AN3255

Application description

Doc ID 17784 Rev 1

11/24

1.4

Application schematics

Figure 4 shows the contactless reader implementation schematics. The reader is made of

two parts:

●

STMicroelectronics RFID reader PCB based on the CR14 short range contactless

coupler (see Section 1.2.1).

●

The STM8S-DISCOVERY which STM8S105C6T6 microcontroller controls the

CR14 datasheet).

Other

Piezo buzzer

5 V operating voltage

Supports 4 KHz input frequency

Table 5.

List of other passive components (continued)

Component description

Value

Comment