參數(shù)資料
型號(hào): STR91XF
廠商: 意法半導(dǎo)體
元件分類: ADC
英文描述: ARM966E-S 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC Motor Control, 4 Timers, ADC, RTC, DMA
中文描述: ARM966E - ? 16/32位閃存微控制器與以太網(wǎng),USB,加拿大,交流電機(jī)控制,4個(gè)計(jì)時(shí)器,模數(shù)轉(zhuǎn)換器,RTC和DMA的
文件頁(yè)數(shù): 62/72頁(yè)
文件大小: 664K
代理商: STR91XF
STR91xF
Electrical characteristics
65/72
6.13.5 SPI electrical characteristics
VDDQ = 2.7 - 3.6V, VDD = 1.65 - 2V, TA = -40 / 85 °C unless otherwise specified.
Table 25.
SPI electrical characteristics
Figure 22. SPI slave timing diagram with CPHA=0 1)
Notes: 1 Measurement points are done at CMOS levels: 0.3xVDD and 0.7xVDD.
Symbol
Parameter
Test Conditions
Value
Unit
Typ
Max
fSCLK
1/tc(SCLK)
SPI clock frequency
Master
24
MHz
Slave
4
tr(SCLK)
SPI clock rise and fall times
50pF load
0.1
V/ns
tf(SCLK)
tsu(SS)
SS setup time
Slave
1
tPCLK
th(SS)
SS hold time
Slave
1
tw(SCLKH)
tw(SCLKL)
SCLK high and low time
Master
Slave
1
tsu(MI)
tsu(SI)
Data input setup time
Master
Slave
5
th(MI)
th(SI)
Data input hold time
Master
Slave
6
ta(SO)
Data output access time
Slave
6
tdis(SO)
Data output disable time
Slave
6
tv(SO)
Data output valid time
Slave (after enable
edge)
6
th(SO)
Data output hold time
0
tv(MO)
Data output valid time
Master (before capture
edge)
0.25
th(MO)
Data output hold time
0.25
NSS INPUT
SC
L
K
INPUT
CPHA=0
MOSI INPUT
MISO OUTPUT
CPHA=0
tc(SCLK)
tw(SCLKH)
tw(SCLKL)
tr(SCLK)
tf(SCLK)
tv(SO)
ta(SO)
tsu(SI)
th(SI)
MSB OUT
MSB IN
BIT6 OUT
LSB IN
LSB OUT
CPOL=0
CPOL=1
tsu(NSS)
th(NSS)
tdis(SO)
th(SO)
BIT1 IN
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