Kenwood KDC-9023R Service Manual page 13

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MICROCOMPUTER'S TERMINAL DESCRIPTION
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Pin No. Pin Name
59 PAN RST
60 CKSEL
61 3.3V VDD
62 X2
63 X1
64 VSS
65 FL CLK
66 NC
67 FL DATA2
68 CLK IN
69 NC
70 FL DATA1
71 AVREF
72 VSS
73 NC
74 WAVE IN
TE
75 F06
L 13942296513
76 F05
77 F04
78 F03
79 F02
80 F01
81 3.3V VDD
82 VSS
83 VREF CON
84 SA RST
85 REMO ON
86 NC
87 3.3V SW
88 FL3.3V SW
89 FL+B SW
90 BLUE LED
91~94 NC
95 OE/RD
96 WE/WR
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97 UWE/LWR
98 3.3V VDD
.
99 VSS
I/O Purpose / Description
-
- Clock generator operation mode.
- PAN 3.3V
- Main clock
- main clock
- Vss
O Clock output to FL driver.
O
O Data output to FL driver.
I Clock input from FL driver.
O
O Data output to FL driver.
- AVREF
- Vss
I
I Audio input.
I BPF (10kHz)
I BPF (3.3kHz)
I BPF (1kHz)
I BPF (330Hz)
I BPF (150Hz)
I BPF (63Hz)
- PAN 3.3V
- Vss
O VREF control.
O Spectrum analyzer IC reset.
I/O Remote control IC power ON/OFF.
O
I/O 3.3V ON/OFF.
I/O FL3.3V ON/OFF.
I/O FL+B ON/OFF.
O Blue LED ON/OFF.
O
I/O SRAM, ROM output enable.
I/O SRAM Write/Read.
I/O SRAM Write/Read.
x ao u163
y
PAN 3.3V
i
Vss
2 9
8
Connect to GND
5MHz
5MHz
Communication speed : 3.125MHz
Output : L
Connect to 65 pin (Write : CLK).
Reset, low current consumption mode : FL CLK output "L"
Output : L (Write : SI)
(Write : SO)
Connent to GND
A/D input is not over maximum voltage by 33kΩ resistor pull-down.
Q Q
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
3 6 7 1 3 1 5
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
Connect to AVREF
H : Reset, L : Normally (Spectrum analyzer IC'RST : 1.8V or more)
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 500µs)
Output : L
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 250µs)
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 500µs)
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 35µs)
H : ON, L : OFF
Output : L
L : Data communication, Hi-Z : Standby
L : Data writing, Hi-Z : Standby
L : Data writing, Hi-Z : Standby
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KDC-9023R
/PSW9524/X969
9 4 2 8
Procesing Operation
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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