Microcomputer's Terminal Description - Kenwood KDC-MP819 Service Manual

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MICROCOMPUTER'S TERMINAL DESCRIPTION

3 7 63 1515 0
IC5 (SWITCH UNIT : X16-168X-XX)
Pin No. Pin Name
1 SC DATA
2 MC CLK
3 NC
4 DATA 1
5 CLK
6 NC
7 DATA 2
8 CLK IN
9 EVDD
10 EVSS
11 RED LED
12 GREEN LED
13 REMO
14 LATCH
15 GCP
16 REMO ON
17-19 NC
20 BLK
21 TEST
22-33 NC
34 RESET
TE
L 13942296513
35 XT1
36 XT2
37 REGC
38 X2
39 X1
40 VSS
41 VDD
42-47 NC
48 FL +3.3V
49 FL+B
50-55 NC
56 BLUE LED
57 NC
58 BVDD
59 BVSS
60-71 NC
72 SA RESET
73 NC
74 AVDD
75 AVSS
76 AVREF
77 F01
78 F02
79 F03
www 80 F04
81 F05
82 F06
83 WAVE IN
.
84 KR5
85 KR4
86 KR3
87 KR2
I/O Description
I/O Data input/output with the system MI-COM.
I Clock input from the system MI-COM.
O
O Data output 1 to the FL driver IC
O Clock output to the FL driver IC
O
O Data output 2 to the FL driver IC
I Clock input from the FL driver IC
- Positive power supply connection terminal
- Ground connection terminal
Illumination red ON/OFF output in case of two colours
O
/Illumination ON/OFF output in case of one colour
Illumination green ON/OFF output in case of two colours Lo: ON, Hi: OFF in case of two colours
O
/Not used in case of one colour
I Data input from the remote control light sensor
O Latch output to the FL driver IC
O Control pulse output to the FL brightness
Power supply ON/OFF output to the remote control
I/O
light sensor IC and BPF IC
O
O Display ON/OFF control output
I Test terminal
O
I Reset terminal
- Sub clock resonator connection terminal
- Sub clock resonator connection terminal
Capacitor connection terminal for regulator inside
-
microprocessor
- Main clock resonator connection terminal
- Main clock resonator connection terminal
- Ground connection terminal
- Positive power supply connection terminal
O
O FL VDD ON/OFF output
I/O FL+B ON/OFF output
O
I/O Source key LED ON/OFF output
O
- Positive power supply connection terminal
- Ground connection terminal
O
O Reset output to the BPF IC
O
- A/D converter positive power supply connection terminal Connected to P5V lines.
- A/D converter ground connection terminal
- A/D converter reference voltage input terminal
I BPF(63Hz) input
I BPF(150Hz) input
I BPF(330Hz) input
I BPF(1kHz) input
I BPF(3.3kHz) input
x ao
I BPF(10kHz) input y
I Audio input
i
I Key return 5 input
I Key return 4 input
I Key return 3 input
I Key return 2 input
KDC-MP819/X659/Z838
8
Not used(N.C.)
(Data shift by the rise edge of the pulse)
Not used(N.C.)
(Data shift by the rise edge of the pulse)
Connected to P5V lines.
Connected to GND lines.
Lo: ON, Hi: OFF
/Not used(N.C.) in case of one colour
Lo: Latch, Hi: Through
Lo: ON, Hi-z: OFF
Not used(N.C.)
Lo: Display OFF, Hi: Display ON
Not used(Connected to GND lines)
Not used(N.C.)
Lo: Reset, Hi: Reset release
Q Q
3 6 7 1 3
Not used(Pull down to GND lines)
Not used(N.C.)
Connected to GND lines.
Connected to P5V lines.
Not used(N.C.)
Lo: OFF, Hi: ON
Hi-Z: OFF, Hi: ON
Not used(N.C.)
Hi-Z: OFF, Hi: ON
Not used(N.C.)
Connected to P5V lines.
Connected to GND lines.
Not used(N.C.)
Hi: Reset
Not used(N.C.)
Connected to GND lines.
u163
.
2 9 9 4 2 8
Processing Operation
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9
5