MZ-N505

Pin No.

Pin Name

I/O

Description

 

 

 

 

 

103

XMUTE

O

Analog muting control signal output terminal

“L”: muting ON Not used

 

 

 

 

 

104

XRST

I

System reset signal input from the power control

“L”: reset

 

 

 

 

 

105

STAND DET

I

Charging stand detection signal input terminal

Not used

 

 

 

 

106

VB MON

I

Voltage monitor input terminal (A/D input) of the UNREG power supply

107

CHG MON

I

Charge voltage monitor input (A/D input) from the power control

108

VREF MON

I

Clear reference voltage monitor input terminal (A/D input) from the RF amplifier

 

 

 

 

109, 110

SET KEY 1, 2

I

Key input terminal (A/D input) from the switch & liquid crystal display element module

 

 

 

 

111

VBUS DET

I

USB power supply voltage detection signal input terminal

 

 

 

 

112

HIDC MON

I

HIGH DC voltage monitor input terminal (A/D input)

 

 

 

 

113

WK DET

I

Set key and USB start switching detection signal input terminal (A/D input)

114

REC KEY

I

REC key input terminal (A/D input)

 

 

115

HALF LOCK

I

Open button detection switch input terminal (A/D input)

SW

Input “L” when the open button is pressed. Input “H” in other cases.

 

 

 

 

 

 

116

RMC KEY

I

Key input terminal (A/D input) from the remote commander attached headphone

 

 

 

 

117

AVDD

Power supply terminal (for the microcomputer analog) (+2.8V)

 

 

 

 

 

118

AVSS

Ground terminal (for the microcomputer analog)

 

 

 

 

 

119

TSMVDD

Power supply terminal (for the TSB master communication) (+2.8V)

120

RMC DTCK

I/O

Serial data input/output with the remote commander attached headphone

121

TSLVDD

Power supply terminal (for the I/F to TSB slave) (+2.3V)

122, 123

NC

Not used

 

 

 

 

 

 

 

 

124

TAT

Not used

 

 

 

 

 

 

 

 

125

TAN

Not used

 

 

 

 

 

 

 

 

126

NAR

Not used

 

 

127

ID0

Not used

 

 

128

SAK

Not used

 

 

129

IT0

Not used

 

 

 

 

 

 

 

 

130

MITY

Ground terminal Not used

 

 

 

 

 

 

 

 

131

SUSPEND

O

USB suspend signal output terminal

 

 

 

 

 

 

 

 

132

USBIFVDD

Power supply terminal (for USB I/F) (+3.3V)

 

 

 

 

 

 

 

 

133

UDM

I

USB data (-) input terminal

 

 

134

UDP

I

USB data (+) input terminal

 

 

135

UPUEN

O

USB pullup resistor connection control output terminal

 

 

 

 

136

USBOSCVDD

Power supply terminal (for the USB oscillation circuit) (+2.4V)

 

 

 

 

 

 

137

UOSCI

I

Clock (48MHz) input terminal for the USB

 

 

 

 

 

 

 

 

138

UOSCO

O

Clock (48MHz) output terminal for the USB

 

 

 

 

 

 

 

139

USBOSCVSS

Ground terminal (for the USB oscillation circuit)

 

140 to

MODE1 to 3

O

Power supply control signal output for the over write head to the over write head drive

142

 

 

 

 

 

 

 

 

 

143

HD CON 1

O

Over write head control signal output to the over write head drive

 

 

 

 

 

 

144

PBVDD

Power supply terminal (+2.3V)

 

 

 

 

 

 

145

HD CON 2

O

Over write head control signal output to the over write head drive

 

 

 

 

 

146

XTEST

I

Input terminal for test mode set (normally: open)

“L”: test mode

 

 

 

 

 

 

147

XCS ADA

O

Chip select signal output to the A/D converter

 

 

148

XPD ADA

O

Power supply control signal output for the drive to the A/D converter

149

VDIOSC

Power supply terminal (for the OSC cell) (+2.4V)

 

 

 

 

 

 

 

150

OSCI

I

System clock (45.1584MHz) input terminal

 

 

 

 

 

 

 

 

151

OSCO

O

System clock (45.1584MHz) output terminal

 

 

 

 

 

 

 

 

51

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Sony MZ-N505 Vbus DET, Wk Det, Rec Key, Half Lock, Rmc Key, Avdd, Avss, Tslvdd, Nar, ID0, Sak, IT0, Suspend, Usbifvdd