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10
KDC-BT7539U/BT8041U
/BT8141UY/BT838U
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SUB
μ
-COM: 92CD28AFG6VV1 (X34-597: IC700)
Pin No.
Pin Name
I/O
Application
Processing Operation Description
1
MRST
-
Reset
L: RESET, H: Normal
2
MSTOP
I
STOP signal from system
μ
-com (Momentary power down detec-
tion / Recovery to low power consumption mode)
H: Normal, L: SOC stop
3
REQ_S
I
REQ signal from system
μ
-com
L: Request
4
IPOD_RDY
I
RDY signal of iPOD authentication IC
5
BSIF_ST_REQ
I
BSIF
6
VCC
-
Power supply terminal (For PC port and PMC circuit)
7
XT1
-
Low frequency oscillator connection terminal
Sub-clock 32.768kHz
8
XT2
-
Low frequency oscillator connection terminal
Sub-clock 32.768kHz
9
PWE
-
External power supply control output
L: STOP
10
DVSS
-
GND terminal
11
DVCC1B
-
Power supply terminal for built-in SRAM
12
RVOUT1
-
Built-in regulator 1.5V output
(Flash version does not output voltage)
13
RVIN
-
Built-in regulator power supply input
(Flash version has power supply terminal).
14
RVIN
-
Built-in regulator power supply input
(Flash version has power supply terminal).
15
RVOUT2
-
Built-in regulator 1.5V output
(Flash version does not output voltage)
16
DVCC1A
-
Power supply terminal for built-in logic
17
DVSS
-
GND terminal
18~22
NC
O
Not used
Output is
fi
xed to L
23
CD_CCE
O
Command I/F. CD mechanism chip enable terminal
24
CD_RST
O
RESET. CD mechanism RST terminal
H: Normal, L: Reset
25
NC
O
Not used
Output is
fi
xed to L
26
DVSS
-
GND terminal
27
DVCC3A
-
Power supply terminal for peripheral I/O
28
CD_REQ
I
Command I/F
Communication request terminal from mechanism DSP
H: Data request
29
CD_SRAMSTBY
O
Decoder SRAM STANDBY control
L: SRAM standby (6E**)
30
CD_DRIVEMUTE O
CD motor driver mute output
31
CD_PON
O
CD mechanism power supply control output
H: Power ON (6E**), Hi-z: Power OFF
32~43
NC
O
Not used
Output is
fi
xed to L
44
DVSS
-
GND terminal
45
DVCC3A
-
Power supply terminal for peripheral I/O
46~61
NC
O
Not used
Output is
fi
xed to L
62
DVSS
-
GND terminal
63
DVCC3A
-
Power supply terminal for peripheral I/O
64
NC
O
Not used
Output is
fi
xed to L
65
ZDET_IN
I
ZDET. 0Bit Mute request terminal
L: Mute request, H: In normal condition
66
CD_MUTE
O
Mute request to system
μ
-com
L: Mute request, H: In normal condition
67
REQ_M
O
REQ signal to system
μ
-com
L: Request