參數(shù)資料
型號(hào)： PIC12LC508AT-04I/MF
廠商： Microchip Technology
文件頁數(shù)： 43/113頁
文件大小： 0K
描述： IC MCU OTP 512X12 LV 8-DFN
標(biāo)準(zhǔn)包裝： 3,300
系列： PIC® 12C
核心處理器： PIC
芯體尺寸： 8-位
速度： 4MHz
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 5
程序存儲(chǔ)器容量： 768B（512 x 12）
程序存儲(chǔ)器類型： OTP
RAM 容量： 25 x 8
電壓 - 電源 (Vcc/Vdd)： 2.5 V ~ 5.5 V
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 8-VDFN 裸露焊盤
包裝： 帶卷 (TR)
其它名稱： PIC12LC508AT04IMF
1999 Microchip Technology Inc.
DS40139E-page 35
PIC12C5XX
8.0
SPECIAL FEATURES OF THE
CPU
What
sets
a
microcontroller
apart
from
other
processors are special circuits to deal with the needs
of real-time applications. The PIC12C5XX family of
microcontrollers 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)
-Device Reset Timer (DRT)
- Wake-up from SLEEP on pin change
Watchdog Timer (WDT)
SLEEP
Code protection
ID locations
In-circuit Serial Programming
The PIC12C5XX has a Watchdog Timer which can be
shut off only through configuration bit WDTE. It runs
off of its own RC oscillator for added reliability. If using
XT or LP selectable oscillator options, there is always
an 18 ms (nominal) delay provided by the Device
Reset Timer (DRT), intended to keep the chip in reset
until the crystal oscillator is stable. If using INTRC or
EXTRC there is an 18 ms delay only on VDD power-up.
With this timer 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 a change on input pins or
through a Watchdog Timer time-out. Several oscillator
options are also made available to allow the part to fit
the application, including an internal 4 MHz oscillator.
The EXTRC oscillator option saves system cost while
the
LP
crystal
option
saves
power.
A
set
of
configuration bits are used to select various options.
8.1
Configuration Bits
The PIC12C5XX configuration word consists of 12
bits. Configuration bits can be programmed to select
various device configurations. Two bits are for the
selection of the oscillator type, one bit is the Watchdog
Timer enable bit, and one bit is the MCLR enable bit.
FIGURE 8-1:
CONFIGURATION WORD FOR PIC12C5XX
—
MCLRE
CP
WDTE FOSC1 FOSC0
Register:
CONFIG
Address(1):FFFh
bit11
10
987
654
321
bit0
bit 11-5: Unimplemented
bit 4:
MCLRE: MCLR enable bit.
1 = MCLR pin enabled
0 = MCLR tied to VDD, (Internally)
bit 3:
CP: Code protection bit.
1 = Code protection off
0 = Code protection on
bit 2:
WDTE: Watchdog timer enable bit
1 = WDT enabled
0 = WDT disabled
bit 1-0:
FOSC1:FOSC0: Oscillator selection bits
11 = EXTRC - external RC oscillator
10 = INTRC - internal RC oscillator
01 = XT oscillator
00 = LP oscillator
Note 1:
Refer to the PIC12C5XX Programming Specifications to determine how to access the
configuration word. This register is not user addressable during device operation.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12LC508AT-04ISN 制造商:Microchip Technology Inc 功能描述:PIC12 Series 25 B RAM 512 x 12 Bit EPROM 8-Bit CMOS Microcontroller - SOIC-8
PIC12LC508AT-04ISN-CUT TAPE 制造商:Microchip 功能描述:PIC12 Series 25 B RAM 512 x 12 Bit EPROM 8-Bit CMOS Microcontroller - SOIC-8
PIC12LC509A-04/P 功能描述:8位微控制器 -MCU 1.5KB 41 RAM 6 I/O 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
PIC12LC509A-04/SM 功能描述:8位微控制器 -MCU 1kx12 OTP 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
PIC12LC509A-04/SN 功能描述:8位微控制器 -MCU 1kx12 OTP 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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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