tMCS TIME PERIODS
參數(shù)資料
型號: DS87C550-QNL
廠商: Maxim Integrated Products
文件頁數(shù): 33/49頁
文件大?。?/td> 0K
描述: IC MCU EPROM ADC/PWM HS 68-PLCC
標準包裝: 18
系列: 87C
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,SIO,UART/USART
外圍設(shè)備: 電源故障復(fù)位,PWM,WDT
輸入/輸出數(shù): 55
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: OTP
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 68-LCC(J 形引線)
包裝: 管件
DS87C550 EPROM High-Speed Microcontroller with ADC and PWM
39 of 49
tMCS TIME PERIODS
System Clock Selection
tMCS
4X/ 2X , CD1, CD0 = 100
1 tCLCL
4X/ 2X , CD1, CD0 = 000
2 tCLCL
4X/ 2X , CD1, CD0 = x10
4 tCLCL
4X/ 2X , CD1, CD0 = x11
1024 tCLCL
RD
, WR PULSE WIDTH WITH STRETCH CYCLES
RD
, WR Pulse Width (in oscillator clocks)
MD2
MD1
MD0
MOVX
Machine
Cycles
4X/ 2X =1
CD1:0=00
4X/ 2X =0
CD1:0=00
4X/ 2X =x
CD1:0=10
4X/ 2X =x
CD1:0=11
0
2
0.5 tCLCL
1 tCLCL
2 tCLCL
2048 tCLCL
0
1
3
tCLCL
2 tCLCL
4 tCLCL
4096 tCLCL
0
1
0
4
2 tCLCL
4 tCLCL
8 tCLCL
8192 tCLCL
0
1
5
3 tCLCL
6 tCLCL
12 tCLCL
12288 tCLCL
1
0
9
4 tCLCL
8 tCLCL
16 tCLCL
16384 tCLCL
1
0
1
10
5 tCLCL
10 tCLCL
20 tCLCL
20480 tCLCL
1
0
11
6 tCLCL
12 tCLCL
24 tCLCL
24576 tCLCL
1
12
7 tCLCL
14 tCLCL
28 tCLCL
28672 tCLCL
EXTERNAL CLOCK CHARACTERISTICS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Clock High Time
tCHCX
10
ns
Clock Low Time
tCLCX
10
ns
Clock Rise Time
tCLCL
5
ns
Clock Fall Time
tCHCL
5
ns
SERIAL PORT MODE 0 TIMING CHARACTERISTICS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Serial Port Clock Cycle Time
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
tXLXL
12tCLCL
4tCLCL
ns
Output Data Setup to Clock Rising
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
tQVXH
12tCLCL
4tCLCL
ns
Output Data Hold from Clock Rising
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
tXHQX
12tCLCL
4tCLCL
ns
Input Data Hold from Clock Rising
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
tXHDX
12tCLCL
4tCLCL
ns
Clock Rising Edge to Input Data Valid
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
tXHDV
12tCLCL
4tCLCL
ns
相關(guān)PDF資料
PDF描述
MC908LK24CPBE IC MCU 8BIT 64-LQFP
1588908-1 JR FRRL KIT, PC 126 SEALED
1278530-1 RETAINING CLIP, 1X4 BACKPLANE
1544551-1 CONNECTOR 5V 6.35
492578-1 DUST COVER,DAUGHTER CARD HSG
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS88 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
DS8800 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Voltage Level Translator
DS8800H 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Voltage Level Translator
DS8800H/A+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TTL-to-MOS Translator
DS8802J/A+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MOS-to-TTL Translator