MB-S1
MB-S1
MICROPROCESSOR TERMINAL DESCRIPTION
Q7502: MPD780232GC-052-8BT
FUNCTION
I/O
LOGIC
INIT
ACTIVE
SLEEP
P-OFF
DESCRIPTION
PIN NO.
1
Vdd1
-
-
+ 5V power supply
-
-
-
-
2
Vss1
-
-
GND
- - -
-
3
X2
-
-
Main clock (5MHz) input terminal
-
-
-
-
4
X1
-
-
Main clock (5MHz) input terminal
-
-
-
-
5
GND
-
-
GND
- - -
-
6
RESET
-
-
microprocessor reset terminal
-
-
-
-
7
SUBCL/SCK
I
L
Main microprocessor communication and a flash write-in clock input combination terminal
Z
Z
Z
Z
8
SUBDI/SDI
I
P
Main microprocessor communication and a flash write-in data input combination terminal
Z
Z
Z
Z
9
SUBDO/SDO O
P
Main microprocessor communication and a flash write-in data output combination terminal
L
*
L
L
10
SUBRDY
O
H
The data ready output terminal for communication with a main microprocessor
L
*
L
L
11
NC
O
No use
12
PHOTO
I
H
Photography mode
13
SSCBJ
I
L
SSC rotary encoder pulse input terminal
Z
Z
Z
Z
14
SSCAJ
I
H
SSC rotary encoder pulse input terminal
Z
Z
Z
Z
15
~IRMZ
I
L
"Remote control 1 (ZONE2) signal input terminal Active""L"" "
Z
Z
Z
Z
16
FAVORITE
O
FAVORITE Light Emitting Diode output terminal
17
STBYLED
O
STANDBY/RECEIVED output terminal
18
GND
-
-
The GND terminal of a A/D converter
-
-
-
-
19-22
K3-K0
I
A
Main part key input terminal
-
-
-
-
23
Vss0
-
-
GND
- - -
-
24
+5V
-
-
The power supply terminal of a A/D converter and +5V are impressed
-
-
-
-
25
Vdd0
-
-
+ 5V power supply
-
-
-
-
26
~SYSIN
I
L
System bath input terminal
Z
Z
Z
Z
27
~SYSOUT
O
L
System bath output terminal
H
*
L
Z
28-54
P35-P9
O
H
Fluorescence display pipe segment output terminal
L
*
L
L
55-58
P8-P5
-
-
Fluorescence display pipe segment output terminal
-
-
-
-
59
Vdd2
-
-
+ 5V power supply
-
-
-
-
60
Vload
-
-
The pull down resistance connection terminal of a FIP controller
-
-
-
-
61-64
P4-P1
-
-
Fluorescence display tube segment output terminal
-
-
-
-
65-80
16G-1G
-
-
Fluorescence display tube output terminal