AT90SCR100 datasheet(392/433 Pages) ATMEL

392 / 433 page

392

TPR0327AY–SMS–30Jan09

AT90SCR100

Notes: 1. Repeat until o = “1”.

2. Address bits exceeding PCMSB and EEAMSB (Table 29-7 and Table 29-8) are don’t care

3. This command sequence is not required if the seven MSB are correctly set by the previous

command sequence (which is normally the case).

4. The bit mapping for Fuses Extended byte is listed in Table 29-3 on page 379

5. Set bits to “0” to program the corresponding Fuse, “1” to unprogram the Fuse.

6. The bit mapping for Fuses High byte is listed in Table 29-4 on page 379

7. The bit mapping for Lock bits byte is listed in Table 29-1 on page 377

8. Set bits to “0” to program the corresponding Lock bit, “1” to leave the Lock bit unchanged.

9. The bit mapping for Fuses Low byte is listed in Table 29-5 on page 380

10. “0” = programmed, “1” = unprogrammed.

8d. Read Fuse Low Byte(9)

0110010_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

8e. Read Lock Bits(7)

0110110_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_xxoooooo

(10)

8f. Read Fuses and Lock Bits

0111010_00000000

0111110_00000000

0110010_00000000

0110110_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

(10)

Fuse Ext. byte

Fuse High byte

Fuse Low byte

Lock bits

9a. Enter Signature Byte Read

0100011_00001000

xxxxxxx_xxxxxxxx

9b. Load Address Byte

0000011_bbbbbbbb

xxxxxxx_xxxxxxxx

9c. Read Signature Byte

0110010_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

10a. Enter Calibration Byte Read

0100011_00001000

xxxxxxx_xxxxxxxx

10b. Load Address Byte

0000011_bbbbbbbb

xxxxxxx_xxxxxxxx

10c. Read Calibration Byte

0110110_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

11a. Load No Operation Command

0100011_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

Table 29-12.

JTAG Programming Instruction (Continued)

Set (Continued) a = address high bits, b = address low bits, c = address extended bits, H = 0 - Low byte, 1 - High Byte,

o = data out, i = data in, x = don’t care

Instruction

TDI Sequence

TDO Sequence

Notes

All TDI and TDO sequences are represented by binary digits (0b...).

Note

AT90SCR100 데이터시트(PDF) 392 Page - ATMEL Corporation

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