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Cirrus Logic CS4953xx User Manual

Page 108

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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