参数资料
型号: ST10F168-Q3
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP144
封装: 28 X 28 MM, PLASTIC, QFP-144
文件页数: 29/74页
文件大小: 479K
代理商: ST10F168-Q3
ST10F168
35/74
High Speed Synchronous Serial Channel (SSC)
The High-Speed Synchronous Serial Interface
SSC provides flexible high-speed serial communi-
cation between the ST10F168 and other microcon-
trollers, microprocessors or external peripherals.
The SSC supports full-duplex and half-duplex syn-
chronous communication; The serial clock signal
can be generated by the SSC itself (master mode)
or be received from an external master (slave
mode). Data width, shift direction, clock polarity
and phase are programmable.
This allows communication with SPI-compatible
devices. Transmission and reception of data is
double-buffered. A 16-bit Baud rate generator pro-
vides the SSC with a separate serial clock signal.
The serial channel SSC has its own dedicated
16-bit Baud rate generator with 16-bit reload
capability, allowing Baud rate generation indepen-
dent from the timers.
SSCBR is the dual-function Baud rate Generator /
Reload register. Table 19 lists some possible
Baud rates against the required reload values and
the resulting bit times for a 25MHz CPU clock.
Note: The deviation errors given in the Table 18
are rounded. To avoid deviation errors use
a Baud rate crystal (providing a multiple of
the ASC0/SSC sampling frequency).
Table 19 : Synchronous Baud rate and reload
values
Baud Rate
Bit Time
Reload Value
Reserved use a
reload value > 0.
---
0000h
5M Baud
200ns
0001h
3.3M Baud
303ns
0002h
2.5M Baud
400ns
0004h
2M Baud
500ns
0005h
1M Baud
1
s
000Bh
100K Baud
10
s
007Ch
10K Baud
100
s
04E1h
1K Baud
1ms
30D3h
190.7 Baud
5.2ms
FFF Fh
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