TIME" />
參數(shù)資料
型號: AT90S8535-8PI
廠商: Atmel
文件頁數(shù): 11/127頁
文件大小: 0K
描述: IC MCU 8K FLSH 8MHZ A/D IT 40DIP
標準包裝: 18
系列: AVR® 90S
核心處理器: AVR
芯體尺寸: 8-位
速度: 8MHz
連通性: SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 8KB(4K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 512 x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
數(shù)據(jù)轉換器: A/D 8x10b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
PIC16C71X
DS30272A-page 108
1997 Microchip Technology Inc.
Applicable Devices
710 71 711 715
FIGURE 12-22: TYPICAL XTAL STARTUP
TIME vs. VDD (LP MODE, 25
°C)
FIGURE 12-23: TYPICAL XTAL STARTUP
TIME vs. VDD (HS MODE,
25
°C)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VDD(Volts)
Star
tup
Time(Seconds)
32 kHz, 33 pF/33 pF
200 kHz, 15 pF/15 pF
7
6
5
4
3
2
1
4.0
4.5
5.0
5.5
6.0
VDD(Volts)
Star
tup
Time(ms)
20 MHz, 33 pF/33 pF
8 MHz, 33 pF/33 pF
8 MHz, 15 pF/15 pF
20 MHz, 15 pF/15 pF
FIGURE 12-24: TYPICAL XTAL STARTUP
TIME vs. VDD (XT MODE, 25
°C)
TABLE 12-2:
CAPACITOR SELECTION
FOR CRYSTAL
OSCILLATORS
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
Crystals
Used
32 kHz
Epson C-001R32.768K-A
± 20 PPM
200 kHz
STD XTL 200.000KHz
± 20 PPM
1 MHz
ECS ECS-10-13-1
± 50 PPM
4 MHz
ECS ECS-40-20-1
± 50 PPM
8 MHz
EPSON CA-301 8.000M-C
± 30 PPM
20 MHz
EPSON CA-301 20.000M-C
± 30 PPM
70
60
50
40
30
20
10
0
3.0
3.5
2.5
4.0
5.0
5.5
6.0
4.5
VDD(Volts)
Star
tup
Time(ms)
200 kHz, 68 pF/68 pF
200 kHz, 47 pF/47 pF
1 MHz, 15 pF/15 pF
4 MHz, 15 pF/15 pF
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