Unless otherwise noted: TA=-40o
參數(shù)資料
型號: XR20M1280L40-0B-EB
廠商: Exar Corporation
文件頁數(shù): 52/63頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR20M1280L40
產(chǎn)品培訓(xùn)模塊: XR21V141x Full-Speed USB UART Family
UARTs with Integrated Level Shifters
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,UART
已用 IC / 零件: XR20M1280L40
已供物品:
其它名稱: 1016-1627
AC ELECTRICAL CHARACTERISTICS - SPI-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40o to +85oC, Vcc=1.62 - 3.63V
SYMBOL
PARAMETER
MIN
MAX
UNIT
CONDITIONS
fSCL
Operating frequency
26
MHz
TTR
CS# HIGH to SO three-state time
100
ns
CL = 15 pF
TCSS
CS# to SCL setup time
25
ns
TCSH
CS# to SCL hold time
20
ns
TDO
SCL fall to SO valid time
100
ns
CL = 15 pF
TDS
SI to SCL setup time
10
ns
TDH
SI to SCL hold time
10
ns
TCP
SCL period
40
ns
TCH + TCL
TCH
SCL HIGH time
20
ns
TCL
SCL LOW time
20
ns
TCSW
CS# HIGH pulse width
25
ns
TD9
SPI output data valid
200
ns
TD10
SPI modem output data valid
200
ns
TD11
SPI transmit interrupt clear
200
ns
TD12
SPI modem input interrupt clear
200
ns
TD13
SPI input pin interrupt clear
200
ns
TD14
SPI receive interrupt clear
200
ns
FIGURE 29. SPI-BUS TIMING
TCSH
TCSS
TDS
TDH
TCL
TCH
CS#
SCL
SI
SO
...
TCSH
TCSW
TDO
TTR
XR20M1280
56
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
REV. 1.0.0
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