參數(shù)資料
型號： PIC12F519
廠商： Microchip Technology Inc.
英文描述： 8-Pin, 8-Bit Flash Microcontroller
中文描述： 8引腳，8位閃存微控制器
文件頁數(shù)： 23/88頁
文件大小： 802K
代理商： PIC12F519
2007 Microchip Technology Inc.
Preliminary
DS41319A-page 21
PIC12F519
5.0
FLASH DATA MEMORY
The Flash data memory resides at locations
0x400-0x43F. It is physically attached to the Flash pro-
gram memory block. The Flash memory consists of 8
rows and has self-write capability of up to 64 bytes.
This memory block is not directly mapped in the regis-
ter file space. Instead, it is indirectly addressed through
the Special Function Registers. There are three SFRs
used to read and write this memory:
EEDATA (Register 5-1)
EEADR (Register 5-2)
EECON (Register 5-3)
EEDATA holds the 8-bit data for read/write, and
EEADR holds the address of the EEDATA location
being accessed. The effective program counter
address is EEADR + 400h.
EEADR (00h), PC (400h)
EEADR (01h), PC (401h)
Only the lower 8 bits of each word is readable or
writable in User mode.
The Flash data memory allows byte read and write. A
byte write automatically erases the row in which the
target byte is located and writes the new data (erase
before write). During the operation of read/write, the
CPU stalls.
The write time is controlled by an on-chip timer. The
write/erase voltages are generated by an on-chip
charge pump rated to operate over the voltage range of
the device.
When the device is code-protected, the CPU may
continue to read and write the Flash data memory and
read the program memory. When code-protected, the
device programmer can no longer access data or
program memory.
REGISTER 5-1:
EEDATA: FLASH DATA REGISTER
R/W-x
EEDATA7
bit 7
R/W-x
EEDATA6
R/W-x
EEDATA5
R/W-x
EEDATA4
R/W-x
EEDATA3
R/W-x
EEDATA2
R/W-x
EEDATA1
R/W-x
EEDATA0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
x = Bit is unknown
‘0’ = Bit is cleared
bit 7-0
EEDATA<7:0>
: 8-bits of data to be read from/written to data Flash
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12F519_08 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit Flash Microcontrollers
PIC12F519-E/MC 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr 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
PIC12F519-E/MS 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr 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
PIC12F519-E/P 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr 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
PIC12F519-E/SN 功能描述:8位微控制器 -MCU 15KB Flash Prgrm 64B 8MHz Intrnl Oscilatr 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
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