Sony DNE-1000 Maintenance Manual page 32

1-9. Switch Settings on Boards and LEDs Description
DN400 and DN401 (B1) : 7-segment LEDs
The two 7-segment LEDs to indicate the operation status
are mounted on the CPU-211 board. For the indicated
operation codes by them, refer to below.
00 ; C-CPU idle
The C-CPU starts up and waits for the processing.
61 ; Loading C-CPU
During downloading the program from PC to C-CPU.
62 ; Loading D-CPU
During downloading the program from PC to D-CPU.
63 ; Loading E-CPU
During downloading the program from PC to E-CPU.
64 ; Loading P-CPU
During downloading the program from PC to P-CPU.
65 ; Load end
The downloading of the program is completed.
E1 ; Load error C-CPU
When downloading to the C-CPU, an error occurs.
E2 ; Load error D-CPU
When downloading to the D-CPU, an error occurs.
E3 ; Load error E-CPU
When downloading to the E-CPU, an error occurs.
E4 ; Load error P-CPU
When downloading to the P-CPU, an error occurs.
70 ; RESET
During resetting.
F0 ; RESET error
Some of all D-CPUs, E-CPUs and P-CPUs are not
accessed from the C-CPU when resetting. (Some
CPUs that do not run exist.)
F1 ; External interrupt
The interrupt (INT3) that may not occur occurs at the
C-CPU.
F2 ; Not used.
F3 ; Not used.
1-26(E)
F4 ; Not used.
F5 ; Address error exception (Load or fetch instruction)
The address error occurs by loading the data at the C-
CPU or fetching the instructions.
F6 ; Address error exception (Store)
When storing the data, the address error occurs at the
C-CPU.
F7 ; Bus error exception (For fetch instruction)
When fetching the instructions, the bus error occurs
at the C-CPU.
F8 ; Bus error exception (For data load or store)
The bus error occurs during loading or storing the
data at the C-CPU.
F9 ; SYSCALL exception
The incorrect system call occurs at the C-CPU.
FA ; Breakpoint exception
The incorrect interrupt to breakpoint occurs at the C-
CPU.
FB ; Reserved instruction exception
The C-CPU is carried out the reserved undefinition
instructions.
FC ; Co-processor unusable exception
The unusable processor that is not selected at the C-
CPU is used.
FD ; Arithmetic overflow exception
When carrying out the ADD, ADDI, SUB and SUBI
instructions at the C-CPU, the overflow occurs.
FE ; Reserved (Unexpected exception)
The incorrect exception occurs at the C-CPU.
FF ; Not used.
DNE-1000