Schematic Diagrams; Board (Option Board For Svt-Rs100); Ic002 Interface Mpu Pin Function Table - Sony SVT-RA40 Service Manual

Section 7

Schematic Diagrams

CT-1 Board (Option Board for SVT-RS100)
Interface
UPD78F0034AGK-P01-3BA
SVT-RA40/RA168
A B
CT-1
1
2
3
4
5
7-1
C D
CT-1

IC002 Interface MPU Pin Function Table

48 33
49 32
64
17
1 16
N . o N a m e I O / H L / S g i n l a F u n t c
2 232C/485 I - Signal to use RS232C or RS485. (232C=low)
8 - Enable signal to RS485 data out.
R485 OUT E. O
9 - Ground terminal.
GND -
10 - - Always 5V
ALW 5V
Data from system control IC.
18 -
TRS DATA I
(Transferring signal data)
19 - Data to system control IC. (Return signal data)
RTS DATA O
20 RTS CLK O - Clock signal to system control CPU.
21 RS232C/485 IN I - Data from controller. (Through RS232C or RS485)
22 RS232C/485 OUT O - Data to controller. (Through RS232C or RS485)
23 RST O - Return signal to controller.
24 ALW 5V - - Always 5V
-
25 GND - Ground terminal.
36 L Initial reset terminal for this IC.
RESET I
-
34 - Ground terminal.
GND
-
35 ALW 5V -
Always 5V
40
- -
CF IC clock OSC terminal. 8.38MHz
41
7-1
o i n
R2348WA_IC002