Philips CEM2100/00 Service Manual page 381

RPENA
BLANK
Some operation commands are limited by the flash memory status code 1. If the security program is enabled, flash
memory writing mode command and RAM loader mode command can not be executed. Erase all flash memory
before executing these command.
Flash Memory
RPENA BLANK
Writing Mode
0 0 m
0 1 Pass
×
1 0
×
1 1
Note: : The command can be executed.
m
Pass: The command can be executed with a password.
×:
The command can not be executed.
(After echoing the command back to the external controller,
the halt condition.)
Flash memory security 0:
program status 1:
The status from FFE0H 0:
to FFFFH. 1:
Flash memory
RAM Loader
SUM
Mode
Output Mode
m m
Pass m
×
m
×
m
Page 259
Security program is disabled.
Security program is enabled.
All data is FFH in the area from FFE0H to FFFFH.
The value except FFH is included in the area from FFE0H to FFFFH.
Product Flash Memory
ID Code Output Status Output
Mode Mode
m m
m m
m m
m m
T5CL8
stops UART communication and enters
T5CL8
Flash Memory
Erasing Mode
Security pro-
gram Setting
Sec-
Chip
Mode
tor
Erase
Erase
×
m
Pass Pass
× ×
m
×
Pass Pass