-67-
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97, 98
99, 100
101
102
103
104
114
115
116
117
118
USDA
UML
UMC
UMD
__________________
WDTOVF
______________
RESET
NMI
___________
STBY
VCC
XTAL
EXTAL
VSS
fO
VCC
______
AS
______
RD
__________
HWR
__________
LWR
____________
WAIT
PFO
HRST
UC17, 16
VSS
UC15
TEST MUTE
AVCC
VREF
VSS
A_RESET
RGB/YC
KARAOKE
CS-KARAOKE
I/O
O
O
O
O
I
I
I
I
I
I
I
—
I
—
O
O
O
O
—
O
—
I
—
O
I
I
I
I
I
I
I
I
I
I
O
O
O
O
I
2
C data input/output terminal for EERROM, video encoder IC.
Data enable signal output terminal for AUDIO DAC IC control.
Clock for AUDIO DAC IC control.
Data output terminal for AUDIO DAC IC control.
Watch dog timer overflow signal output terminal.
Micro processor reset input terminal.
Fixed is to “H”.
Power input terminal. EVER 5 V.
Crystal oscilator input terminal. 20 MHz.
GND.
Not used. (System clock output for external device.)
Power input terminal. EVER 5 V.
Not used. (Address strobe.)
Lead signal output terminal for bus control.
“H” write signal output terminal for bus control.
“L” write signal output terminal for bus control.
Bus request output terminal.
Not used. (Bus request acknowlege.)
Reset signal output terminal for LOADER.
Not used.
GND.
Not used.
Q SURROUND IC control terminal. ON = H OFF = L.
Power supply input terminal for A/D. EVER 5V.
Reference voltage input terminal for A/D. EVER 5V.
Not used. (ECOH VOL input terminal for KARAOKE)
NTSC/PAL Switch jumper for REGION.
LOADER READY signal input terminal.
Not used. (Changeover SW to NTSC/PAL)
Not used. (Error signal to CD DSP)
Not used. (Emphasis signal to CD DSP)
Voltage output for S2 terminal. S1 = 5V S2 = 2.5 V Normally = 0 V.
GND.
Not used. (Reset signal for 5.1ch DEC)
Not used. (Switch signal to RGB/YC)
Not used. (Switch signal to ON/OFF to KARAOKE DSP)
Not used. (Chip select signal for KARAOKE)
Pin No.
Pin Name
I/O
Description
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
