參數資料
型號: PIC17C766-33E/L
廠商: Microchip Technology
文件頁數: 41/159頁
文件大小: 0K
描述: IC MCU CMOS 33MHZ 16K EPRM84PLCC
標準包裝: 16
系列: PIC® 17C
核心處理器: PIC
芯體尺寸: 8-位
速度: 33MHz
連通性: I²C,SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數: 66
程序存儲器容量: 32KB(16K x 16)
程序存儲器類型: OTP
RAM 容量: 902 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
數據轉換器: A/D 16x10b
振蕩器型: 外部
工作溫度: -40°C ~ 125°C
封裝/外殼: 84-LCC(J 形引線)
包裝: 管件
配用: AC164318-ND - MODULE SKT MPLAB PM3 84PLCC
DVA17XL841-ND - DEVICE ADAPTER FOR PIC17C762
DM173001-ND - KIT DEVELOPMENT PICDEM17
AC164027-ND - ADAPTER PICSTART PLUS 84PLCC
AC174012-ND - MODULE SKT PROMATEII 84PLCC
2000 Microchip Technology Inc.
DS30289B-page 19
PIC17C7XX
4.1.4
EXTERNAL CLOCK OSCILLATOR
In the EC oscillator mode, the OSC1 input can be
driven by CMOS drivers. In this mode, the OSC1/
CLKIN pin is hi-impedance and the OSC2/CLKOUT pin
is the CLKOUT output (4 TOSC).
FIGURE 4-4:
EXTERNAL CLOCK INPUT
OPERATION (EC OSC
CONFIGURATION)
4.1.5
EXTERNAL CRYSTAL OSCILLATOR
CIRCUIT
Either a prepackaged oscillator can be used, or a sim-
ple oscillator circuit with TTL gates can be built. Pre-
packaged oscillators provide a wide operating range
and better stability. A well designed crystal oscillator
will provide good performance with TTL gates. Two
types of crystal oscillator circuits can be used: one with
series resonance, or one with parallel resonance.
Figure 4-5 shows implementation of a parallel resonant
oscillator circuit. The circuit is designed to use the fun-
damental frequency of the crystal. The 74AS04 inverter
performs the 180-degree phase shift that a parallel
oscillator requires. The 4.7 k
resistor provides the
negative feedback for stability. The 10 k
potentiome-
ter biases the 74AS04 in the linear region. This could
be used for external oscillator designs.
FIGURE 4-5:
EXTERNAL PARALLEL
RESONANT CRYSTAL
OSCILLATOR CIRCUIT
Figure 4-6 shows a series resonant oscillator circuit.
This circuit is also designed to use the fundamental fre-
quency of the crystal. The inverter performs a 180-
degree phase shift in a series resonant oscillator cir-
cuit. The 330
resistors provide the negative feedback
to bias the inverters in their linear region.
FIGURE 4-6:
EXTERNAL SERIES
RESONANT CRYSTAL
OSCILLATOR CIRCUIT
Clock from
ext. system
OSC1
OSC2
PIC17CXXX
CLKOUT
(FOSC/4)
20 pF
+5V
20 pF
10 k
4.7 k
10 k
74AS04
XTAL
10k
74AS04
PIC17CXXX
OSC1
To Other
Devices
330
74AS04
PIC17CXXX
OSC1
To Other
Devices
XTAL
330
74AS04
0.1
F
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PIC17C766-33I/L 功能描述:8位微控制器 -MCU 32KB 902 RAM 66 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT
PIC17C766-33I/L 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 17C766 PLCC84
PIC17C766-33I/PT 功能描述:8位微控制器 -MCU 32KB 902 RAM 66 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT
PIC17C766T-16/L 功能描述:8位微控制器 -MCU 16MHz 16K EPRM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT
PIC17C766T-16/PT 功能描述:8位微控制器 -MCU 32KB 902 RAM 66 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT