TMP92FD54AI datasheet(32/84 Pages) TOSHIBA

32 / 84 page

2006-01-27

92FD54AI-32

TMP92FD54AI

Table 4.3.3 Single Boot program transfer format (for RAM transfer)

Number of

bytes

transferred

Data transferred from the

controller to the device

Baud rate

Data transferred from the device to

the controller

BOOT ROM 1st byte

Serial operation mode and baud rate

settings

For UART

86H

Desired baud

rate (Table

4.3.1(a))

⎯

2nd byte

⎯

ACK response for Serial Operation Mode

For UART

If normal (can be set)

86H

(If the device determines that the baud

rate cannot be set, it will stop operating.)

3rd byte

Operation command data

(10H)

⎯

4rth byte

⎯

ACK response for operation command *1

If normal

10H

If abnormal

× 1H

If communications error occurs

× 8H

5th byte

∼

16th byte

PASSWORD data (12 bytes)

(08FEF4H to 08FEFFH)

⎯

17th byte

CHECKSUM value for bytes 5 to 16

⎯

18th byte

⎯

ACK response to CHECKSUM value *1

If normal

10H

If abnormal

11H

If communications error occurs

18H

19th byte

RAM storage start address 31 to 24

⎯

20th byte

RAM storage start address 23 to 16

⎯

21st byte

RAM storage start address 15 to 8

⎯

22nd byte

RAM storage start address 7 to 0

⎯

23rd byte

RAM storage bytes 15 to 8

⎯

24th byte

RAM storage bytes 7 to 0

⎯

25th byte

CHECKSUM value for bytes 19 to 24

⎯

26th byte

⎯

ACK response for CHECKSUM value *1

If normal

10H

If abnormal

11H

If communications error occurs

18H

27th byte

∼

mth byte

RAM storage data

⎯

(m + 1) th byte

CHECKSUM value for bytes 27 to m

⎯

(m + 2) th byte

⎯

ACK response for CHECKSUM value *1

If normal

10H

If abnormal

11H

If communications error occurs

18H

RAM

(m + 3) th byte

⎯

JUMP RAM storage start address

*1: After returning an abnormal response the device waits for the operation command (third byte). In I/O

Interface Mode this ACK response is not generated.

*2: Write your program so that the data in bytes 19

to 25 is stored within the RAM address area 000400H to

0083FFH.

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