Read Sony ICD-BX700 / ICD-PX720 Service Manual online
ICD-BX700/PX720
25
Pin No.
Pin Name
I/O
Description
55
DOUT/PCM DADT
O
PCM serial data signal output
56
DIN/PCM ADDT
I
PCM serial data signal input
57
BCK/PCM BCK
I/O
PCM bit clock signal input/output
58
LRCK/P12/PCM LRCK
I/O
PCM LR serial clock signal input/output
59
MCLK/P13/PCM MCLK
I/O
PCM main serial clock signal input/output
60
SCL/P28/I2C SCL
I/O
I2C serial clock signal input/output
61
I2C SDA
I/O
I2C serial data signal input/output
62
BOOT XMS
I/O
UART2 transmission data input/output Not used in this set. (Open)
63
ADA XRST
I/O
UART2 receive data input/output
64
TEST1
I
Test pin Operation: “L” input
65
TEST2
I
Test pin Operation: “L” input
66
VDD1
—
Digital power supply pin (+1.5V)
67
SDWP/SD WP
I
SD card write protect signal input Fixed at “L”.
68
SDCD/INS/SD CD
I
SD card detect/MSINS signal input Not used in this set. (Open)
69
SDCMD/BS/SD CMD
I/O
SD card command/MSBS signal input/output Not used in this set. (Open)
70
SDCLK/SCLK/SD CLK
O
SD card serial clock/MS serial clock signal output Not used in this set. (Open)
71
SDAT0/DATA0/
SD DATA0
I/O
SD card serial data/MS serial data signal input/output Not used in this set. (Open)
72
VSS
—
Digital ground pin
73
VDD3
—
Digital power supply pin (+3.3V)
74
SDAT1/DATA1/
SD DATA1
I/O
SD card serial data/MS serial data signal input/output Not used in this set. (Open)
75
SDAT2/DATA2/
SD DATA2
I/O
SD card serial data/MS serial data signal input/output Not used in this set. (Open)
76
SDAT3/DATA3/
SD DATA3
I/O
SD card serial data/MS serial data signal input/output Not used in this set. (Open)
77
AVDDPLL1
—
Analog power supply pin for PLL1 (+1.5V)
78
AVSSPLL1
—
Analog ground pin for PLL1
79
VCNT1
O
VCO control signal output for PLL1
80
VDDXT
—
Power supply pin for system/USB PHY oscillation amplifi er (+1.5V)
81
VSSXT
—
Ground pin for system/USB PHY oscillation amplifi er
82
XIN1
I
Oscillation amplifi er input for system/USB PHY
83
XOUT1
O
Oscillation amplifi er output for system/USB PHY
84
VDDRTC
—
Power supply pin for RTC
85
VSSRTC
—
Ground pin for RTC
86
XOUT32K
O
32.768kHz oscillation amplifi er output for RTC
87
XIN32K
I
32.768kHz oscillation amplifi er input for RTC
88
VDET/RTC VDET
I
Voltage observation and comparison signal input
89
RTCINT
O
RTC interruption signal output
90
BACKUPB
I
RTC operation mode signal input
91
AVDDPHY1
—
Power supply pin for USB PHY (+1.5V)
92, 93
AVSSPHY1
—
Analog ground pin for USB PHY
94
RREF
I/O
Reference resistance pin for USB PHY
95
AVSSPHY2
—
Analog ground pin for USB PHY
96, 97
AVDDPHY2
—
Analog power supply pin for USB PHY (+3.3V)
98 to 100
AVSSPHY2
—
Analog ground pin for USB PHY
101
AVDDPHY2
—
Analog power supply pin for USB PHY (+3.3V)
102
DP
I/O
USB serial data (+) signal input/output
103
DM
I/O
USB serial data (–) signal input/output
104
AVSSPHY2
—
Analog ground pin for USB PHY
105
AVDDPHY2
—
Analog power supply pin for USB PHY (+3.3V)
106
AVDDADC
—
Analog power supply pin for A/D converter
107
AN0/BATT AD
I
A/D converter analog signal input Battery detect signal input
108
AN1/KEY AD0
I
A/D converter analog signal input Key detect signal input
109
AN2/KEY AD1
I
A/D converter analog signal input Key detect signal input
110
AN3/MICHP AD
I
A/D converter analog signal input MIC/HP detect signal input
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