st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 174

• Manufacturer Part Number: st10f269z1
• Description: St10f269 16-bit Mcu With Mac Unit, 256k Byte Flash Memory And 12k Byte Ram
• Manufacturer: STMicroelectronics

21.4.14 - High-Speed Synchronous Serial Interface (SSC) Timing
21.4.14.1 Master Mode
V
Note: 1. Timing guaranteed by design.
The formula for SSC Clock Cycle time is: t
Where <SSCBR> represents the content of the SSC Baud rate register, taken as unsigned 16-bit integer.
V
174/184
t
t
318p
t
t
t
t
t
t
t
t
t
t
CC
CC
317p
t
t
t
t
t
t
t
t
t
307p
308p
Symbol
310
311
312
313
314
315
316
317
300
301
302
303
304
305
306
307
308
Symbol
= 5V ±10%, V
= 5V ±10%, V
1
SR SSC clock cycle time
SR SSC clock high time
SR SSC clock low time
SR SSC clock rise time
SR SSC clock fall time
CC Write data valid after shift edge
CC Write data hold after shift edge
SR Read data setup time before latch edge,
SR Read data hold time after latch edge,
SR Read data setup time before latch edge,
CC SSC clock cycle time
CC SSC clock high time
CC SSC clock low time
CC SSC clock rise time
CC SSC clock fall time
CC Write data valid after shift edge
CC Write data hold after shift edge
SR Read data setup time before
SR Read data hold time after latch
SR Read data setup time before
SR Read data hold time after latch
phase error detection on (SSCPEN = 1)
phase error detection on (SSCPEN = 1)
phase error detection off (SSCPEN = 0)
latch edge, phase error
detection on (SSCPEN = 1)
edge, phase error detection on
(SSCPEN = 1)
latch edge, phase error
detection off (SSCPEN = 0)
edge, phase error detection off
(SSCPEN = 0)
SS
SS
= 0V, CPU clock = 40MHz, T
= 0V, CPU clock = 32MHz, T
Parameter
Parameter
1
300
Maximum Baud rate = 10M Baud
Minimum
= 4 TCL * (<SSCBR> + 1)
Maximum Baud rate=6.25MBd
37.5
100
(<SSCBR> = 0001h)
40
40
50
25
Minimum
-2
–
–
–
0
109.375
78.125
A
A
(<SSCBR> = 0001h)
52.5
52.5
125
= -40 to +125°C, C
= -40 to +125°C, C
–
–
–
0
6
Maximum
Maximum
100
10
10
15
–
–
–
–
–
–
–
45.25
10
10
–
–
–
–
–
–
–
L
L
= 50pF (PQFP144 devices)
= 50pF (TQFP144 devices)
(<SSCBR>=0001h-FFFFh) Unit
2TCL+12.5
t
t
Minimum
300
300
(<SSCBR>=0001h-FFFFh) Symb
t
t
Minimum
8 TCL
310
310
4TCL
2TCL
Variable Baud rate
4TCL +
6TCL +
15.625
15.625
8 TCL
/2 - 10
/2 - 10
-2
Variable Baud rate
–
–
–
0
/2 - 10
/2 - 10
–
–
–
0
6
262144 TCL
Maximum
262144 TCL
2 TCL + 14
Maximum
10
10
15
–
–
–
–
–
–
–
ST10F269
10
10
–
–
–
–
–
–
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
318p
t
t
t
t
t
t
t
t
317p
310
311
312
313
314
315
316
317
ol
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