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ST72344S2 bảng dữ liệu(PDF) 147 Page - STMicroelectronics

tên linh kiện ST72344S2
Giải thích chi tiết về linh kiện  SCI asynchronous serial interface
PDF  247 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST72344S2 bảng dữ liệu(HTML) 147 Page - STMicroelectronics

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ST72344xx, ST2345xx
On-chip peripherals
Doc ID 12321 Rev 6
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Bits 5:3 = SCT[2:0] SCI Transmitter rate divisor
These 3 bits, in conjunction with the SCP1 and SCP0 bits, define the total division
applied to the bus clock to yield the transmit rate clock in conventional baud rate
Generator mode.
Note:
This TR factor is used only when the ETPR fine tuning factor is equal to 00h; otherwise, TR
is replaced by the (TR*ETPR) dividing factor.
Bits 2:0 = SCR[2:0] SCI Receiver rate divisor.
These 3 bits, in conjunction with the SCP1 and SCP0 bits, define the total division
applied to the bus clock to yield the receive rate clock in conventional Baud Rate
Generator mode.
Table 59.
SCP[1:0] configuration
PR prescaling factor
SCP1
SCP0
1
0
0
31
4
1
0
13
1
Table 60.
SCT[2:0] configuration
TR dividing factor
SCT2
SCT1
SCT0
1
0
0
0
21
4
1
0
81
16
1
0
0
32
1
64
1
0
128
1
Table 61.
SCR[2:0] configuration
RR dividing factor
SCR2
SCR1
SCR0
1
0
0
0
21
4
1
0
81
16
1
0
0
32
1
64
1
0
128
1



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