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KDC-MP925/W8027
9
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Description / Processing Operation
38 VSS - GND
39~42 KI1~KI4 I Key return input terminal
43 FLGCP2 O FL bright control terminal
44 NC - NC
45 SYS TX I DATA input from system microprocessor
46 SYS RX O DATA output to system microprocessor
47 FL CLK3 O Clock output to FL driver
48 KI5 I Key return input terminal (SRC, OPEN, EJECT interrupt port)
49 FL DATA3 O DATA output to FL driver
50 SCK1 I Clock input from FL driver
51 NC - NC
52 FL DATA2 O DATA output to FL driver
53 CLK IN1 I Clock input from FL driver
54 NC - NC
55 FL DATA1 O DATA output to FL driver
56 3.3VDD - AVR (3.3V)
57,58 X2/X1 - Main clock (5MHz)
59~61
CVSS/CKSEL/PSEL
- GND
62 2.5V VDD - AVR 2.5V
63 VSS - GND
64,65 MODE0,1 - GND
66 PAN RST I Reset signal request form system microprocessor (L : Reset)
67 VREF - Connect to 83PIN (VREF)
68,69 NC - NC
70,71 AVSS1,0 - GND
72 VREF - Connect to 83PIN (VREF)
73 WAVE IN I Audio signal input terminal
74 F06 I Spectrum analyzer input terminal (BPF 10KHz)
75 F05 I Spectrum analyzer input terminal (BPF 3.3KHz)
76 F04 I Spectrum analyzer input terminal (BPF 1KHz)
77 F03 I Spectrum analyzer input terminal (BPF 330Hz)
78 F02 I Spectrum analyzer input terminal (BPF 150Hz)
79 F01 I Spectrum analyzer input terminal (BPF 63Hz)
80 NC - NC
81 2.5V VDD - AVR 2.5V
82 VSS - GND
83 VREF CON O VREF control terminal (Connect to VREF terminal)
84 NC - NC
85 FLGCP3 O FL bright control terminal
86 NC - NC