FT260Q-R datasheet(59/61 Pages) FTDI

59 / 61 page

FT260 HID-CLASS USB TO UART/I2C BRIDGE IC

Version 1.1

Document No.: FT_001272 Clearance No.: FTDI#484

Appendix B - List of Figures and Tables

List of Figures

Figure 2.1 FT260 Block Diagram .....................................................................................................4

Figure 3.1 Pin Configuration WQFN-28 (top-down view).....................................................................7

Figure 3.2 Pin Configuration TSSOP-28 (top-down view)....................................................................8

Figure 5.1 I2C Bus Protocol .......................................................................................................... 19

Figure 5.2 I2C Bus Timing ............................................................................................................ 20

Figure 5.3 UART RX Waveform consist of 8 data bits, 1 optional parity bit and 1 stop bit ..................... 25

Figure 5.4 UART TX Waveform consist of 7 data bits, no parity bit and 1 stop bit ................................ 25

Figure 5.5 UART TX Waveform consist of 7 data bits, 1 optional parity bit and 1 stop bit ..................... 25

Figure 5.6 UART TX Waveform consisting 7 data bits, 1 optional parity bit and 2 stop bits ................... 25

Figure 5.7 UART TX Waveform consisting 8 data bits, 1 optional parity bit and 2 stop bits ................... 25

Figure 7.1 Bus Powered Configuration ........................................................................................... 34

Figure 7.2 Self Powered Configuration with 5V Source Input ............................................................ 35

Figure 7.3 Self Powered Configuration with 3.3V Source Input.......................................................... 36

Figure 7.4 Bus Powered Configuration with +1.8V/+2.5V I/O voltage Level........................................ 37

Figure 7.5 Recommended FT260 Configuration of System Pins ......................................................... 38

Figure 7.6 FSOURCE for eFUSE..................................................................................................... 39

Figure 8.1 Application Example 1: HID over I2C .............................................................................. 40

Figure 8.2 Application Example 2: USB to RS232 Converter ............................................................. 41

Figure 8.3 Application Example 3: USB to RS485 Converter ............................................................. 42

Figure 8.4 Application Example 4 : USB to RS422 Converter ............................................................ 43

Figure 9.1 Protocol Format for EEPROM with One Byte Data Address ................................................. 47

Figure 9.2 Protocol Format for EEPROM with Two Bytes Data Address ............................................... 48

Figure 10.1 WQFN-28 Package Dimensions .................................................................................... 51

Figure 10.2 WQFN-28 Package Markings........................................................................................ 52

Figure 10.3 TSSOP-28 Package Dimensions ................................................................................... 53

Figure 10.4 TSSOP-28 Package Markings ....................................................................................... 54

Figure 10.5 FT260 Solder Reflow Profile......................................................................................... 55

List of Tables

Table 3.1 FT260 Pin Description.................................................................................................... 11

Table 5.1 FT260 USB Device Interface Configuration ....................................................................... 17

Table 5.2 I2C Timing for VCCIO=3.3V............................................................................................ 21

Table 6.1 Absolute Maximum Ratings ............................................................................................ 28

Table 6.2 ESD and Latch-Up Specifications .................................................................................... 28

Table 6.3 Operating Voltage and Current ....................................................................................... 29

Table 6.4 I/O Pin Characteristics VCCIO = +3.3V (except USB PHY pins) ........................................... 30

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