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UPSD3422 Datasheet(PDF) 113 Page - STMicroelectronics

Part # UPSD3422
Description  Turbo Plus series Fast Turbo 8032 MCU with USB and programmable logic
PDF  300 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3422 Datasheet(HTML) 113 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
UPSD3422, UPSD3433, UPSD3434, UPSD3454
Serial UART interfaces
113/300
Figure 30.
UART mode 0, block diagram
Figure 31.
UART mode 0, timing diagram
AI06824
Zero Detector
Internal Bus
Tx Control
Rx Control
Internal Bus
SBUF
Write
to
SBUF
Read
SBUF
Load
SBUF
SBUF
Input Shift Register
Shift
Shift
Clock
Serial
Port
Interrupt
fOSC/12
REN
R1
Rx Clock
Start
Tx Clock
Start
Shift
Shift
Send
Receive
T
R
CL
DS
Q
7 6 5 4 3 2 1 0
RxD
P3.0 Alt
Input
Function
RxD
Pin
TxD
Pin
AI06825
Write to SBUF
Send
Shift
RxD (Data Out)
TxD (Shift Clock)
TI
Write to SCON
RI
Receive
Shift
RxD (Data In)
TxD (Shift Clock)
Clear RI
Receive
Transmit
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
Obsolete
Product(s)
- Obsolete
Product(s)



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