參數(shù)資料
型號: AT89S8252-24PC
廠商: Atmel
文件頁數(shù): 19/41頁
文件大?。?/td> 0K
描述: MCU W/SPI 8KB FLSH 2K EEP 40-DIP
標準包裝: 9
系列: 89S
核心處理器: 8051
芯體尺寸: 8-位
速度: 24MHz
連通性: SPI,UART/USART
外圍設備: POR,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
振蕩器型: 內部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
其它名稱: AT89S825224PC
26
AT89S8252
0401G–MICRO–3/06
Serial Programming
Instruction
The Instruction Set for Serial Programming follows a 3-byte protocol and is shown in the
following table:
Notes:
1. DATA polling is used to indicate the end of a byte write cycle which typically takes less than 2.5 ms at 5V.
2. “aaaaa” = high order address.
3. “x” = don’t care.
Instruction Set
Instruction
Input Format
Operation
Byte 1
Byte 2
Byte 3
Programming Enable
1010 1100
0101 0011
xxxx xxxx
Enable serial programming interface after RST goes high.
Chip Erase
1010 1100
xxxx x100
xxxx xxxx
Chip erase both 8K & 2K memory arrays.
Read Code Memory
aaaa a001
low addr
xxxx xxxx
Read data from Code memory array at the selected address.
The 5 MSBs of the first byte are the high order address bits.
The low order address bits are in the second byte. Data are
available at pin MISO during the third byte.
Write Code Memory
aaaa a010
low addr
data in
Write data to Code memory location at selected address. The
address bits are the 5 MSBs of the first byte together with the
second byte.
Read Data Memory
00aa a101
low addr
xxxx xxxx
Read data from Data memory array at selected address. Data
are available at pin MISO during the third byte.
Write Data Memory
00aa a110
low addr
data in
Write data to Data memory location at selected address.
Write Lock Bits
1010 1100
x x111
xxxx xxxx
Write lock bits.
Set LB1, LB2 or LB3 = “0” to program lock bits.
LB1 LB2
LB3
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參數(shù)描述
AT89S8252-24PI 功能描述:8位微控制器 -MCU w/8k 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 安裝風格:SMD/SMT
AT89S8252-24QC 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 安裝風格:SMD/SMT
AT89S8252-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 安裝風格:SMD/SMT
AT89S8253-24AC 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 安裝風格:SMD/SMT
AT89S8253-24AI 功能描述:8位微控制器 -MCU UNSAWN WAFER 20 MIL BACKGRIND - 24MHZ 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 安裝風格:SMD/SMT