Computer Hardware User Manual

483
10-3-24 STATUS WRITE –– SC
Changes the PC operating mode.
Command Format
@ SC
x 10
0
x 10
1
x 16
1
x 16
0
↵

Node no. Header
code
TerminatorFCS
Mode data
Response Format
@ SC
x 10
0
x 10
1
x 16
1
x 16
0
 ↵
TerminatorFCS
Node no. Header
code
End code
“Mode data” consists of two digits (one byte) hexadecimal. With the leftmost two
bits, specify the PC operating mode. Set all of the remaining bits to “0.”
RUN mode
7
6543210
000000
10
00
10
1
1
x 16
1
PROGRAM mode
MONITOR mode
Bit
Bit Operation mode
This area is different
from that of STATUS
READ.
x 16
0
PC Settings
PC Mode UM Area
RUN MONITOR PROGRAM Write-protected Read-protected
OK OK OK OK OK
Execution Conditions
Commands Responses
Single Multiple Single Multiple
OK --- OK ---
End Codes An end code of 14 (format error) will be returned if the length of the command is
incorrect.
End code Contents
00 Normal completion
13 FCS error
14 Format error
15 Entry number data error
18 Frame length error
19 Not executable
Host Link Commands
Section 10-3