UM0231 Datasheet PDF - STMicroelectronics
| Part Number | UM0231 | |
| Description | User manual AD-ICD in-circuit debugging adapter | |
| Manufacturers | STMicroelectronics | |
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UM0231
User manual
AD-ICD in-circuit debugging adapter
Introduction
The In-circuit debugging adapter (AD-ICD/DS8Z-01) makes it possible to debug an
application while it runs on an ST7FLiteUS microcontroller with any in-circuit debugging
(ICD) tool that uses the In-Circuit Communication (ICC) protocol for ST7.
In-circuit debugging with ICC protocol and 10-pin ICC connection requires the use of a
minimum of 4 pins on the target ST7 microcontroller. This constitutes an important
imposition on the limited pin resources of low pin count microcontrollers such as the
ST7FLiteUS (available in DIP8, SO8 and DFN8 packages).
To allow you to take full advantage of the available pins on the target device for your
application, the AD-ICD adapter uses a variant of the target microcontroller with additional
pins for in-circuit debugging. The additional pins allow the connections required for in-circuit
debugging so that none of the pins used as I/Os on the standard target microcontroller need
be used for ICD.
Figure 1. In-Circuit Debugging Adapter for ST7LiteUS
Host PC running an integrated
development environment supporting
in-circuit debugging such as STVD7.
Any in-circuit debugging tool that
uses the ICC protocol for ST7
(10-pin ICC connection).
ICD Adapter with microcontroller
and 10-pin ICC connector
Application board Connector is a
package-specific connector that
receives the ICD adapter.
Application Board
The ICD Adapter connects to your application board in place of the target microcontroller
and to any in-circuit debugging tool via a 10-pin ICC connector. For connection to the user
application board, the ICD Adapter can be used with connectors/device adapters for all
available packages of the target MCU (DIP8, SO8, DFN8). These connectors/device
adapters are to be installed on the MCU footprint in place of the target device.
September 2006
Rev 2
1/15
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2 Configuring the ICD adapter
2 Configuring the ICD adapter
The following sections provide instructions about configuring your ICD adapter for In-circuit
debugging or to Run the application in standalone mode. Delivered from the factory, the AD-
ICD/DS8Z-01 is configured as follows:
Table 1. Default configuration of the AD-ICD/DS8Z-01 from factory
Identifier on
ICD adapter
Configuration
Purpose
Jumpers
Solder points
TP1
TP2
G1
G2
Fitted
Not fitted
Soldered
Not soldered
Allow connection for in-circuit
debugging/programming
Run application in standalone mode
Connects tool to the microcontroller’s VDD pin
(accommodate tools with a power supply
follower)
Connect tool’s clock signal to microcontroller’s
CLKIN pin
Caution: When configuring the ICD adapter, make sure that the ICD tool and application board (if
connected to the adapter) are powered off.
2.1 In-circuit debugging
ICD On jumper (TP1)
When in-circuit debugging the target application via the 10-pin ICC connection, the ICD On
jumper (TP1) must be fitted to allow the interface with an in-circuit debugging tool and the
host PC. During in-circuit debugging, the RST/PA3 On jumper (TP2) must not be fitted.
Figure 3. ICD On jumper (TP1)
MB509
TP2 not fitted
for ICD
To set the ICD On jumper (TP1):
1. Make sure the in-circuit debugging tool
and the application are powered off.
2. Place the jumper on TP1 as shown in
Figure 3.
3. Connect to and power on the in-circuit
debugging tool and application board.
TP1 fitted for ICD
Refer to the on-line help of your integrated
development environment/debugging
software for further information about in-
circuit programming and debugging the
microcontroller on the ICD adapter.
5/15
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