C509-L_97 SIEMENS [Siemens Semiconductor Group], C509-L_97 Datasheet - Page 240

• Manufacturer Part Number: C509-L_97
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Bootstrap Loader
C509-L
Figure 10-1
The Three Phases of the Bootstrap Loader
The serial communication, which is activated in phase II is performed with the integrated serial
interface 0 of the C509-L. Using a full- or half-duplex serial cable (RS232) the MCU must be
connected to the serial port of the host computer as shown in figure 10-.
Figure 10-2
Bootstrap Loader Interface to the PC
Semiconductor Group
10-2
1997-10-01