105 GNDIO5 I/O ground 0V PWR
77 106 SD_BA1 SDRAM Bank Address 1 EXT_A14 Flash Address Bit 14 3.3V (5V tol) OUT
78 107
SD_WE
SDRAM Write Enable 3.3V (5V tol) OUT
79 108
SD_CAS
SDRAM Column Address Strobe 3.3V (5V tol) OUT
80 109
SD_RAS
SDRAM Row Address Strobe 3.3V (5V tol) OUT
81 110
SD_CS
SDRAM Chip Select 3.3V (5V tol) OUT
82 111 EXT_A15 Flash Address Bit 15 3.3V (5V tol) OUT
83 112 VDD5 Core power supply voltage 1.8V PWR
84 113 EXT_A16 Flash Address Bit 16 3.3V (5V tol) OUT
85 114 EXT_A17 Flash Address Bit 17 3.3V (5V tol) OUT
86 115 GNDD5 Core ground 0V PWR
87 116 EXT_A18 Flash Address Bit 18 3.3V (5V tol) OUT
88 117 EXT_A19 Flash Address Bit 19 3.3V (5V tol) OUT
89 118
EXT_OE
Flash Output Enable 3.3V (5V tol) OUT
90 119
EXT_CS1
Active-low Flash chip select 3.3V (5V tol) OUT
91 120 VDDIO6 I/O power supply voltage 3.3V PWR
92 - GPIO30 General Purpose Input/Output XMTB_IN S/PDIF Pass-thru Input 3.3V (5V tol) BiDir IN
Table P-10. CS4970x4 Pin Assignments (Continued) for 144-Pin and 128-Pin Packages (Continued)
LQFP-
144
Pin #
LQFP-
128
Pin #
Function 1
(Default)
Description of Default Function Secondary Functions Description of Secondary
Functions
Pwr Type
Reset
State