参数资料
型号: TMX320LF2403AVFS
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件页数: 132/134页
文件大小: 1759K
代理商: TMX320LF2403AVFS
TMS320LF2407A,TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145K JULY 2000 REVISED AUGUST 2005
97
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
SPI slave mode timing parameters (continued)
SPI slave mode external timing parameters (clock phase = 1) (see Figure 44)
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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