參數(shù)資料
型號(hào)： uPSD3251
廠商： 意法半導(dǎo)體
英文描述： Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的Flash可編程系統(tǒng)設(shè)備)
中文描述： 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核（帶8032微控制器內(nèi)核的閃存可編程系統(tǒng)設(shè)備）
文件頁數(shù)： 55/128頁
文件大小： 1566K
代理商： UPSD3251
55/128
μPSD3251F
Serial Port Control Register
The serial port control and status register is the
Special Function Register SCON (SCON2 for the
second port), shown in Figure 25. This register
(see Tables 42 and 43) contains not only the mode
selection bits, but also the 9th data bit for transmit
and receive (TB8 and RB8), and the Serial Port In-
terrupt Bits (TI and RI).
Figure 25. Serial Port Mode 0, Block Diagram
Table 42. Serial Port Control Register (SCON)
7
6
5
4
3
2
1
0
SM0
SM1
SM2
REN
TB8
RB8
TI
RI
AI06824
Zero Detector
Internal Bus
Tx Control
T
Rx Control
7 6 5 4 3 2 1 0
Internal Bus
SBUF
Write
to
SBUF
Read
SBUF
Load
SBUF
SBUF
Input Shift Register
Shift
Shift
Clock
Serial
Port
Interrupt
S6
REN
R1
Rx Clock
Start
Tx Clock
Start
Shift
Shift
Send
Receive
R
CL
D
S
Q
RxD
P3.0 Alt
Input
Function
RxD
P3.0 Alt
Output
Function
TxD
P3.1 Alt
Output
Function
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