C501G-1E SIEMENS [Siemens Semiconductor Group], C501G-1E Datasheet - Page 71

• Manufacturer Part Number: C501G-1E
• Description: 8-Bit Single-Chip Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 6-19
Serial Interface, Mode 0, Functional Diagram
Semiconductor Group
SBUF
Write
to
REN
RI
Rate
Clock
Baud
S
D
CLK
&
S6
1
Q
Start
TX Clock
Start
RX Clock
Interrupt
Load
SBUF
Read
SBUF
Internal Bus
Internal Bus
Serial
Port
1 1 1 1 1 1 1
Zero Detector
Input Shift Register
RX Control
TX Control
<
_
SBUF
1
SBUF
6-37
TI
RI
Receive
0
On-Chip Peripheral Components
Send
Shift
Shift
Shift
MCS02101
Shift
Clock
<
_
&
RXD
P3.0 Alt.
Input
Function
1
RXD
P3.0 Alt.
Output
Function
&
TXD
P3.1 Alt.
Output
Function
C501