Cypress Semiconductor CY8C24894 Manual do Utilizador descarregar pdf (Página 26)

26 CY3240-I2USB I2C-USB Bridge Guide, Doc. # 001-66660 Rev.**

Hardware

Figure 4-5. USB Mini Port Schematic

4.2.3 ISSP Programming Header

The in-system serial programming header is used to:

■ burn the hex code onto the chip

■ connect the MiniProg for programming the chip

The ISSP connector consists of the following:

Table 4-1. ISSP Programming Header Connection Details

Pin No Connection Description

1 +V Device To supply voltage to the bridge

2 GND Ground pin of the bridge

3 INT Interrupt pin

4 SDA Serial data line

5 SCL Serial clock line

[+] Feedback

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 45 46

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Cypress Semiconductor CY8C24894 Manual do Utilizador Página 26