– 99 –
1 to 4
DATA0 to DATA3
I/O
Two way data bus to the system controller (IC400) and CD mechanism controller (IC600)
5
CLK OUT
O
Clock signal output to the system controller (IC400) and CD mechanism controller (IC600)
6, 7
NC
I
Not used (fixed at “L”)
8
AC CUT
I
Power down detect signal input terminal
“L”: Power down
9
VSS
–
Ground terminal
10
X2
O
Main system clock output terminal (5 MHz)
11
X1
I
Main system clock input terminal (5 MHz)
12
VDD
–
Power supply terminal (+5 V)
13
XT2
O
Sub system clock output terminal
Not used (open)
14
XT1
I
Sub system clock input terminal
Not used (fixed at “L”)
15
RESET
I
System reset signal input from the reset signal generator (IC400)
“L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
16
CLK IN
I
Clock signal input from the system controller (IC400) and CD mechanism controller (IC600)
17
BUSY
O
Busy signal output to the system controller (IC400) and CD mechanism controller (IC600)
18
SENSOR1
I
Detection input from the elevator position sensor (D1)
19 to 22
NC
I
Not used (fixed at “L”)
23
AVDD
–
Power supply terminal (+5 V) (for A/D converter section, analog system)
24
AVREF0
I
Reference voltage input terminal (for A/D converter)
25 to 28 KEY0 to KEY3
I
Key input terminal
Not used (fixed at “H”)
29
PARA/UART
I
Input terminal for SERIAL/UART setting
“L”: SERIAL, “H”: UART (fixed at “L” in this set)
30
3/5
I
Input terminal for MD changer type setting
“L”: 3 discs, “H”: 5 discs (fixed at “L” in this set)
31
FL14
I
Input terminal for figure number setting of display
“L”: 14 figures, “H”: 13 figures (fixed at “L” in this set)
32
SLAVE
I
Input terminal for separate/complete type setting of MD section and other sections
“L”: complete type, “H”: separate type (fixed at “L” in this set)
33
AVSS
–
Ground terminal (for A/D converter)
34
LOADING D/A
O
D/A output terminal for loading motor drive signal
Not used (open)
35
ELEVATOR D/A
O
D/A output terminal for elevator motor drive signal
Not used (open)
36
AVREF1
I
Reference voltage input terminal (+5 V) (for D/A converter)
37
RXD (UART)
I
UART data input terminal
Not used (fixed at “L”)
38
TXD (UART)
O
UART data output terminal
Not used (open)
39
NC
I
Not used (fixed at “L”)
40
VSS
–
Ground terminal
41
NC
I
Not used (fixed at “L”)
42
FL DATA
O
Serial data output terminal to display
Not used (open)
43
FL CLK
O
Clock signal output terminal to display
Not used (open)
44
FL CS
O
Chip enable signal output terminal to display
Not used (open)
45
FL RST
O
Reset signal output terminal to display
Not used (open)
46
RXD
I
UART data input terminal from the MD mechanism controller (IC316)
47
TXD
O
UART data output terminal to the MD mechanism controller (IC316)
48
SCK
O
Clock signal output terminal to the MD mechanism controller (IC316)
49
MASTER BUSY
O
Busy signal output terminal to the MD mechanism controller (IC316)
“L”: busy
50
MEC-BUSY
I
Busy signal input terminal from the MD mechanism controller (IC316)
“L”: busy
51
MECHA RESET
O
Reset signal output terminal to the MD mechanism controller (IC316)
“H”: reset
52
SENSOR2
I
Detection input from the elevator position sensor (D2)
53
NC
I
Not used (fixed at “L”)
54
LED DIGITAL
O
LED drive signal output terminal for DIGITAL indication
Not used (open)
55
LED ANALOG
O
LED drive signal output terminal for ANALOG indication
Not used (open)
56
LED MONO
O
LED drive signal output terminal for MONO indication
Not used (open)
• SUB BOARD IC500 µPD78078GF-075-3BA (MASTER CONTROLLER)
Pin No.
Pin Name
I/O
Function
Summary of Contents for HCD-MD515 - Component For Dhcmd515
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