TMP89FS60 datasheet(358/410 Pages) TOSHIBA

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Page 344

22. Serial PROM Mode

22.8 Operation Commands

TMP89FS60

RA002

22.8.4 RAM loader command (operation command: 0x60)

Table 22-10 shows the transfer formats of the RAM loader command.

Note 1: "0x**

× 3" means that the device goes into an idle state after transmitting 3 bytes of 0x**. For further information, refer to

Table 22-18.

Note 2: For information on the Intel Hex format, refer to "22.11 Intel Hex Format (Binary)". For information on checksums, refer to

"22.10 Checksum (SUM)". For information on passwords, refer to "22.12.1 Passwords".

Note 3: If the area 0xFFE0 through 0xFFFF is all 0xFF, password authentication is not performed and, therefore, the password

string need not be transmitted. The password count storage address and password comparison start address, however,

must be specified, even for a blank product. If the password count storage address and/or password comparison start

address are/is incorrect, a password error occurs; the TMP89FS60 stops communication and goes into an idle state.

Therefore, if a password error occurs, initialize the TMP89FS60 by using the RESET pin, and restart the serial PROM

mode.

Table 22-10 Transfer Formats of the RAM Loader Command

Transfer byte

Transfer data from the external controller to

TMP89FS60

Baud rate

Transfer data from TMP89FS60 to the

external controller

BOOT

ROM

1st byte

2nd byte

Matching data 1 (0x86 or 0x30)

Automatic adjustment

Baud rate after adjustment

- (Automatic baud rate adjustment)

OK: Echo back data (0x86 or 0x30)

Error: No data transmitted

3rd byte

4th byte

Matching data 2 (0x79 or 0xCF)

Baud rate after adjustment

OK: Echo back data (0x79 or 0xCF)

Error: No data transmitted

5th byte

6th byte

Operation command data (0x60)

Baud rate after adjustment

OK: Echo back data (0x60)

Error: 0xA1

× 3, 0xA3 × 3, 0x63 × 3 (note 1)

7th byte

8th byte

Password count storage address 23 to 16

Baud rate after adjustment

OK: No data transmitted

Error: No data transmitted

9th byte

10th byte

Password count storage address 15 to 08

Baud rate after adjustment

OK: No data transmitted

Error: No data transmitted

11th byte

12th byte

Password count storage address 07 to 00

Baud rate after adjustment

OK: No data transmitted

Error: No data transmitted

13th byte

14th byte

Password comparison start address 23 to 16

Baud rate after adjustment

OK: No data transmitted

Error: No data transmitted

15th byte

16th byte

Password comparison start address 15 to 08

Baud rate after adjustment

OK: No data transmitted

Error: No data transmitted

17th byte

18th byte

Password comparison start address 07 to 00

Baud rate after adjustment

OK: No data transmitted

Error: No data transmitted

19th byte

m-th byte

Password string

Baud rate after adjustment

OK: No data transmitted

Error: No data transmitted

m-th + XX byte

n-th - 2 byte

Intel Hex format (binary)

Baud rate after adjustment

n-th - 1 byte

Baud rate after adjustment

OK: Checksum (high) (note 3)

Error: No data transmitted

n-th byte

Baud rate after adjustment

OK: Checksum (low) (note 3)

Error: No data transmitted

RAM

The program jumps to the start address of RAM in which the first transferred data is written, and executes itself.

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