參數(shù)資料
型號： pic16ce623
廠商： Microchip Technology Inc.
英文描述： OTP 8-Bit CMOS MCU with EEPROM Data Memory(8位OTP CMOS微控制器)
中文描述： 檢察官辦公室8位CMOS微控制器EEPROM數(shù)據(jù)存儲器（8位檢察官辦公室的CMOS微控制器）
文件頁數(shù)： 51/108頁
文件大?。?/td> 2355K
代理商： PIC16CE623
1998 Microchip Technology Inc.
Preliminary
DS40182A-page 51
PIC16CE62X
10.2
Oscillator Configurations
10.2.1
OSCILLATOR TYPES
The PIC16CE62X can be operated in four different
oscillator options. The user can program two
configuration bits (FOSC1 and FOSC0) to select one of
these four modes:
LP
Low Power Crystal
XT
Crystal/Resonator
HS
High Speed Crystal/Resonator
RC
Resistor/Capacitor
10.2.2
CRYSTAL OSCILLATOR / CERAMIC
RESONATORS
In XT, LP or HS modes a crystal or ceramic resonator
is connected to the OSC1 and OSC2 pins to establish
oscillation (Figure 10-2). The PIC16CE62X) 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, LP or
HS modes, the device can have an external clock
source to drive the OSC1 pin (Figure 10-3).
FIGURE 10-2: CRYSTAL OPERATION
(OR CERAMIC RESONATOR)
(HS, XT OR LP OSC
CONFIGURATION)
FIGURE 10-3: EXTERNAL CLOCK INPUT
OPERATION (HS, XT OR LP
OSC CONFIGURATION)
See Table 10-1 and Table 10-2 for recommended
values of C1 and C2.
Note:
A series resistor may be required for
AT strip cut crystals.
C1
C2
XTAL
OSC2
RS
OSC1
RF
SLEEP
To internal logic
PIC16CE62X
see Note
Clock from
ext. system
PIC16CE62X
OSC1
OSC2
Open
TABLE 10-1:
CERAMIC RESONATORS,
PIC16CE62X
TABLE 10-2:
CAPACITOR SELECTION
FOR CRYSTAL OSCILLATOR,
PIC16CE62X
1.
Recommended values of C1 and C2 are identical to the
ranges tested table.
Higher capacitance increases the stability of oscillator but
also increases the start-up time.
Since each resonator/crystal has its own characteristics,
the user should consult the resonator/crystal manufac-
turer for appropriate values of external components.
Rs may be required in HS mode as well as XT mode to
avoid overdriving crystals with low drive level specifica-
tion.
2.
3.
4.
Ranges Tested:
Mode
XT
Freq
OSC1
OSC2
68 - 100 pF
15 - 68 pF
15 - 68 pF
10 - 68 pF
10 - 22 pF
455 kHz
2.0 MHz
4.0 MHz
8.0 MHz
16.0 MHz
These values are for design guidance only.
See
notes at bottom of page.
Resonators Used:
455 kHz
Panasonic EFO-A455K04B
2.0 MHz
Murata Erie CSA2.00MG
4.0 MHz
Murata Erie CSA4.00MG
8.0 MHz
Murata Erie CSA8.00MT
16.0 MHz Murata Erie CSA16.00MX
All resonators used did not have built-in capacitors.
68 - 100 pF
15 - 68 pF
15 - 68 pF
10 - 68 pF
10 - 22 pF
HS
±
0.3%
±
0.5%
±
0.5%
±
0.5%
±
0.5%
Osc Type
Crystal
Freq
Cap. Range
C1
Cap. Range
C2
LP
32 kHz
200 kHz
200 kHz
1 MHz
4 MHz
4 MHz
8 MHz
20 MHz
33 pF
15 pF
47-68 pF
15 pF
15 pF
15 pF
15-33 pF
15-33 pF
33 pF
15 pF
47-68 pF
15 pF
15 pF
15 pF
15-33 pF
15-33 pF
XT
HS
These values are for design guidance only.
See
notes at bottom of page.
Crystals Used
32 kHz
Epson C-001R32.768K-A
200 kHz
STD XTL 200.000KHz
1 MHz
ECS ECS-10-13-1
4 MHz
ECS ECS-40-20-1
8 MHz
EPSON CA-301 8.000M-C
20 MHz
EPSON CA-301 20.000M-C
±
20 PPM
±
20 PPM
±
50 PPM
±
50 PPM
±
30 PPM
±
30 PPM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16CE623/JW 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 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(fēng)格:SMD/SMT
PIC16CE623-04/P 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 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(fēng)格:SMD/SMT
PIC16CE623-04/SO 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 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(fēng)格:SMD/SMT
PIC16CE623-04/SS 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 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(fēng)格:SMD/SMT
PIC16CE623-04E/P 功能描述:8位微控制器 -MCU .875KB 96 RAM 13 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(fēng)格:SMD/SMT
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