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