Cirrus Logic CS4970x4 - Manual (Page 33)

DS810
UM6
C
op
yri
ght 2
013
Ci
rru
s
Lo
gic
P
-22
CS49
53x4 Pin Assign
me
nts
CS4953
x4/CS497
0x4 System Desig
ner’s Gu
ide
58 87 SD_A9 SDRAM Address Bit 9 EXT_A9 Flash Address Bit 9
3.3V (5V
tol)
OUT
59 88 SD_A8 SDRAM Address Bit 8 EXT_A8 Flash Address Bit 8
3.3V (5V
tol)
OUT
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
Table P-11. CS4953x4 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
Pullup
at
Reset