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| SDA5250 Datasheet, PDF (102/143 Pages) Siemens Semiconductor Group – TVTEXT 8-Bit Microcontroller | |||
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SDA 525x
Internal Bus
TB8
Write
to
SBUF
S
Q
SBUF
&
D
CL
Zero Detector
Phase 2 CLK
.. 16
SMOD=1
.. 2
SMOD=0
(PCON.7)
Sample
1-to-0
Transition
Detector
RxD
Stop Bit Gen.
Shift
Start
TX Control
Data
TX Clock
TI Send
Serial
1
Port
Interrupt
.. 16
RX Clock
RI Load
Start
RX Control
SBUF
1FFH Shift
Bit
Detector
Load
SBUF
Input Shift Register
(9 Bits)
Shift
Read
SBUF
Internal Bus
SBUF
Figure 32
Serial Port Mode 2, Functional Diagram
Semiconductor Group
102
1 TxD
UES04730
1998-04-08
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