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UPSD3233 Fiches technique(PDF) 61 Page - STMicroelectronics

No de pièce UPSD3233
Description  Flash Programmable System Devices with 8032 Microcontroller Core
PDF  170 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3233 Fiches technique(HTML) 61 Page - STMicroelectronics

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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Figure 27. Serial Port Mode 0, Block Diagram
Figure 28. Serial Port Mode 0, Waveforms
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
S6
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
P3.0 Alt
Output
Function
TxD
P3.1 Alt
Output
Function
AI06825
Write to SBUF
Send
Shift
RxD (Data Out)
TxD (Shift Clock)
T
Write to SCON
RI
Receive
Shift
RxD (Data In)
TxD (Shift Clock)
S6P2
S3P1
S6P1
Clear RI
Receive
Transmit
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7



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