81
HCD-FX80
Pin No.
Pin Name
I/O
Desciption
85
OVSS
—
Digital ground for Pad Ring
86
MA1
O
Address output port for SDRAM
87
MA6
O
Address output port for SDRAM
88
MA0
O
Address output port for SDRAM
89
MA7
O
Address output port for SDRAM
90
OVSS
—
Digital ground for Pad Ring
91
IVSS
—
Digital ground for Pad Ring
92
CVSS
—
Digital ground for core
93
OVDD
—
Positive supply voltage (+3.3V) for Pad Ring
94
MA10
O
Address output port for SDRAM
95
MA8
O
Address output port for SDRAM
96
MA11
O
Address output port for SDRAM
97
MA9
O
Address output port for SDRAM
98
OVDD
—
Positive supply voltage (+3.3V) for Pad Ring
99
OVSS
—
Digital ground for Pad Ring
100
RAS
O
Row Address Strobe command output port for SDRAM
101
DQM
O
DQM output port for SDRAM
102
CAS
O
Column Address Strobe command output port for SDRAM
103
MCLK
O
Clock output port for SDRAM (54MHz)
104
WE
O
Write Enable output port for SDRAM
105
TEST3
I
Test purpose only (must be connected to ground)
106
TEST4
I
Test purpose only (must be connected to ground)
107
OVSS
—
Digital ground for Pad Ring
108
OVDD
—
Positive supply voltage (+3.3V) for Pad Ring
109
CVDD
—
Positive supply voltage (+2.5V) for core
110
MD7
I/O
Data input/output port for SDRAM
111
MD8
I/O
Data input/output port for SDRAM
112
MD6
I/O
Data input/output port for SDRAM
113
MD9
I/O
Data input/output port for SDRAM
114
OVDD
—
Positive supply voltage (+3.3V) for Pad Ring
115
OVSS
—
Digital ground for Pad Ring
I/O
Data input/output port for SDRAM
I/O
Data input/output port for SDRAM
I/O
Data input/output port for SDRAM
I/O
Data input/output port for SDRAM
—
Positive supply voltage (+3.3V) for Pad Ring
—
Digital ground for Pad Ring
I/O
Data input/output port for SDRAM
I/O
Data input/output port for SDRAM
I/O
Data input/output port for SDRAM
125
MD13
I/O
Data input/output port for SDRAM
126
OVSS
—
Digital ground for Pad Ring
127
CVSS
—
Digital ground for core
128
OVDD
—
Positive supply voltage (+3.3V) for Pad Ring
129
MD1
I/O
Data input/output port for SDRAM
130
MD14
I/O
Data input/output port for SDRAM
131
MD0
I/O
Data input/output port for SDRAM
132
MD15
I/O
Data input/output port for SDRAM
133
SLV
I
Slave address selection input for I2C
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