tmp88fw45afg TOSHIBA Semiconductor CORPORATION, tmp88fw45afg Datasheet - Page 274

• Manufacturer Part Number: tmp88fw45afg
• Description: 8 Bit Microcontroller Tlcs-870/x Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

21.12
Flash Memory Status Code
RPENA
Status Code 1
memory writing mode command and RAM loader mode command can not be executed. Erase all flash memory before
executing these command.
0
0
1
1
Some operation commands are limited by the flash memory status code 1. If the security program is enabled, flash
Note:O: The command can be executed.
BLANK
Pass: The command can be executed with a password.
×: The command can not be executed.
(After echoing the command back to the external controller, TMP88FW45AFG stops UART communication and
enters
the halt condition.)
0
1
0
1
7
Flash Memory
Writing Mode
Table 21-18 Flash Memory Status Code
RPENA
BLANK
Data
2nd
3rd
Pass
1st
4th
5th
6th
7th
O
×
×
6
Checksum of the transferred data (2’s compliment for
Flash memory read se-
curity program status
The status from FFFE0H
to FFFFFH.
Transferred data count (3rd through 6th byte)
RAM Loader
5
Mode
the sum of 3rd through 6th data)
Pass
O
×
×
Reserved data
Reserved data
Reserved data
4
Status code
Description
Start mark
Flash memory
Output Mode
SUM
O
O
O
O
0:
1:
0:
1:
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3
Security program is disabled.
Security program is enabled.
All data is FFH in the area from FFFE0H to FFFFFH.
The value except FFH is included in the area from FFFE0H to FFFFFH.
ID Code Output
2
Product
Mode
O
O
O
O
RPENA
1
3rd byte
00H
01H
02H
03H
(See figure below)
Flash Memory
TMP88FW45AFG
Status Output
In the Case of
00H to 03H
BLANK
Mode
O
O
O
O
3AH
0
04H
00H
00H
00H
checksum
(Initial Value: 0000 00**)
FDH
FFH
FEH
00H
Flash Memory
Erasing Mode
Pass
Pass
O
O
TMP88FW45AFG
Security pro-
gram Setting
Mode
Pass
Pass
×
×