CXD2951GL-4 Просмотр технического описания (PDF) - Sony Semiconductor

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Компоненты Описание

производитель

CXD2951GL-4

Single Chip GPS LSI

Sony Semiconductor 

CXD2951GL-4

Pin

No.

Symbol

107 EADVRT

108 EAVDAD

109 IOVSS8

110 ETEST3

111 ETEST4

112 IOVDD7

113 BKUPCVSS

114 BKUPCVDD

115 ECCKI

116 ECCKO

117 BKUPIOVSS

118 BKUPIOVDD

119 EOSCEN

120 ECLKS0

121 ECLKS1

122 ECLKS2

123 IOVSS4

124 EXCS0

125 EXCS1

126 EXOE

127 EXWE3

128 EXWE2

129 EXWE1

130 EXWE0

131 IOVSS5

132 IOVDD4

133 ED31

134 ED30

135 ED29

136 ED28

137 ED27

138 ED26

139 ED25

140 ED24

141 ED23

142 ED22

143 ED21

144 ED20

I/O

Description

I A/D converter Reference input Top

A/D converter 3.3V

GND

I/O/Z (Connect to GND with a resistor.)

I/O/Z (Connect to GND with a resistor.)

3.3V

Backup core power supply GND

Backup core power supply 1.8V

I

RTC oscillator (32.768kHz)

O

Backup I/O power supply GND

Backup I/O power supply 3.3V

I Oscillator enable (H-Active), See backup mode section.

I Test (Connect to GND.)

I Test (Connect to GND.)

I Test (Connect to GND.)

GND

O/Z

External expansion chip selection 0

(Program boot is enable if EXROMI is high.)

O/Z External expansion chip selection 1

O/Z External expansion read signal

O/Z External expansion write signal

O/Z External expansion write signal

O/Z External expansion write signal

O/Z External expansion write signal

GND

3.3V

I/O External expansion data 31 (with a pull-down resistor)

I/O External expansion data 30 (with a pull-down resistor)

I/O External expansion data 29 (with a pull-down resistor)

I/O External expansion data 28 (with a pull-down resistor)

I/O External expansion data 27 (with a pull-down resistor)

I/O External expansion data 26 (with a pull-down resistor)

I/O External expansion data 25 (with a pull-down resistor)

I/O External expansion data 24 (with a pull-down resistor)

I/O External expansion data 23 (with a pull-down resistor)

I/O External expansion data 22 (with a pull-down resistor)

I/O External expansion data 21 (with a pull-down resistor)

I/O External expansion data 20 (with a pull-down resistor)

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