參數(shù)資料
型號(hào): DS89C440-QNL
英文描述: Ultra-High-Speed Flash Microcontrollers
中文描述: 超高速閃存微控制器
文件頁(yè)數(shù): 10/48頁(yè)
文件大?。?/td> 656K
代理商: DS89C440-QNL
DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
10 of 48
Figure 4. Serial Port Timing
t
XLXL
t
XHDV
t
XHDX
t
XHQX
t
QVXH
TRANSMIT
RECEIVE
ALE
WRITE TO SBUF
PSEN
RXD DATA OUT
TXD CLOCK
TXD CLOCK
R1
TI
WRITE TO SCON
TO CLEAR RI
RXD DATA IN
D0
DI
D3
D4
D2
D5
D6
D7
D7
D6
D5
D4
D3
D2
DI
D0
RXD DATA IN
TXD CLOCK
TO CLEAR RI
R
T
D0
DI
D6
D7
R1
D0
DI
D6
D7
1/(XTAL FREQ/12)
ALE
PSEN
WRITE TO SBUF
RXD DATA OUT
TXD CLOCK
TI
TXD CLOCK
SERIAL PORT (SYNCHRONOUS MODE)
SM2 = 0 TDX CLOCK = XTAL FREQ/12
SERIAL PORT (SYNCHRONOUS MODE)
SM2 = 1 TDX CLOCK = XTAL FREQ/4
相關(guān)PDF資料
PDF描述
DS89C450-ENL Ultra-High-Speed Flash Microcontrollers
DS89C450-MNL Ultra-High-Speed Flash Microcontrollers
DS89C450-QNL Ultra-High-Speed Flash Microcontrollers
DS89C430-DS89C450 Ultra-High-Speed Flash Microcontrollers
DS89C450 RES,Wirewound,301Ohms,1+/-% Tol,-20,20ppm-TC,4427-Case
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS89C440-QNL+ 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Ultra-High-Speed Flash Microcontrollers
DS89C440-XXX 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Ultra-High-Speed Flash Microcontrollers
DS89C450 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Ultra-High-Speed Flash Microcontrollers
DS89C450+ENG 制造商:Maxim Integrated Products 功能描述:MCU 8BIT CISC 64KB FLASH 5V 44TQFP - Trays
DS89C450+ENL 制造商:Maxim Integrated Products 功能描述:MCU 8BIT CISC 64KB FLASH 5V 44TQFP - Trays