參數(shù)資料
型號: P83C591VFB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Single-chip 8-bit microcontroller with CAN controller
中文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 63/161頁
文件大小: 588K
代理商: P83C591VFB
1999 Aug 19
63
Philips Semiconductors
Objective Specification
Single-chip 8-bit microcontroller with CAN controller
P8xC591
14.3.3
B
AUD
R
ATE
G
ENERATION
O
VERVIEW
O
F
O
PTIONS
Depending on the programmed operating mode different paths are selected for the baud rate clock generation. Figure 23
shows the dependencies of the serial port baud rate clock generation on the two control bits and from the mode which
is selected in the Special Function Register SCON:
Fig.23 Baud Rate Generation for the Serial Port.
Note: The switch configuration shows the reset state.
handbook, full pagewidth
MHI024
BAUD
RATE
GENERATOR
BAUD
RATE
CLOCK
÷
6
(S0PSH
S0PSL)
S0PSH.7
(SPS)
overflow
fCLK
SCON.7
SCON.6
(SM0/FE)
mode 1
mode 3
only one
mode can be selected
mode 2
mode 0
0
1
PCON.7
(SMOD1)
0
1
÷
2
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