tmp86fp24 TOSHIBA Semiconductor CORPORATION, tmp86fp24 Datasheet - Page 201

• Manufacturer Part Number: tmp86fp24
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Example
PNSA
PCSA
Password string
(Password comparison start address)
(Password count storage addresses)
UART
Table 2.18.14 Password Setting in the Blank Product and Non Blank Product
4012H
4107H
Setting of password
Note 1: When all data of addresses from FFE0H to FFFFH area are “00H” or “FFH”, the
Note 2: The same three or more bytes consecutive data can not be used as password.
Note 3: *: Don’t care
Note 4: When the password doesn’t match the above condition, the password error occurs.
Note 5: In case of the blank product, the device receives Intel Hex Format immediately after
(Password count)
Password
RXD pin
PNSA
PCSA
01H, 02H, 03H, 04H, 05H, 06H,
07H, 08H
N
device is judged as blank product.
When the password includes the same consecutive data (Three or more bytes), the
password error occurs. If the password error occurred, the UART function of device
stops without returning error code.
If the password error occurred, the UART function of device stops without returning
error code.
receiving PCSA without receiving password strings. In this time, because the device
ignores the data except the start mark data (3AH for “:”) as Intel Hex Format data,
even if external controller transmitted dummy password strings, process operates
correctly. However, if the dummy password strings contain data “3AH”, the device
detects it as start mark data mistakenly, and device stops process without returning
error code. Therefore, if these process becomes issue, the external controller
should not transmit the dummy password strings.
Figure 2.18.6 Example of password compare
40H 12H 41H 07H 01H 02H 03H 04H 05H 06H 07H 08H
PNSA
86FP24-199
4000H ^ PNSA ^ FF9FH
4000H ^ PCSA ^ FF9FH
PCSA
Blank Product (Note 1)
410CH
410DH
410EH
410AH
410BH
4012H
4107H
4108H
4109H
No need
FLASH memory
*
06H
07H
08H
08H
01H
02H
03H
04H
05H
Password string
“08H” is treated
as the number of
password.
8 bytes
4000H ^ PCSA ^ FFA0 N
4000H ^ PNSA ^ FF9FH
Non Blank Product
Need (Note 2)
Comparison
8 ^ N
TMP86FP24
2007-08-24