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参数资料
| 型号： | AT83EB5114XXXTGRIL |
| 厂商： | ATMEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | Low-pin-count 8-bit microcontroller with A/D converter |
| 中文描述： | 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 73/95页 |
| 文件大小： | 1126K |
| 代理商： | AT83EB5114XXXTGRIL |
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73
4311A–8051–01/05
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Launch the programming of the memory spaces
Get the status of the flash memory (busy/not busy)
Mapping of the Memory Space
By default, the user space is accessed by MOVC instruction for read only. The column
latches space is made accessible by setting the FPS bit in FCON register. Writing is
possible from 0000h to 0FFFh, address bits 6 to 0 are used to select an address within a
page while bits 14 to 7 are used to select the programming address of the page.
The other memory spaces (user, extra row, hardware security) are made accessible in
the code segment by programming bits FMOD0 and FMOD1 in FCON register in accor-
dance with Table 57. A MOVC instruction is then used for reading these spaces.
Table 57.
.FM0 Blocks Select Bits
Launching programming
FPL3:0 bits in FCON register are used to secure the launch of programming. A specific
sequence must be written in these bits to unlock the write protection and to launch the
programming. This sequence is 5xh followed by Axh. Table 33 summarizes the memory
spaces to program according to FMOD1:0 bits.
Figure 33.
Programming spaces
Notes:
1. The sequence 5xh and Axh must be executing without instructions between then oth-
erwise the programming is aborted.
2. Interrupts that may occur during programming time must be disable to avoid any spu-
rious exit of the idle mode.
FMOD1
FMOD0
FM0 Adressable space
0
0
User (0000h-FFFFh)
0
1
Extra Row(FF80h-FFFFh)
1
0
Hardware Security Byte (0000h)
1
1
reserved
Write to FCON
Operation
FPL3:0
FPS
FMOD1
FMOD0
User
5
X
0
0
No action
A
X
0
0
Write the column latches in user
space
Extra Row
5
X
0
1
No action
A
X
0
1
Write the column latches in extra row
space
Hardware
Security
Byte
5
X
1
0
No action
A
X
1
0
Write the fuse bits space
Reserved
5
X
1
1
No action
A
X
1
1
No action
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| AT83EB5114XXXTGRUL | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Low-pin-count 8-bit microcontroller with A/D converter |
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| AT83EC5136-PLTUL | 功能描述:IC MCU 8BIT 32KB FLASH 48MLF 制造商:microchip technology 系列:- 零件状态:Digi-Key 停止供應 核心处理器:80C52 核心尺寸:8-位 速度:48MHz 连接性:EBI/EMI，I2C，SPI，UART/USART，USB 外设:LED，POR，PWM，WDT I/O 数:34 程序存储容量:32KB（32K x 8） 程序存储器类型:闪存 EEPROM 容量:512 x 8 RAM 容量:1K x 8 电压 - 电源（Vcc/Vdd）:2.7 V ~ 3.6 V 数据转换器:- 振荡器类型:内部 工作温度:-40°C ~ 85°C（TA） 基本零件编号:AT83EC5136 标准包装:260 |
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