- 您現在的位置：買賣IC網 > PDF目錄368025 > PIC16LF84A (Microchip Technology Inc.) 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller PDF資料下載
參數資料
| 型號： | PIC16LF84A |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller |
| 中文描述： | 18引腳增強型閃存/ EEPROM的8位微控制器 |
| 文件頁數： | 19/68頁 |
| 文件大?。?/td> | 494K |
| 代理商： | PIC16LF84A |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁當前第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁
PIC16F84A
1998 Microchip Technology Inc.
Preliminary
DS35007A-page 19
5.0
DATA EEPROM MEMORY
The EEPROM data memory is readable and writable
during normal operation (full V
DD
range). This memory
is not directly mapped in the register file space. Instead
it is indirectly addressed through the Special Function
Registers. There are four SFRs used to read and write
this memory. These registers are:
EECON1
EECON2 (Not a physically implemented register)
EEDATA
EEADR
EEDATA holds the 8-bit data for read/write, and EEADR
holds the address of the EEPROM location being
accessed. PIC16F84A devices have 64 bytes of data
EEPROM with an address range from 0h to 3Fh.
The EEPROM data memory allows byte read and write.
A byte write automatically erases the location and
writes the new data (erase before write). The EEPROM
data memory is rated for high erase/write cycles. The
write time is controlled by an on-chip timer. The write-
time will vary with voltage and temperature as well as
from chip to chip. Please refer to AC specifications for
exact limits.
When the device is code protected, the CPU may
continue to read and write the data EEPROM memory.
The device programmer can no longer access
this memory.
Additional information on the Data EEPROM is avail-
able in the PICmicro Mid-Range Reference Manual,
(DS33023).
FIGURE 5-1:
EECON1 REGISTER (ADDRESS 88h)
U
—
bit7
U
—
U
—
R/W-0
EEIF
R/W-x
WRERR
R/W-0
WREN
R/S-0
WR
R/S-x
RD
R
W = Writable bit
S
= Settable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
= Readable bit
bit0
bit 7:5
bit 4
Unimplemented:
Read as '0'
EEIF
: EEPROM Write Operation Interrupt Flag bit
1 = The write operation completed (must be cleared in software)
0 = The write operation is not complete or has not been started
WRERR
: EEPROM Error Flag bit
1 = A write operation is prematurely terminated
(any MCLR reset or any WDT reset during normal operation)
0 = The write operation completed
WREN
: EEPROM Write Enable bit
1 = Allows write cycles
0 = Inhibits write to the data EEPROM
WR
: Write Control bit
1 = initiates a write cycle. (The bit is cleared by hardware once write is complete. The WR bit can only
be set (not cleared) in software.
0 = Write cycle to the data EEPROM is complete
RD
: Read Control bit
1 = Initiates an EEPROM read (read takes one cycle. RD is cleared in hardware. The RD bit can only
be set (not cleared) in software).
0 = Does not initiate an EEPROM read
bit 3
bit 2
bit 1
bit 0
相關PDF資料 |
PDF描述 |
|---|---|
| PIC17C42 | High-Performance 8-Bit CMOS EPROM/ROM Microcontroller(每個I/O口有20mA吸收,35mA驅動,2K 位EPROM微控制器) |
| pic17cr43 | High-Performance 8-Bit CMOS EPROM/ROM Microcontroller(每個I/O口有20mA吸收,35mA驅動,4K位EPROM) |
| PIC17C42A | High-Performance 8-Bit CMOS EPROM/ROM Microcontroller(每個I/O口有20mA吸收,35mA驅動,2K位EPROM微控制器) |
| PIC17C43 | High-Performance 8-Bit CMOS EPROM/ROM Microcontroller(每個I/O口有20mA吸收,35mA驅動,4K位EPROM微控制器) |
| PIC17C44 | High-Performance 8-Bit CMOS EPROM/ROM Microcontroller(每個I/O口有20mA吸收,35mA驅動,8K位EPROM微控制器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PIC16LF84A-04/P | 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 |
| PIC16LF84A-04/P | 制造商:Microchip Technology Inc 功能描述:8-Bit Microcontroller IC |
| PIC16LF84A-04/P | 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 制造商:Microchip Technology Inc 功能描述:IC, 8BIT FLASH MCU |
| PIC16LF84A-04/SO | 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 |
| PIC16LF84A-04/SS | 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 |
發(fā)布緊急采購，3分鐘左右您將得到回復。