Zilog S3F80P5 - Manual (Page 4)

UM026602-0515 P R E L I M I N A R Y Overview
S3 Flash In-System Programmer
User Manual
1
Overview
Zilog’s S3 Flash In-System Programmer (S3USBISP000ZACG) provides an interface
between any development or application board with an S3 microcontroller device to the
high-speed USB port of a PC that has Zilog Developer Studio II (ZDS II) installed.
The In-System Programmer (ISP), shown in Figure 1, allows the Flash memory space on
any S3 Family device to be programmed, and also offers limited debugging capabilities
when used together with the Zilog Debug Library. The following features are available
with S3 Flash In-System Programmer when using ZDS II:
• Download code to Flash and begin program execution.
• Break program execution arbitrarily.
• Insert multiple breakpoints in a program at compile/assembly time; only one break-
point is triggered during program execution. To proceed with debugging, the MCU
must be reset.
• After an arbitrary break during breakpoint execution, the status of the chip (e.g., RAM
content), standard and special function registers can be examined in ZDS II.
Figure 1. The S3 Flash In-System Programmer