參數(shù)資料
型號: AT89S51-24PC
廠商: Atmel
文件頁數(shù): 8/31頁
文件大?。?/td> 0K
描述: IC 8051 MCU 4K FLASH 40-DIP
標(biāo)準(zhǔn)包裝: 10
系列: 89S
核心處理器: 8051
芯體尺寸: 8-位
速度: 24MHz
連通性: UART/USART
外圍設(shè)備: WDT
輸入/輸出數(shù): 32
程序存儲器容量: 4KB(4K x 8)
程序存儲器類型: 閃存
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
16
2487D–MICRO–6/08
AT89S51
5.
At the end of a programming session, RST can be set low to commence normal device
operation.
Power-off sequence (if needed):
1.
Set XTAL1 to “L” (if a crystal is not used).
2.
Set RST to “L”.
3.
Turn V
CC power off.
Data Polling: The Data Polling feature is also available in the serial mode. In this mode, during
a write cycle an attempted read of the last byte written will result in the complement of the MSB
of the serial output byte on MISO.
16.2
Serial Programming Instruction Set
The Instruction Set for Serial Programming follows a 4-byte protocol and is shown in the
17. Programming Interface – Parallel Mode
Every code byte in the Flash array can be programmed by using the appropriate combination of
control signals. The write operation cycle is self-timed and once initiated, will automatically time
itself to completion.
Most major worldwide programming vendors offer worldwide support for the Atmel AT89 micro-
controller series. Please contact your local programming vendor for the appropriate software
revision.
Notes:
1. Each PROG pulse is 200 ns - 500 ns for Chip Erase.
2. Each PROG pulse is 200 ns - 500 ns for Write Code Data.
3. Each PROG pulse is 200 ns - 500 ns for Write Lock Bits.
4. RDY/BSY signal is output on P3.0 during programming.
5. X = don’t care.
Table 17-1.
Flash Programming Modes
Mode
V
CC
RST
PSEN
ALE/
PROG
EA/
V
PP
P2.6
P2.7
P3.3
P3.6
P3.7
P0.7-0
Data
P2.3-0
P1.7-0
Address
Write Code Data
5V
H
L
12V
L
HHHH
D
IN
A11-8
A7-0
Read Code Data
5V
H
L
H
L
H
D
OUT
A11-8
A7-0
Write Lock Bit 1
5V
H
L
12V
HHHHH
X
Write Lock Bit 2
5V
H
L
12V
H
L
X
Write Lock Bit 3
5V
H
L
12V
H
L
H
L
X
Read Lock Bits
1, 2, 3
5V
H
L
H
L
H
L
P0.2,
P0.3,
P0.4
XX
Chip Erase
5V
H
L
12V
HLHL
L
X
Read Atmel ID
5V
H
L
H
LLLLL
1EH
0000
00H
Read Device ID
5V
H
L
H
LLLLL
51H
0001
00H
Read Device ID
5V
H
L
H
LLLLL
06H
0010
00H
相關(guān)PDF資料
PDF描述
AT89LV55-12PC IC 8051 MCU FLASH 20K 40DIP
AT89LV55-12JI IC 8051 MCU FLASH 20K 44PLCC
AT89LV55-12JC IC 8051 MCU FLASH 20K 44PLCC
AT89LV55-12AI IC 8051 MCU FLASH 20K 44TQFP
AT89LV55-12AC IC 8051 MCU FLASH 20K 44TQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT89S51-24PI 功能描述:8位微控制器 -MCU 4K ISP FLASH 2.7 TO 5.5V - 24 MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89S51-24PU 功能描述:8位微控制器 -MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89S51-24PU SL383 制造商:Atmel Corporation 功能描述:8051 4K ISP FLASH 4.0 TO 5.5V
AT89S51-W 功能描述:8位微控制器 -MCU Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89S52-16JC 制造商:Atmel Corporation 功能描述: