ST10F272B_12 STMICROELECTRONICS [STMicroelectronics], ST10F272B_12 Datasheet - Page 180
ST10F272B_12
Manufacturer Part Number
ST10F272B_12
Description
16-bit MCU with 256 Kbyte Flash memory and 12/20 Kbyte RAM
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST10F272B_12.pdf
(188 pages)
- Current page: 180 of 188
- Download datasheet (3Mb)
Electrical characteristics
24.8.20
24.8.20.1 Master mode
Table 82.
1. Maximum Baudrate is in reality 8Mbaud, that can be reached with 64MHz CPU clock and <SSCBR> set to ‘3h’, or with
2. Formula for SSC Clock Cycle time: t
3. Partially tested, guaranteed by design characterization.
180/188
t
t
t
t
t
t
t
t
t
t
t
300
301
302
303
304
305
306
307p
308p
307
308
Symbol
48MHz CPU clock and <SSCBR> set to ‘2h’. When 40MHz CPU clock is used the maximum baudrate cannot be higher
than 6.6Mbaud (<SSCBR> = ‘2h’) due to the limited granularity of <SSCBR>. Value ‘1h’ for <SSCBR> can be used only
with CPU clock equal to (or lower than) 32MHz.
Baudrate register, taken as unsigned 16-bit integer. Minimum limit allowed for t
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
SR
SR
SR
High-speed synchronous serial interface (SSC) timing
V
SSC master mode timings
Read data setup time before latch
edge, phase error detection on
(SSCPEN = 1)
Read data hold time after latch
edge, phase error detection on
(SSCPEN = 1)
Read data setup time before latch
edge, phase error detection off
(SSCPEN = 0)
Read data hold time after latch
edge, phase error detection off
(SSCPEN = 0)
DD
= 5V ±10%, V
Parameter
SS
300
(2))
= 0V, T
= 4 TCL x (<SSCBR> + 1) Where <SSCBR> represents the content of the SSC
(3)
A
Doc ID 11917 Rev 3
= -40 to +125°C, C
Max. Baudrate 6.6MBd
(1)
(<SSCBR> = 0002h)
@F
min.
37.5
150
– 2
63
63
50
25
CPU
–
–
–
0
= 40MHz
L
max.
150
= 50pF
10
10
15
–
–
–
–
–
–
–
300
is 125ns (corresponding to 8Mbaud).
2TCL + 12.5
t
t
300
300
(<SSCBR> = 0001h -
8TCL
4TCL
2TCL
min.
Variable Baudrate
/ 2 – 12
/ 2 – 12
– 2
–
–
–
0
ST10F272B/ST10F272E
FFFFh)
262144 TCL
max.
10
10
15
–
–
–
–
–
–
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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