参数资料
型号: STM32F105VCH7XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, BGA100
封装: ROHS COMPLIANT, LFBGA-100
文件页数: 58/90页
文件大小: 998K
代理商: STM32F105VCH7XXX
STM32F105xx, STM32F107xx
Electrical characteristics
I2S - SPI interface characteristics
Unless otherwise specified, the parameters given in Table 42 for SPI or in Table 43 for I2S
are derived from tests performed under the ambient temperature, fPCLKx frequency and VDD
supply voltage conditions summarized in Table 9.
Refer to Section 5.3.12: I/O port characteristics for more details on the input/output alternate
function characteristics (NSS, SCK, MOSI, MISO for SPI and WS, CK, SD for I2S).
Table 42.
SPI characteristics(1)
1.
Remapped SPI1 characteristics to be determined.
Symbol
Parameter
Conditions
Min
Max
Unit
fSCK
1/tc(SCK)
SPI clock frequency
Master mode
0
18
MHz
Slave mode
0
18
tr(SCK)
tf(SCK)
SPI clock rise and fall
time
Capacitive load: C = 30 pF
8
ns
tsu(NSS)
(2)
2.
Based on characterization, not tested in production.
NSS setup time
Slave mode
4 tPCLK
th(NSS)
NSS hold time
Slave mode
73
tw(SCKH)
tw(SCKL)
SCK high and low time
Master mode, fPCLK = 36 MHz,
presc = 4
50
60
tsu(MI)
Data input setup time
Master mode
SPI1
1
SPI2
5
tsu(SI)
Data input setup time
Slave mode
1
th(MI)
Data input hold time
Master mode
SPI1
1
SPI2
5
th(SI)
Data input hold time
Slave mode
3
ta(SO)
(2)(3)
3.
Min time is for the minimum time to drive the output and the max time is for the maximum time to validate
the data.
Data output access
time
Slave mode, fPCLK = 36 MHz,
presc = 4
055
Slave mode, fPCLK = 24 MHz
0
4 tPCLK
(2)(4)
4.
Min time is for the minimum time to invalidate the output and the max time is for the maximum time to put
the data in Hi-Z
Data output disable
time
Slave mode
10
tv(SO)
Data output valid time
Slave mode (after enable edge)
25
tv(MO)
Data output valid time
Master mode (after enable edge)
3
th(SO)
Data output hold time
Slave mode (after enable edge)
25
th(MO)
Master mode (after enable edge)
4
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