參數(shù)資料
型號(hào): Tiny12
廠商: Atmel Corp.
英文描述: 8-bit AVR Microcontroller with 1K Byte Flash
中文描述: 8位AVR微控制器,帶有1K字節(jié)閃存
文件頁數(shù): 50/91頁
文件大小: 1137K
代理商: TINY12
50
ATtiny11/12
1006D–AVR–07/03
Figure 28.
High-voltage Serial Programming Waveforms
MSB
MSB
MSB
LSB
LSB
LSB
0
1
2
3
4
5
6
7
8
9
10
SERIAL DATA INPUT
PB0
SERIAL INSTR. INPUT
PB1
SERIAL DATA OUTPUT
PB2
SERIAL CLOCK INPUT
XTAL1/PB3
Table 23.
High-voltage Serial Programming Instruction Set for ATtiny11/12
Instruction
Instruction Format
Operation Remarks
Instr.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.4 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_000
a
_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_000
a
_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
_
ooo
x_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_0111_1100_00
o
_
oooo
_
ooo
x_xx
Repeat Instr.1 and Instr.2 for each
new address.
Write EEPROM
Low Address
(ATtiny12)
PB0
PB1
PB2
0_0001_0001_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_00
bb
_
bbbb
_00
0_0000_1100_00
x_xxxx_xxxx_xx
Repeat Instr.2 for each new
address.
Write EEPROM
byte (ATtiny12)
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
(ATtiny12)
PB0
PB1
PB2
0_0000_0011_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_00
bb
_
bbbb
_00
0_0000_1100_00
x_xxxx_xxxx_xx
Repeat Instr.2 for each new
address.
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