Rainbow-electronics ATmega163L Instrukcja Użytkownika Pobierz pdf (Strona 136)

ATmega163(L)

136

Note: a = address high bits

b = address low bits

H = 0 - Low byte, 1 - High Byte

o = data out

i = data in

x = don’t care

1 = lock bit 1

2 = lock bit 2

3 = Boot Lock Bit01

4 = Boot Lock Bit02

5 = Boot Lock Bit11

6 = Boot Lock Bit12

7 = CKSEL0 Fuse

8 = CKSEL1 Fuse

9 = CKSEL2 Fuse

A = CKSEL3 Fuse

B= BODEN Fuse

C= BODLEVEL Fuse

D= BOOTRST Fuse

E= BOOTSZ0 Fuse

F= BOOTSZ1 Fuse

Serial Programming Characteristics

Figure 88. Serial Programming Timing

Read Signature Byte

0011 0000 xxxx xxxx xxxx xxbb oooo oooo Read Signature Byte o at address

Write Fuse Bits

1010 1100 1010 0000 xxxx xxxx CB11 A987 Set bits C- A, 9 - 7 = ’0’ to program,

‘1’ to unprogram

Write Fuse High Bits

1010 1100 1010 1000 xxxx xxxx 1111 1FED Set bits F - D = ’0’ to program, ‘1’ to

unprogram

Read Fuse Bits

0101 0000 0000 0000 xxxx xxxx CBxx A987 Read Fuse bits. ’0’ = programmed,

‘1’ = unprogrammed

Read Fuse High Bits

0101 1000 0000 1000 xxxx xxxx xxxx 1FED Read Fuse high bits. ’0’ = pro-

grammed, ‘1’ = unprogrammed

Read Calibration Byte

0011 1000 xxxx xxxx 0000 0000 oooo oooo Read Signature Byte o at address

Table 60. Serial Programming Instruction Set (Continued)

Instruction Instruction Format Operation

Byte 1 Byte 2 Byte 3 Byte4

MOSI

MISO

SCK

OVSH

SHSL

SLSH

SHOX

SLIV

1 2 ... 131 132 133 134 135 136 137 138 139 140 141 ... 155 156

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