6 Special Circuit Descriptions
6-6
SAM4S ER-600 SERIES
6-4 RS-232C & IRC Communication Block Diagram
The CPU is used for serial communication 1,2. And also RS-232C Driver(MAX232), is used to serial communication.
Show following block diagram
Figure 6-7 RS-232C and IRC Communication Block Diagram
Figure 6-8 RS-232C Waveform
CONTROL
CPU
M306800SFP
D-SUB9
RJ-45
Modular 6P
SERIAL #1 2
MAX232
DRIVER
MAX232
DRIVER
IRC
DRIVER
SERIAL #3 4
TXD1,RXD1,DTR1,DSR1
TXD2,RXD2,DTR2,DSR2
T/RXD+,T/RXD-
TRANSMIT ACTION(ECR)
RECEIVE ACTION(ECR)
HOST BUSY
ECR checks whether the host is BUSY.
ECR transmits a data
HOST NOT BUSY
RXD(
←
)
PC
ECR
DTR(
→
)
DSR
TXD
HOST BUSY
ECR BUSY
HOST checks whether the ECR is BUSY.
HOST transmits a data
ECR NOT BUSY
TXD(
→
)
PC
ECR
DSR(
←
)
DTR
RXD
ECR BUSY
Note]
This is a RS232C H/W Handshaking Waveform between ECR and PC.
RS-232C H/W Handshaking method is different between ECR and other peripheral and terminal equipment.
Содержание ER-600
Страница 48: ...8 Exploded Views and Parts List 8 6 SAM4S ER 600 SERIES MEMO...
Страница 49: ...SAM4S ER 600 SERIES 9 1 9 PCB Layout and Parts List 9 1 Main PCB Layout 9 1 Component Side View PCB JK41 10549A...
Страница 54: ...9 PCB Layout and Parts List 9 6 SAM4S ER 600 SERIES MEMO...
Страница 55: ...SAM4S ER 600 SERIES 10 1 10 Block Diagram 10 1 ER 600...
Страница 56: ...10 Block Diagram 10 2 SAM4S ER 600 SERIES MEMO...
Страница 58: ...11 Wiring Diagram 11 2 SAM4S ER 600 SERIES 11 2 Wiring Diagram Figure11 1 Wiring Diagram...
Страница 68: ...Shin Heung Precision FEBRUARY 2004 Printed in KOREA V1 1 Code No JK68 60935A...
