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| 型号： | RFPIC12F675K-E/SS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO20 |
| 封装： | 0.209 INCH, PLASTIC, MO-150, SSOP-20 |
| 文件页数： | 77/123页 |
| 文件大小： | 5438K |
| 代理商： | RFPIC12F675K-E/SS |
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2003 Microchip Technology Inc.
Preliminary
DS70091A-page 55
rfPIC12F675
10.0 SPECIAL FEATURES OF THE
CPU
Certain special circuits that deal with the needs of real
time applications are what sets a microcontroller apart
from other processors. The rfPIC12F675 Family has a
host of such features intended to:
maximize system reliability
minimize cost through elimination of external
components
provide power saving operating modes and offer
code protection.
These features are:
Oscillator selection
RESET
- Power-on Reset (POR)
- Power-up Timer (PWRT)
- Oscillator Start-up Timer (OST)
- Brown-out Detect (BOD)
Interrupts
Watchdog Timer (WDT)
SLEEP
Code protection
ID Locations
In-Circuit Serial Programming
The rfPIC12F675 has a Watchdog Timer that is
controlled by configuration bits. It runs off its own RC
oscillator for added reliability. There are two timers that
offer necessary delays on power-up. One is the
Oscillator Start-up Timer (OST), intended to keep the
chip in RESET until the crystal oscillator is stable. The
other is the Power-up Timer (PWRT), which provides a
fixed delay of 72 ms (nominal) on power-up only,
designed to keep the part in RESET while the power
supply stabilizes. There is also circuitry to reset the
device if a brown-out occurs, which can provide at least
a 72 ms RESET. With these three functions on-chip,
most applications need no external RESET circuitry.
The SLEEP mode is designed to offer a very low
current Power-down mode. The user can wake-up from
SLEEP through:
External RESET
Watchdog Timer wake-up
An interrupt
Several oscillator options are also made available to
allow the part to fit the application. The INTOSC option
saves system cost while the LP crystal option saves
power. A set of configuration bits are used to select
various options (see Register 10-1).
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相关代理商/技术参数 |
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| RFPIC12F675K-I/SS | 功能描述:射频微控制器 - MCU 290-350MHz UHF ASK/FSK Transmitter RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:Si100x 数据总线宽度:8 bit 最大时钟频率:24 MHz 程序存储器大小:64 KB 数据 RAM 大小:4 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 + 85 C 封装 / 箱体:LGA-42 安装风格:SMD/SMT 封装:Tube |
| RFPIC12F675KT-I/SS | 功能描述:射频微控制器 - MCU 1 KB Flash FSK ASK RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:Si100x 数据总线宽度:8 bit 最大时钟频率:24 MHz 程序存储器大小:64 KB 数据 RAM 大小:4 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 + 85 C 封装 / 箱体:LGA-42 安装风格:SMD/SMT 封装:Tube |
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| RF-PP12/23 | 制造商:Cembre 功能描述:F-CRIMP,BLADE,RED,PP12/23 |
| RFP-QD10 | 功能描述:烙铁 Cartridge Quad PLCC-52 Chip Pkg RoHS:否 制造商:Weller 产品:Soldering Stations 类型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大温度:+ 850 F 电缆类型:US Cord Included |
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