參數(shù)資料
型號： 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)： 51/91頁
文件大小： 1137K
代理商： TINY12
51
ATtiny11/12
1006D–AVR–07/03
Note:
a
= address high bits
b
= address low bits
i
= data in
o
= data out
x = don’t care
1
= Lock Bit1
2
= Lock Bit2
3
= CKSEL0 Fuse
4
= CKSEL1 Fuse
5
= CKSEL2 Fuse
9
,
6
= RSTDISBL Fuse
7
= FSTRT Fuse
8
= CKSEL3 Fuse
A
= SPIEN Fuse
B
= BODEN Fuse
C
= BODLEVEL Fuse
Read EEPROM
byte (ATtiny12)
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.2 for each new
address
Write Fuse bits
(ATtiny11)
PB0
PB1
PB2
0_0100_0000_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_000
7
_
6543
_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
t
WLWH_PFB
after Instr.3 for the
Write fuse bits cycle to finish. Write
7
-
3
= “0” to program the fuse bit.
Write Fuse bits
(ATtiny12)
PB0
PB1
PB2
0_0100_0000_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_
CBA9
_
8543
_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
C
-
A
,
9, 8,
5
-
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
(ATtiny11)
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
x_xx
76
_
543
x_xx
Reading
7
-
3
= “0” means the fuse
bit is programmed.
Read Fuse bits
(ATtiny12)
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
C
_
BA98
_
543
x_xx
Reading
C
-
A
,
9
,
8
,
5
-
3
= “0”
means the fuse bit is programmed.
Read Lock bits
PB0
PB1
PB2
0_0000_0100_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0111_1000_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0111_1100_00
x_xxxx_
21
xx_xx
Reading
2
,
1
= “0” means the lock
bit is programmed.
Read Signature
Bytes
PB0
PB1
PB2
0_0000_1000_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_0000_00
bb
_00
0_0000_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
o
_
oooo
_
ooo
x_xx
Repeat Instr.2 - Instr.4 for each
signature byte address
Read
Calibration Byte
(ATtiny12)
PB0
PB1
PB2
0_0000_1000_00
0_0100_1100_00
x_xxxx_xxxx_xx
0_0000_0000_00
0_0000_1100_00
x_xxxx_xxxx_xx
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
Table 23.
High-voltage Serial Programming Instruction Set for ATtiny11/12 (Continued)
Instruction
Instruction Format
Operation Remarks
Instr.1
Instr.2
Instr.3
Instr.4
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