參數(shù)資料
型號(hào)： PIC12F675
廠商： Microchip Technology Inc.
英文描述： 8-Pin, 8-Bit CMOS Enhanced FLASH Microcontroller with A/D Converter and EEPROM Data Memory(-2.5~5.5V,具ADC,閃速微控制器)
中文描述： 8引腳，8位閃存微控制器的CMOS增強(qiáng)與A / D轉(zhuǎn)換器和EEPROM數(shù)據(jù)存儲(chǔ)器（-2.5?5.5V的，具藝術(shù)發(fā)展局，閃速微控制器）
文件頁(yè)數(shù)： 96/170頁(yè)
文件大小： 4191K
代理商： PIC12F675
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PIC16F62X
DS40300C-page 94
Preliminary
2003 Microchip Technology Inc.
FIGURE 14-2:
EXTERNAL PARALLEL
RESONANT CRYSTAL
OSCILLATOR CIRCUIT
Figure 14-3 shows a series resonant oscillator circuit.
This circuit is also designed to use the fundamental
frequency of the crystal. The inverter performs a 180
°
phase shift in a series resonant oscillator circuit. The
330 k
resistors provide the negative feedback to bias
the inverters in their linear region.
FIGURE 14-3:
EXTERNAL SERIES
RESONANT CRYSTAL
OSCILLATOR CIRCUIT
14.2.4
EXTERNAL CLOCK IN
For applications, where a clock is already available
elsewhere, users may directly drive the PIC16F62X
provided that this external clock source meets the
AC/DC timing requirements listed in Section 17.4.
Figure 14-4 shows how an external clock circuit should
be configured.
FIGURE 14-4:
EXTERNAL CLOCK INPUT
OPERATION (EC, HS, XT
OR LP OSC
CONFIGURATION)
14.2.5
ER OSCILLATOR
For timing insensitive applications, the ER (External
Resistor) Clock mode offers additional cost savings.
Only one external component, a resistor to V
SS
, is
needed to set the operating frequency of the internal
oscillator. The resistor draws a DC bias current which
controls the oscillation frequency. In addition to the
resistance value, the oscillator frequency will vary from
unit to unit, and as a function of supply voltage and
temperature. Since the controlling parameter is a DC
current and not a capacitance, the particular package
type and lead frame will not have a significant effect on
the resultant frequency.
Figure 14-5 shows how the controlling resistor is
connected to the PIC16F62X. For R
EXT
values below
10k, the oscillator operation becomes sensitive to
temperature. For very high R
EXT
values (e.g., 1M), the
oscillator becomes sensitive to leakage and may stop
completely. Thus, we recommend keeping R
EXT
between 10k and 1M.
FIGURE 14-5:
EXTERNAL RESISTOR
Table 14-3 shows the relationship between the
resistance value and the operating frequency.
TABLE 14-3:
RESISTANCE AND
FREQUENCY RELATIONSHIP
The ER Oscillator mode has two options that control
the unused OSC2 pin. The first allows it to be used as
a general purpose I/O port. The other configures the
pin as an output providing the F
OSC
signal (internal
clock divided by 4) for test or external synchronization
purposes.
+5V
10K
4.7K
10K
74AS04
XTAL
10K
74AS04
PIC16F62X
CLKIN
TO OTHER
DEVICES
C1
C2
330 K
74AS04
74AS04
PIC16F62X
CLKIN
TO OTHER
DEVICES
XTAL
330 K
74AS04
0.1 PF
Clock From
ext. system
PIC16F62X
OSC1/RA7
OSC2/RA6
RA6
Resistance
Frequency
0
10.4 MHz
1K
10 MHz
10K
7.4 MHz
20K
5.3 MHz
47K
3 MHz
100K
1.6 MHz
220K
800 kHz
470K
300 kHz
1M
200 kHz
RA7/OSC1/CLKIN
RA6/OSC2/CLKOUT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12F675 DEVELOPMENT BOARD KIT 功能描述:DEVELOPMENT BOARD FOR PIC12F675 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:*
PIC12F675 DEVELOPMENT KIT 功能描述:EMBEDDED C DEVELOPMENT KIT RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP
PIC12F675 I/SN0547 制造商:Microchip Technology Inc 功能描述:
PIC12F675-E 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, Flash-Based 8-Bit CMOS Microcontrollers
PIC12F675-E/MD 功能描述:8位微控制器 -MCU 1.75KB 64 RAM 6I/O Ext Temp QFN 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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