TMP92FD54AI datasheet(34/84 Pages) TOSHIBA

34 / 84 page

2006-01-27

92FD54AI-34

TMP92FD54AI

Table 4.3.5 Boot program transfer format (for reading product information) (1/2)

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

⎯

2nd byte

⎯

Desired baud

rate (Table

4.3.1(a))

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

(30H)

⎯

4th byte

⎯

ACK response for operation command *1

If normal

30H

If abnormal

X1H

If communication error occurs

X8H

5th byte

⎯

Flash memory data (address 08FEF0H)

6th byte

⎯

Flash memory data (address 08FEF1H)

7th byte

⎯

Flash memory data (address 08FEF2H)

8th byte

⎯

Flash memory data (address 08FEF3H)

9th byte

∼

20th byte

⎯

Product name (ASCII code, 12 bytes)

“TMP92FD54AI ” beginning at the 9th byte

21st byte

∼

24th byte

⎯

Password comparison start address (4 bytes)

F4H, FEH, 08H and 00H beginning at the 21st

byte

25th byte

∼

28th byte

⎯

RAM start address (4 bytes)

00H, 04H, 00H and 00H beginning at the 25th

byte

29th byte

∼

32nd byte

⎯

RAM user area end address (8 bytes)

FFH, 6BH, 00H and 00H beginning at the 29th

byte

33rd byte

∼

36th byte

⎯

RAM end address (4 bytes)

FFH, 83H, 00H and 00H beginning at the 33rd

byte

37th byte

∼

44th byte

⎯

Dummy data (8 bytes)

00H, 00H, 00H and 00H

45th byte

∼

46th byte

⎯

Dummy data (2 bytes)

00H and 03H beginning at the 45th byte

47th byte

∼

50th byte

⎯

Flash memory start address (4 bytes)

00H, 00H, 01H and 00H beginning at the 47th

byte

51st byte

∼

54th byte

⎯

Flash memory end address (4 bytes)

FFH, FFH, 08H and 00H beginning at the 51st

byte

55th byte

∼

56th byte

⎯

Flash memory block divisions information

(2 bytes)

0AH and 00H beginning at the 55th byte

57th byte

∼

60th byte

⎯

Start address of flash memory block of the

same size (4 bytes)

00H, 00H, 01H and 00H beginning at the 57th

byte

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