参数资料
型号: STR912FW42X6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, PQFP128
封装: 14 X 14 MM, PLASTIC, LQFP-128
文件页数: 63/73页
文件大小: 1538K
代理商: STR912FW42X6
Obsolete
Product(s)
- Obsolete
Product(s)
Electrical characteristics
STR91xF
66/73
6.14.5 SPI electrical characteristics
VDDQ = 2.7 - 3.6V, VDD = 1.65 - 2V, TA = -40 / 85 °C unless otherwise specified.
Table 29.
SPI electrical characteristics
Figure 22. SPI slave timing diagram with CPHA=0
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
LK
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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