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参数资料
| 型号： | PIC16F84-10/SO |
| 厂商： | Microchip Technology |
| 文件页数： | 27/80页 |
| 文件大小： | 0K |
| 描述： | IC MCU FLASH 1KX14 EE 18SOIC |
| 产品培训模块： | Asynchronous Stimulus 8-bit PIC® Microcontroller Portfolio |
| 标准包装： | 42 |
| 系列： | PIC® 16F |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 10MHz |
| 外围设备： | POR，WDT |
| 输入/输出数： | 13 |
| 程序存储器容量： | 1.75KB（1K x 14） |
| 程序存储器类型： | 闪存 |
| EEPROM 大小： | 64 x 8 |
| RAM 容量： | 68 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 4 V ~ 6 V |
| 振荡器型： | 外部 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 18-SOIC（0.295"，7.50mm 宽） |
| 包装： | 管件 |
| 配用： | XLT18SO-1-ND - SOCKET TRANSITION 18SOIC 300MIL 309-1075-ND - ADAPTER 18-SOIC TO 18-SOIC 309-1011-ND - ADAPTER 18-SOIC TO 18-DIP 309-1010-ND - ADAPTER 18-SOIC TO 18-DIP AC164010-ND - MODULE SKT PROMATEII DIP/SOIC |
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PIC16F8X
1998 Microchip Technology Inc.
DS30430C-page 33
7.0
DATA EEPROM MEMORY
The EEPROM data memory is readable and writable
during normal operation (full VDD 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
EEDATA
EEADR
EEDATA holds the 8-bit data for read/write, and EEADR
holds the address of the EEPROM location being
accessed. PIC16F8X 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.
7.1
EEADR
The EEADR register can address up to a maximum of
256 bytes of data EEPROM. Only the first 64 bytes of
data EEPROM are implemented.
The upper two bits are address decoded. This means
that these two bits must always be '0' to ensure that the
address is in the 64 byte memory space.
FIGURE 7-1:
EECON1 REGISTER (ADDRESS 88h)
U
R/W-0
R/W-x
R/W-0
R/S-0
R/S-x
—
EEIF
WRERR
WREN
WR
RD
R
= Readable bit
W = Writable bit
S
= Settable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit7
bit0
bit 7:5
Unimplemented: Read as ’0’
bit 4
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
bit 3
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
bit 2
WREN: EEPROM Write Enable bit
1 = Allows write cycles
0 = Inhibits write to the data EEPROM
bit 1
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
bit 0
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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PIC16F84A-04/P | 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz PDIP18 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| PIC16F84A-04/P | 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 16F84 DIP18 |
| PIC16F84A-04/P | 制造商:Microchip Technology Inc 功能描述:MICROCONTROLLER IC NUMBER OF I/OS:13 制造商:Microchip Technology Inc 功能描述:IC, 8BIT MCU, PIC16F, 4MHz, DIP-18 |
| PIC16F84A-04/SO | 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz SOIC18 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| PIC16F84A-04/SO | 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU SMD 16F84 SOIC18 |
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