參數(shù)資料
型號(hào): SAF-C513A-HN
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 111/128頁
文件大?。?/td> 1837K
代理商: SAF-C513A-HN
Semiconductor Group
6-50
On-Chip Peripheral Units
Note: SSCCON must be programmed only when the SSC is idle. Modifying the contents of
SSCCON while a transmission is in progress will corrupt the current transfer and will lead to
unpredictable results.
CPHA
Clock Phase
This bit controls in conjunction with the CPOL bit controls which clock edges are
used for sample and shift
CPHA=0 : The first clock edge of SCLK is used to sample the data, the second
to shift the next bit out at STO.
In master mode the transmitter will provide the first data bit on STO
immediately after the data was written into the STB register.
In slave mode the transmitter (if enabled via TEN) will shift out the
first data bit with the falling edge of SLS .
CPHA=1 : The first data bit is shifted out with the first clock edge of SCLK and
sampled with the second clock edge
BRS2,
BRS1, BRS0
Baudrate Selection Bits
These bits select one of the possible divide factors for generating the baudrate out
of the micrcontroller clock rate fosc . The baudrate is defined by .
for BRS (2-0)
0
Bit
Function
Baudrate
fosc
Dividefactor
--------------------------------
fosc
42
BRS 2
0
()
------------------------------------
==
BRS(2-0)
Divide
Factor
Example:
Baudrate for fosc
= 7.68 MHz
0
reserved
1
8
960 kBaud
2
16
480 kBaud
3
32
240 kBaud
4
64
120 kBaud
5
128
60 kBaud
6
256
30 kBaud
7
512
15 kBaud
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