Rainbow-electronics ATmega8HVD Manuel d'utilisateur télécharger pdf (Page 139)

139

8052B–AVR–09/08

ATmega4HVD/8HVD

Table 24-14. High-voltage Serial Programming Instruction Set for ATmega4HVD/8HVD

Instruction

Instruction Format

Operation RemarksInstr.1/5 Instr.2/6 Instr.3 Instr.4

Chip Erase

SDI

SII

SDO

0_1000_0000_00

0_0100_1100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_0100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1100_00

x_xxxx_xxxx_xx

Load

“Write Flash”

Command

SDI

SII

SDO

0_0001_0000_00

0_0100_1100_00

x_xxxx_xxxx_xx

Load Flash

Page Buffer

SDI

SII

SDO

0_ bbbb_bbbb _00

(1)

0_0000_1100_00

x_xxxx_xxxx_xx

0_eeee_eeee_00

0_0010_1100_00

x_xxxx_xxxx_xx

0_dddd_dddd_00

0_0011_1100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0111_1101_00

x_xxxx_xxxx_xx

SDI

SII

SDO

0_0000_0000_00

0_0111_1100_00

x_xxxx_xxxx_xx

Load Flash High

Address and

Program Page

SDI

SII

SDO

0_000a_aaaa_00

0_0001_1100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_0100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1100_00

x_xxxx_xxxx_xx

Load

“Read Flash”

Command

SDI

SII

SDO

0_0000_0010_00

0_0100_1100_00

x_xxxx_xxxx_xx

Read Flash Low

and High Bytes

SDI

SII

SDO

0_bbbb_bbbb_00

(1)

0_0000_1100_00

x_xxxx_xxxx_xx

0_000a_aaaa_00

0_0001_1100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1000_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1100_00

q_qqqq_qqqx_xx

SDI

SII

SDO

0_0000_0000_00

0_0111_1000_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0111_1100_00

p_pppp_pppx_xx

Load “Write

EEPROM”

Command

SDI

SII

SDO

0_0001_0001_00

0_0100_1100_00

x_xxxx_xxxx_xx

Load EEPROM

Page Buffer

SDI

SII

SDO

0_0bbb_bbbb_00

0_0000_1100_00

x_xxxx_xxxx_xx

0_eeee_eeee_00

0_0010_1100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1101_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1100_00

x_xxxx_xxxx_xx

Program

EEPROM Page

SDI

SII

SDO

0_0000_0000_00

0_0110_0100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1100_00

x_xxxx_xxxx_xx

Write

EEPROM

Byte

(2)

SDI

SII

SDO

0_0bbb_bbbb_00

0_0000_1100_00

x_xxxx_xxxx_xx

0_eeee_eeee_00

0_0010_1100_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_1101_00

x_xxxx_xxxx_xx

0_0000_0000_00

0_0110_0100_00

x_xxxx_xxxx_xx

SDI

SII

SDO

0_0000_0000_00

0_0110_1100_00

x_xxxx_xxxx_xx

Load “Read

EEPROM”

Command

SDI

SII

SDO

0_0000_0011_00

0_0100_1100_00

x_xxxx_xxxx_xx

1 2 ... 134 135 136 137 138 139 140 141 142 143 144 ... 167 168

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Rainbow-electronics ATmega8HVD Manuel d'utilisateur Page 139

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