KD-LH3150, KD-LH3100
1-40 (No.49838)
4.14 MN102H60KCG (IC801) : LCD display sub CPU
• Pin layout
• Pin function
1
25
26
50
75
51
100
76
Pin No.
Symbol
I/O
Function
1
RES
O
LCD reset output
2
RE
O
Read enable output for extension memory
3
WE
O
Write enable output for extension memory
4
VccWCNT
O
Writing voltage control for external ROM
5
RY/BY
I
Read/Busy input for extension memory
6
CS1
O
Chip select1 output for extension memory
7
NC
O
Not use
8
SWLED4
O
SW_LED flashing output 4 for [PRESET1-6] key LED
9
SWLED5
O
SW_LED flashing output 5 for [[SEEKDOWN] key LED
10
SWLED6
O
SW_LED flashing output 6 for [[DISCDOWN] key LED
11
NC
O
Not use
12
/WORD
I
Bus width setting for extension memory (H: 8-bit width)
13 to 16
A0 to A3
O
Extension memory output 0 to 3
17
VDD
-
Power supply
18
NC
O
Base clock output
19
GND
-
Ground
20
XI
I
Connect to ground
21
NC
O
Not connect
22
VDD
-
Power supply
23
OSCI
I
Crystal connecting terminal (25MHz)
24
OSCO
O
Crystal connecting terminal (25MHz)
Mode setting input, pull up (H: memory extension mode)
Extension memory output 4 to 11
Analog power supply
Extension memory output 12 to 19
Analog reference power supply, connect to ground
Extension memory output 20
Thermal fuse input
Audio level input for spectrum analyzer
47
WDOUT
O
Watch dog timer over flow output (H: over flow)
48
PON
O
Power on output
49
RD
O
LCD read strobe output
50
LCDCLK
O
LCD driver clock output (300kHz)
51
WR
O
LCD write strobe output
52,53
NC
-
Not use
54
VREF+
-
Analog reference power supply, connect to AVDD
55
RS
O
LCD regist select output
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