CXD2951GA-2 Просмотр технического описания (PDF) - Sony Semiconductor
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производитель
CXD2951GA-2 Datasheet PDF : 26 Pages
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CXD2951GA-2
Pin
No.
Symbol
I/O
Description
101 EAVSAD
A/D converter GND
102 EADVRB
I A/D converter Reference input Bottom
103 EVIN0
I A/D converter Analog input 0
104 EVIN1
I A/D converter Analog input 1
105 EVIN2
I A/D converter Analog input 2
106 EVIN3
I A/D converter Analog input 3
107 EADVRT
I A/D converter Reference input Top
108 EAVDAD
A/D converter 3.3V
109 IOVSS8
GND
110 ETEST3 I/O/Z (Connect to GND with a resistor.)
111 ETEST4 I/O/Z (Connect to GND with a resistor.)
112 IOVDD7
3.3V
113 BKUPCVSS
Backup core power supply GND
114 BKUPCVDD
Backup core power supply 1.8V
115 ECCKI
116 ECCKO
I
RTC oscillator (32.768kHz)
O
117 BKUPIOVSS
Backup I/O power supply GND
118 BKUPIOVDD
Backup I/O power supply 3.3V
119 EOSCEN
I Oscillator enable (H-Active), See backup mode section.
120 ECLKS0
I Test (Connect to GND.)
121 ECLKS1
I Test (Connect to GND.)
122 ECLKS2
I Test (Connect to GND.)
123 IOVSS4
GND
124 EXCS0
O/Z External expansion chip selection 0 (Program boot is enable if EXROMI is high.)
125 EXCS1
O/Z External expansion chip selection 1
126 EXOE
O/Z External expansion read signal
127 EXWE3
O/Z External expansion write signal
128 EXWE2
O/Z External expansion write signal
129 EXWE1
O/Z External expansion write signal
130 EXWE0
O/Z External expansion write signal
131 IOVSS5
GND
132 IOVDD4
3.3V
133 ED31
I/O External expansion data 31 (with a pull-down resistor)
134 ED30
I/O External expansion data 30 (with a pull-down resistor)
135 ED29
I/O External expansion data 29 (with a pull-down resistor)
136 ED28
I/O External expansion data 28 (with a pull-down resistor)
137 ED27
I/O External expansion data 27 (with a pull-down resistor)
138 ED26
I/O External expansion data 26 (with a pull-down resistor)
–8–
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