Cirrus Logic CS4953xx - Manual (Page 109)

D
S
73
2U
M
1
0
C
op
yri
ght 201
0
C
irr
us Log
ic
,
In
c
9
-2
1
Pin A
s
s
ign
me
nts
C
S
495
3xx
H
a
rd
w
a
re
U
s
e
r’s
M
a
n
ual
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 9-10. Pin Assignments (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