Atmel AVR ATtiny15L Advance Information

ATtiny15L
51
Table 24. High-voltage Serial Programming Instruction Set for ATtiny15L
Instruction
Instruction Format
Operation RemarksInstr.1 Instr.2 Instr.3 Instr.4
Chip Erase PB0
PB1
PB2
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
0_0000_0000_00
0_0100_1100_00
x_xxxx_xxxx_xx
Wait after Instr.3 until PB2 goes
high for the Chip Erase cycle to
finish.
Write Flash
High and Low
Address
PB0
PB1
PB2
0_0001_0000_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_0000_000a_00
0_0001_1100_00
x_xxxx_xxxx_xx
0_bbbb_bbbb_00
0_0000_1100_00
x_xxxx_xxxx_xx
Repeat Instr.2 for a new 256 byte
page. Repeat Instr.3 for each new
address.
Write Flash Low
byte
PB0
PB1
PB2
0_ i i i i_i i i i _00
0_0010_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
0_0000_0000_00
Wait after Instr.3 until PB2 goes
high. Repeat Instr.1, Instr. 2 and
Instr.3 for each new address.
Write Flash
High byte
PB0
PB1
PB2
0_ i i i i_i i i i _00
0_0011_1100_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0111_0100_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0111_1100_00
0_0000_0000_00
Wait after Instr.3 until PB2 goes
high. Repeat Instr.1, Instr. 2 and
Instr.3 for each new address.
Read Flash
High and Low
Address
PB0
PB1
PB2
0_0000_0010_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_0000_000a_00
0_0001_1100_00
x_xxxx_xxxx_xx
0_bbbb_bbbb_00
0_0000_1100_00
x_xxxx_xxxx_xx
Repeat Instr.2 and Instr.3 for each
new address.
Read Flash
Low byte
PB0
PB1
PB2
0_0000_0000_00
0_0110_1000_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0110_1100_00
o_oooo_ooox_xx
Repeat Instr.1 and Instr.2 for each
new address.
Read Flash
High byte
PB0
PB1
PB2
0_0000_0000_00
0_0111_1000_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0110_1100_00
o_oooo_ooox_xx
Repeat Instr.1 and Instr.2 for each
new address.
Write EEPROM
Low Address
PB0
PB1
PB2
0_0001_0001_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_00bb_bbbb_00
0_0000_1100_00
x_xxxx_xxxx_xx
Repeat Instr.2 for each new
address.
Write EEPROM
byte
PB0
PB1
PB2
0_ i i i i_i i i i _00
0_0010_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
0_0000_0000_00
Wait after Instr.3 until PB2 goes
high
Read EEPROM
Low Address
PB0
PB1
PB2
0_0000_0011_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_00bb_bbbb_00
0_0000_1100_00
x_xxxx_xxxx_xx
Repeat Instr.2 for each new
address.
Read EEPROM
byte
PB0
PB1
PB2
0_0000_0000_00
0_0110_1000_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0110_1100_00
o_oooo_ooox_xx
Repeat Instr.2 for each new
address
Write Fuse bits PB0
PB1
PB2
0_0100_0000_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_8765_1143_00
0_0010_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
Wait after Instr.4 until PB2 goes
high. Write 8 - 3 = “0” to program
the Fuse bit.
Write Lock bits PB0
PB1
PB2
0_0010_0000_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_0000_0210_00
0_0010_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
0_0000_0000_00
Wait after Instr.4 until PB2 goes
high. Write 2, 1 = “0” to program
the Lock bit.
Read Fuse bits
PB0
PB1
PB2
0_0000_0100_00
0_0100_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
8_765x_x43x_xx
Reading 8 - 3 = “0” means the Fuse
bit is programmed.

Atmel AVR ATtiny15L Specifications

General

Brand	Atmel
Model	AVR ATtiny15L
Category	Microcontrollers
Language	English