參數(shù)資料
型號: AT89S4051-24PI
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-bit Microcontroller with 2K/4K Bytes Flash
中文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP20
封裝: 0.300 INCH, MS-001AD, PLASTIC, DIP-20
文件頁數(shù): 33/45頁
文件大?。?/td> 981K
代理商: AT89S4051-24PI
33
3390C–MICRO–7/05
AT89S2051/S4051
Notes:
1. Program Enable must be the
first
command issued after entering into the serial programming mode.
2. All 32 Data bytes must be written/read.
3. Fuse Bit Definitions:
*
The ISP Enable Fuse must be enabled before entering ISP mode.
When disabling the ISP fuse during ISP mode, the current fuse state will remain active until RST is brought low.
**Any change will only take effect after the next power-down/power-up cycle event.
4. Lock Bit Definitions:
5.
Atmel Signature Bytes
:
AT89S2051:
34. Serial Programming Command Summary
Command
Byte 1
Byte 2
Byte 3
Byte 4
Byte ...
Program Enable
(1)
1010 1100
0101 0011
xxxx xxxx
xxxx xxxx
Chip Erase
1010 1100
100x xxxx
xxxx xxxx
xxxx xxxx
Write Code
Byte
0100 0000
xxxx
Read Code
Byte
0010 0000
xxxx
Write Code
Page
(2)
0101 0000
xxxx
A
A
A
Data 0 ... Data 31
Read Code
Page
(2)
0011 0000
xxxx
0 0000
Data 0 ... Data 31
Write User Fuses
(3)
1010 1100
0001
xxxx xxxx
xxxx xxxx
Read User Fuses
(3)
0010 0001
xxxx xxxx
xxxx xxxx
xxxx
Write Lock Bits
(4)
1010 1100
1110 0x
xxxx xxxx
xxxx xxxx
Read Lock Bits
(4)
0010 0100
xxxx xxxx
xxxx xxxx
xxxx xx
Write User Signature
Byte
0100 0010
xxxx xxxx
xxx
Read User Signature
Byte
0010 0010
xxxx xxxx
xxx
Write User Signature
Page
(2)
0101 0010
xxxx xxxx
xxxx xxxx
Data 0 ... Data 31
Read User Signature
Page
(2)
0011 0010
xxxx xxxx
xxxx xxxx
Data 0 ... Data 31
Read Atmel Signature Byte
(5)
0010 1000
xxxx xxxx
xxx
Bit 0
Bit 1
Bit 2
Bit 3
ISP Enable
*
x2 Clock
User Row Programming
XTAL Osc Bypass**
Enable = 0/Disable = 1
Enable = 0/Disable = 1
Enable = 0/Disable = 1
Enable = 0/Disable = 1
Bit 0
Bit 1
Lock Bit 1
Lock Bit 2
Locked = 0/Unlocked = 1
Locked = 0/Unlocked = 1
Address
00H = 1EH
01H = 23H
02H = FFH
00H = 1EH
01H = 43H
02H = FFH
AT89S4051:
Address
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
L
L
L
L
D
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
F
F
F
F
F
F
F
F
相關(guān)PDF資料
PDF描述
AT89S4051-24PU 8-bit Microcontroller with 2K/4K Bytes Flash
AT89S4051-24SC 8-bit Microcontroller with 2K/4K Bytes Flash
AT89S4051-24SI 8-bit Microcontroller with 2K/4K Bytes Flash
AT89S4051-24SU 8-bit Microcontroller with 2K/4K Bytes Flash
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