ICE CONTROL SOFTWARE ICS62XX

Different types of breaks are described below.

(1)Reset switch:

Need not be in break mode to break. Used to reset the ICE; does not display the target register during break.

(2)Break switch:

Need not be in break mode to break. evaluation board CPU register is properly displayed during break.

(3)ESC key:

Break induced by ESC key input from the host. Need not be in break mode to break. Evaluation board CPU register is properly displayed during break.

(4)Break set command:

Break induced when CPU conditions and conditions set by BA, BD, BR or BM commands agree. Causes a break in break enable mode and break stop mode, but does not cause break in break disable mode. Cannot be set in break trace mode after completion of the instruction.

Table 2.3.2.1 shows the break modes and break types.

 

 

Table 2.3.2.1

Break modes and break types

 

 

 

 

 

Item

Break mode

Break method

 

Description

 

 

 

 

 

1

Break enable

* Reset switch

 

Normal use mode.

 

& break stop

* Break switch

 

Start up mode at power on.

 

 

* ESC key

 

Evaluation board CPU runs in real time by entering

 

 

* Break instruction

 

GO command after setting this mode.

2

Break enable

* Reset switch

 

Activates the break trace function.

 

& break trace

* Break switch

 

This mode is set by the BE command or BT command.

 

 

* ESC key

 

Register data is displayed when the evaluation board CPU

 

 

 

 

agrees with the conditions set by the break set instruction.

 

 

 

 

Evaluation board CPU does not run in real time when

 

 

 

 

GO command is entered after setting this mode.

3

Break disable

* Reset switch

 

The SYNC output function is executed.

 

& break stop

* Break switch

 

A pulse is output to the SYNC pin via the BSYN

 

 

* ESC key

 

command when the CPU agrees with the condition

 

 

 

 

set by the break set instruction.

 

 

 

 

Evaluation board CPU runs in real time by entering

 

 

 

 

GO command after setting this mode.

4

Break disable

____

 

Automatically sets to break disable and break trace.

 

& break trace

 

 

Break enable mode is automatically set when break

 

 

 

 

trace is set.

S1C62 FAMILY

EPSON

VIII-11

DEVELOPMENT TOOL REFERENCE MANUAL