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QQ
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MAIN MICROPROCESSOR
TERMINAL DESCRIPTION
No.
Symbol
51
DSP1BST
52
~DSP1HCS
53
~DSP1HACN
54
DSP1GP8
55
BVdd
56
BVss
57
DSP1GP9
58
GSP1GP10
59
~DSP2RST
60
DSP2BST
61
~CODECRST/~DSPPM
62
~DSP2HACN
63
DSP2HDOUT
64
~DSP2HCS
65
~ADPD
66
ADCDIV
67
VppEN
68
SPZ2
69
SPCS
70
SPF
71
Avdd
72
Avss
73
Avref
74
VOLH
75
~SD
TE
L 13942296513
76
~STEREO
77
INIT1
78
INIT2
79
INIT3
80
INIT4
81
PROTECT
82
THRM
83
SDET
84
RDSDA
85
RDSID
86
SYNC
87
~VSYNC
88
~POFF
89
~RDSCLK
90
~IRIN
91
~IRZ2
92
SEC1H
93
SUBRDY
94
SUBSDI
95
SUBSDO
96
SUBCLK
97
232RXD
98
232TXD
99
~SUBRST
100
YCSEPDA
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I/O
Description
O
Boot strap output pin for first DSP IC.
O
Serial communication clock output pin for Q302 and Q310.
I
Acknowledge input pin for first DSP IC.
O
PCM information output pin for first DSP IC.
Power supply pin (3.3V)
Ground pin
I
Information input pin to read bit stream information of first DSP IC.
I
Interrupter request input pin for first DSP IC
O
Reset signal output pin for second DSP IC Q703.
O
Boot strap output pin for second DSP IC.
O
Reset output pin for DIR IC and initializing of PLL of DSP IC
I
Acknowledge input pin for second DSP IC.
I
Serial communication data input pin for second DSP IC
O
Serial communication clock output pin for second DSP IC
O
Power down output pin for AD converter Q113,4.
O
Dividing control output pin for AD converter
O
Self-write power supply control pin
O
Speaker relay control output pin for zone 2
O
Speaker relay control output pin for center and surround channels
O
Speaker relay control output pin for front channels
Power supply pin (5V)
Ground pin
Reference voltage pin for A/D converter
I
Output voltage detection input pin of power amplifier
I
Broadcast detection input pin
I
Stereo broadcast detection input pin
I
Initializing pin
I
Initializing pin
I
Initializing pin
I
Initializing pin
I
Abnormal current and voltage detection input pin
I
Thermal detection input pin
I
S video detection input pin
I
Data input pin from RDS decoder
I
Signal input pin from RDS decoder
I
External synchronizing judgment input pin from OSD IC
I
Vertical synchronizing signal input pin
I
Power failure detection input pin
I
Clock input pin from RDS decoder
I
IR signal input pin
I
IR signal input pin for zone 2
O
Power supply control output pin for power amplifier
I
Ready input pin for sub-microprocessor
I
Serial communication data input pin for sub-microprocessor
O
Serial communication data output pin for sub-microprocessor
O
Serial communication clock output pin for sub-microprocessor
I
Not used.
O
Not used.
O
Reset output pin for sub-microprocessor
O
Not used.
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