參數(shù)資料
型號: ST10F269Z2Q3
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
封裝: 28 X 28 MM, PLASTIC, QFP-144
文件頁數(shù): 66/160頁
文件大?。?/td> 1541K
代理商: ST10F269Z2Q3
ST10F269
158/160
21.4.14.2 Slave mode
VCC = 5V ±10%, VSS = 0V, CPU clock = 40MHz, TA = -40 to +125°C, CL = 50pF
The formula for SSC Clock Cycle time is: t310 = 4 TCL * (<SSCBR> + 1)
Where <SSCBR> represents the content of the SSC Baud rate register, taken as unsigned 16-bit integer.
Notes: 1. The phase and polarity of shift and latch edge of SCLK is programmable. This figure uses the leading clock edge as shift edge (drawn
in bold), with latch on trailing edge (SSCPH = 0b), Idle clock line is low, leading clock edge is low-to-high transition (SSCPO = 0b).
2. The bit timing is repeated for all bits to be transmitted or received.
Symbol
Parameter
Maximum Baud rate=10MBd
(<SSCBR> = 0001h)
Variable Baud rate
(<SSCBR>=0001h-FFFFh)
Unit
Minimum
Maximum
Minimum
Maximum
t310 SR SSC clock cycle time
100
8 TCL
262144 TCL
ns
t311 SR SSC clock high time
40
t310/2 - 10
–ns
t312 SR SSC clock low time
40
t310/2 - 10
–ns
t313 SR SSC clock rise time
10
10
ns
t314 SR SSC clock fall time
10
10
ns
t315 CC Write data valid after shift edge
39
2 TCL + 14
ns
t316 CC Write data hold after shift edge
0
0
ns
t317p SR Read data setup time before latch edge,
phase error detection on (SSCPEN = 1)
62
4TCL + 12
ns
t318p
1
SR Read data hold time after latch edge,
phase error detection on (SSCPEN = 1)
87
6TCL + 12
ns
t317 SR Read data setup time before latch edge,
phase error detection off (SSCPEN = 0)
6–
6
ns
t318 SR Read data hold time after latch edge,
phase error detection off (SSCPEN = 0)
31
2TCL + 6
ns
Figure 82 : SSC Slave Timing
t
313
t
314
t
315
t
315
t
315
t
316
1st Out Bit
Last Out Bit
2nd Out Bit
t
310
t
312
t
311
1)
2)
t
317
2nd.In Bit
1st.In Bit
t
318
t
317
Last.In Bit
t
318
SCLK
MRST
MTSR
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