tmp89fh42l TOSHIBA Semiconductor CORPORATION, tmp89fh42l Datasheet - Page 397

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tmp89fh42l

Manufacturer Part Number
tmp89fh42l
Description
8 Bit Microcontroller Tlcs-870/c1 Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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RA003
22.12.4
Table 22-23 Option Codes and Recommended Security Program Settings
In quantity production
At the time of debug-
ging during software
Note 1: In parallel PROM mode, Chip Erase can be performed irrespective of the option code setting.
Note 2: If the security program is not enabled in parallel PROM mode, ROM data can be read with no restrictions. Make sure that
development
Table 22-23 shows the option codes and recommended security program settings.
Recommended settings
in parallel PROM mode, you always enable the security program to protect ROM data.
EPFC_OP
Other than
(0xFFFA)
0xFF
0xFF
0xFF
Device status
DAFC_OP
Other than
Other than
(0xFFFB)
0xFF
0xFF
0xFF
0xFF
0xFF
Security Pro-
Disable
Enable
gram
Page 383
Impossible
Password
string re-
Memory
quired
Serial PROM mode
read
Password
string re-
Possible
Possible
quired
Erase
Impossible
Memory
Possible
Parallel PROM mode
read
Possible
Possible
Erase
TMP89FH42L
Can be used
Can be used
Can be used
Cannot be
Cannot be
OCD
used
used

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