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参数资料
型号： PIC12C508A-04E/SN
厂商： Microchip Technology
文件页数： 44/113页
文件大小： 0K
描述： IC MCU OTP 512X12 8SOIC
产品培训模块： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装： 100
系列： PIC® 12C
核心处理器： PIC
芯体尺寸： 8-位
速度： 4MHz
外围设备： POR，WDT
输入/输出数： 5
程序存储器容量： 768B（512 x 12）
程序存储器类型： OTP
RAM 容量： 25 x 8
电压 - 电源 (Vcc/Vdd)： 3 V ~ 5.5 V
振荡器型： 内部
工作温度： -40°C ~ 125°C
封装/外壳： 8-SOIC（0.154"，3.90mm 宽）
包装： 管件
配用： 309-1046-ND - ADAPTER 8-SOIC TO 8-DIP
309-1045-ND - ADAPTER 8-SOIC TO 8-DIP
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
PIC12C5XX
DS40139E-page 36
1999 Microchip Technology Inc.
8.2
Oscillator Configurations
8.2.1
OSCILLATOR TYPES
The PIC12C5XX can be operated in four different
oscillator
modes.
The
user
can
program
two
configuration bits (FOSC1:FOSC0) to select one of
these four modes:
LP:
Low Power Crystal
XT:
Crystal/Resonator
INTRC: Internal 4 MHz Oscillator
EXTRC: External Resistor/Capacitor
8.2.2
CRYSTAL OSCILLATOR / CERAMIC
RESONATORS
In XT or LP modes, a crystal or ceramic resonator is
connected to the GP5/OSC1/CLKIN and GP4/OSC2
pins
to
establish
oscillation
(Figure 8-2).
The
PIC12C5XX oscillator design requires the use of a
parallel cut crystal. Use of a series cut crystal may give
a
frequency
out
of
the
crystal
manufacturers
specifications. When in XT or LP modes, the device
can have an external clock source drive the GP5/
OSC1/CLKIN pin (Figure 8-3).
FIGURE 8-2:
CRYSTAL OPERATION (OR
CERAMIC RESONATOR) (XT
OR LP OSC
CONFIGURATION)
FIGURE 8-3:
EXTERNAL CLOCK INPUT
OPERATION (XT OR LP OSC
CONFIGURATION)
Note 1: See Capacitor Selection tables for
recommended values of C1 and C2.
2: A series resistor (RS) may be required for
AT strip cut crystals.
3: RF approximate value = 10 M
.
C1(1)
C2(1)
XTAL
OSC2
OSC1
RF(3)
SLEEP
To internal
logic
RS(2)
PIC12C5XX
Clock from
ext. system
OSC1
OSC2
Open
PIC12C5XX
TABLE 8-1:
CAPACITOR SELECTION
FOR CERAMIC RESONATORS
- PIC12C5XX
TABLE 8-2:
CAPACITOR SELECTION
FOR CRYSTAL OSCILLATOR -
PIC12C5XX
Osc
Type
Resonator
Freq
Cap. Range
C1
Cap. Range
C2
XT
4.0 MHz
30 pF
These values are for design guidance only. Since
each resonator has its own characteristics, the user
should consult the resonator manufacturer for
appropriate values of external components.
Osc
Type
Resonator
Freq
Cap.Range
C1
Cap. Range
C2
LP
32 kHz(1)
15 pF
XT
200 kHz
1 MHz
4 MHz
47-68 pF
15 pF
47-68 pF
15 pF
Note 1: For VDD > 4.5V, C1 = C2
≈ 30 pF is
recommended.
These values are for design guidance only. Rs may
be required to avoid overdriving crystals with low
drive level specification. Since each crystal has its
own characteristics, the user should consult the crys-
tal manufacturer for appropriate values of external
components.
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相关代理商/技术参数
参数描述
PIC12C508A-04I 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:PIC12C5XX Data Sheet Errata
PIC12C508A-04I/JW 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller
PIC12C508A-04I/MF 功能描述:8位微控制器 -MCU .75KB 25 RAM 6 I/O 4 MHz IndTemp DFN8 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
PIC12C508A-04I/P 功能描述:8位微控制器 -MCU .75KB 25 RAM 6 I/O 4 MHz IndTemp PDIP8 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
PIC12C508A-04I/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 12C508 DIP8
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