11
KDC-BT7539U/BT8041U
/BT8141UY/BT838U
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Application
Processing Operation Description
68
IPOD_RST
O
RESET
69
BOOT
I
For writing data in Flash
69,70
NC
O
Not used
Output is
fi
xed to L
71
BSIF_LRCK
-
BSIF
72
AM1
-
Operation mode: Fixed to “1”.
73
X2
-
High frequency oscillator connection terminal. Main-clock 9.00MHz
74
DVSS
-
GND terminal
75
X1
-
High frequency oscillator connection terminal. Main-clock 9.00MHz
76
DVCC3A
-
Power supply terminal for peripheral I/O
77
USB_OC
I
USB over current detection
L: Detected, H: Normal
78
USB_PON
O
USB PON output
79
USB_D+
-
USB data connection terminal
80
USB_D-
-
USB data connection terminal
81
AM0
-
Operation mode: Fixed to “1”
82
CD_LOE_LIM_SW
I
CD detection terminal (Chucking SW)
L: Loading completed, H: No disc
83
DVSS
-
GND terminal
84
DATA_M
O
Serial I/F with system
μ
-com (Sending)
85
DATA_S
I
Serial I/F with system
μ
-com (Receiving)
86
CLK
O
Serial I/F with system
μ
-com (Clock output)
f=1M or less
87
CD_SO
O
Command I/F. Serial I/F (Sending)
87
FLSH_UO
O
For writing data in Flash
88
CD_SI
I
Command I/F. Serial I/F (Receiving)
88
FLSH_UI
I
For writing data in Flash
89
CD_CLK
O
Command I/F. Serial I/F (Clock output)
f=1MHz, L during other source
90
ROMCOR_SDA
I/O E2PROM I2C data I/O terminal for ROM correction
90
IPOD_SDA
I/O I2C iPOD authentication data I/O terminal
91
ROMCOR_SCLK I/O E2PROM I2C clock output terminal for ROM correction
91
IPOD_SCLK
I/O I2C iPOD authentication clock output terminal
f=80kHz
92
BSIF_BCK
-
BSIF
L during other source
93
BSIF_DATA
-
BSIF
L during other source
94
BSIF_GATE
O
BSIF
95
DVCC3A
-
Power supply terminal for peripheral I/O
96
NC
I
Not used
96
ROMCOR_DET
I
ROMCOR writing detection
H: Writing
97~99
NC
I
Not used
100
DVSS
-
GND terminal