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參數(shù)資料
| 型號： | PIC16C770-E/P |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 26/220頁 |
| 文件大小： | 0K |
| 描述： | IC MCU CMOS A/D 2K 20MHZ 20-DIP |
| 標準包裝： | 22 |
| 系列： | PIC® 16C |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 20MHz |
| 連通性： | I²C，SPI |
| 外圍設備： | 欠壓檢測/復位，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 15 |
| 程序存儲器容量： | 3.5KB（2K x 14） |
| 程序存儲器類型： | OTP |
| RAM 容量： | 256 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4 V ~ 5.5 V |
| 數(shù)據(jù)轉換器： | A/D 6x12b |
| 振蕩器型： | 內部 |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 包裝： | 管件 |
| 配用： | DVA16XP200-ND - ADAPTER ICE 20DIP/SOIC/SSOP AC164028-ND - MODULE SKT PROMATEII 20SOIC/DIP |
| 其它名稱： | PIC16C770E/P |
2002 Microchip Technology Inc.
DS41120B-page 119
PIC16C717/770/771
12.2
Oscillator Configurations
12.2.1
OSCILLATOR TYPES
The PIC16C717/770/771 can be operated in eight dif-
ferent Oscillator modes. The user can program three
configuration bits (FOSC<2:0>) to select one of these
eight modes:
LP
Low Power Crystal
XT
Crystal/Resonator
HS
High Speed Crystal/Resonator
ER
External Resistor (with and without
CLKOUT)
INTRC
Internal 4 MHz (with and without
CLKOUT)
EC
External Clock
12.2.2
LP, XT AND HS MODES
In LP, XT or HS modes, a crystal or ceramic resonator
is connected to the OSC1/CLKIN and OSC2/CLKOUT
pins
to
establish
oscillation
The
PIC16C717/770/771 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 spec-
ifications.
FIGURE 12-1:
CRYSTAL/CERAMIC
RESONATOR OPERATION
(HS, XT OR LP
OSC CONFIGURATION)
TABLE 12-1:
CERAMIC RESONATORS
TABLE 12-2:
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
12.2.3
EC MODE
In applications where the clock source is external, the
PIC16C717/770/771 should be programmed to select
the EC (External Clock) mode. In this mode, the RA6/
OSC2/CLKOUT pin is available as an I/O pin. See
Figure 12-2 for illustration.
FIGURE 12-2:
EXTERNAL CLOCK INPUT
OPERATION (EC OSC
CONFIGURATION)
Note1:
See Table 12-1 and Table 12-2 for recom-
mended values of C1 and C2.
2:
A series resistor (RS) may be required for
AT strip cut crystals.
3:
RF varies with the Crystal mode chosen.
C1(1)
C2(1)
XTAL
OSC2
OSC1
RF(3)
SLEEP
To
logic
PIC16C717/770/771
RS(2)
internal
Ranges Tested:
Mode
Freq
OSC1
OSC2
XT
455 kHz
2.0 MHz
4.0 MHz
68 - 100 pF
15 - 68 pF
68 - 100 pF
15 - 68 pF
HS
8.0 MHz
16.0 MHz
10 - 68 pF
10 - 22 pF
10 - 68 pF
10 - 22 pF
These values are for design guidance only. See
notes at bottom of page.
All resonators used did not have built-in capacitors.
Osc Type
Crystal
Freq
Cap. Range
C1
Cap. Range
C2
LP
32 kHz
33 pF
200 kHz
15 pF
XT
200 kHz
47-68 pF
1 MHz
15 pF
4 MHz
15 pF
HS
4 MHz
15 pF
8 MHz
15-33 pF
20 MHz
15-33 pF
These values are for design guidance only. See
notes at bottom of page.
Note 1: Since each resonator/crystal has its own
characteristics, the user should consult the
resonator/crystal manufacturer for appropri-
ate values of external components.
2: Higher capacitance increases the stability of
oscillator but also increases the start-up
time.
OSC1
RA6
I/O
Clock from
ext. system
PIC16C717/770/771
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相關代理商/技術參數(shù) |
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|---|---|
| PIC16C770-I/P | 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| PIC16C770-I/P | 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 16C770 DIP20 |
| PIC16C770-I/SO | 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| PIC16C770-I/SS | 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| PIC16C770T/SO | 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
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