參數(shù)資料
型號: TMS320F241PGS
廠商: TEXAS INSTRUMENTS INC
元件分類: 數(shù)字信號處理
英文描述: 0-BIT, 5 MHz, OTHER DSP, PQFP64
封裝: PLASTIC, QFP-64
文件頁數(shù): 118/122頁
文件大小: 1465K
代理商: TMS320F241PGS
TMS320F243,TMS320F241
DSP CONTROLLERS
SPRS064D DECEMBER 1997 REVISED FEBRUARY 2006
95
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
SPI slave mode external timing parameters (clock phase = 1) (see Figure 36)
NO.
MIN
MAX
UNIT
12
tc(SPC)S
Cycle time, SPICLK
8tc(CO)
ns
13§
tw(SPCH)S
Pulse duration, SPICLK high (clock polarity = 0)
0.5tc(SPC)S10 0.5tc(SPC)S
ns
13§
tw(SPCL)S
Pulse duration, SPICLK low (clock polarity = 1)
0.5tc(SPC)S10 0.5tc(SPC)S
ns
14§
tw(SPCL)S
Pulse duration, SPICLK low (clock polarity = 0)
0.5tc(SPC)S10 0.5tc(SPC)S
ns
14§
tw(SPCH)S
Pulse duration, SPICLK high (clock polarity = 1)
0.5tc(SPC)S10 0.5tc(SPC)S
ns
17§
tsu(SOMI-SPCH)S
Setup time, SPISOMI before SPICLK high (clock polarity = 0)
0.125tc(SPC)S
ns
17§
tsu(SOMI-SPCL)S
Setup time, SPISOMI before SPICLK low (clock polarity = 1)
0.125tc(SPC)S
ns
18§
tv(SPCH-SOMI)S
Valid time, SPISOMI data valid after SPICLK high
(clock polarity =0)
0.75tc(SPC)S
ns
18§
tv(SPCL-SOMI)S
Valid time, SPISOMI data valid after SPICLK low
(clock polarity =1)
0.75tc(SPC)S
ns
21§
tsu(SIMO-SPCH)S
Setup time, SPISIMO before SPICLK high (clock polarity = 0)
0
ns
21§
tsu(SIMO-SPCL)S
Setup time, SPISIMO before SPICLK low (clock polarity = 1)
0
ns
22§
tv(SPCH-SIMO)S
Valid time, SPISIMO data valid after SPICLK high
(clock polarity = 0)
0.5tc(SPC)S
ns
22§
tv(SPCL-SIMO)S
Valid time, SPISIMO data valid after SPICLK low
(clock polarity = 1)
0.5tc(SPC)S
ns
The MASTER/SLAVE bit (SPICTL.2) is cleared and the CLOCK PHASE bit (SPICTL.3) is set.
tc = system clock cycle time = 1/CLKOUT = tc(CO)
§ The active edge of the SPICLK signal referenced is controlled by the CLOCK POLARITY bit (SPICCR.6).
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