SDA5250 Datasheet, PDF (98/143 Pages) Siemens Semiconductor Group – TVTEXT 8-Bit Microcontroller

SDA 525x
Write
to
SBUF
Internal Bus
1
DSQ
CL
SBUF
Zero Detector
RxD
&
P3.6 Alt.
Output
Function
Shift
Clock
REN
&
RI
Start
TX Control
TX Clock
TI
Send
Serial
1
Port
Interrupt
Start
RX Clock
RI _Receive
RX Control
1 1 1 1 1 1 1 0 ^Shift
Input Shift Register
Shift
Load
SBUF
Read
SBUF
SBUF
Internal Bus
Figure 28
Serial Port Mode 0, Functional Diagram
Semiconductor Group
98
1
TxD
&
P3.7 Alt.
Output
Function
Shift
Clock
RxD
P3.6 Alt.
Input
Function
UES04726
1998-04-08