C868_02 Datasheet, PDF (152/244 Pages) Infineon Technologies AG – 8 - Bit CMOS Microcontroller

C868
On-Chip Peripheral Components
Internal Bus
1
Write
to
SBUF
S
Q
SBUF
&
D
CLK
Zero Detector
÷ 16
Baud
Rate
Clock
Sample
1-to-0
Transition
Detector
RXD
Start
TX Clock
Shift
Data
TX Control
TI ^Send
Serial
1
Port
Interrupt
÷ 16
RX
RI Load
Start
RX Control
SBUF
1FFH Shift
Bit
Detector
Load
SBUF
Input Shift Register
(9Bits)
Shift
Read
SBUF
SBUF
Internal Bus
MCS02103
Figure 4-37 Serial Interface, Mode 1, Functional Diagram
User’s Manual
4-108
1 TXD
V 0.4, 2002-01