Cirrus Logic CS4953xx User Manual
Page 108
D
S
73
2U
M
1
0
C
op
yri
ght 201
0
C
irr
us Log
ic
,
In
c
9
-2
0
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
45
74
SD_D11
SDRAM Data Bit 11
EXT_D11
Flash Data Bit 11
3.3V
(5V tol)
BiDir
IN
Y
46
75
SD_D10
SDRAM Data Bit 10
EXT_D10
Flash Data Bit 10
3.3V
(5V tol)
BiDir
IN
Y
47
76
GNDIO3
I/O ground
0V
PWR
48
77
SD_D9
SDRAM Data Bit 9
EXT_D9
Flash Data Bit 9
3.3V
(5V tol)
BiDir
IN
Y
49
78
SD_D8
SDRAM Data Bit 8
EXT_D8
Flash Data Bit 8
3.3V
(5V tol)
BiDir
IN
Y
50
79
SD_DQM1
SDRAM Data Mask 1
3.3V
(5V tol)
OUT
51
80
SD_CLKOUT
SDRAM Clock Output
3.3V
(5V tol)
OUT
52
81
SD_CLKIN
SDRAM Clock Input
3.3V
(5V tol)
In
Y
53
82
SD_CLKEN
SDRAM Clock Enable
3.3V
(5V tol)
OUT
54
83
VDD3
Core power supply
voltage
1.8V
PWR
55
84
SD_A12
SDRAM Address Bit
12
EXT_A12
Flash Address Bit 12
3.3V
(5V tol)
OUT
56
85
SD_A11
SDRAM Address Bit
11
EXT_A11
Flash Address Bit 11
3.3V
(5V tol)
OUT
57
86
GNDD3
Core ground
0V
PWR
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
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