ft232hq Future Technology Devices International Ltd., ft232hq Datasheet - Page 68

• Manufacturer Part Number: ft232hq
• Description: Ft232h Single Channel Hi- Speed Usb To Multipurpose Uart/fifo Ic
• Manufacturer: Future Technology Devices International Ltd.

Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.0
Clearance No.: FTDI #199
List of Figures
Figure 2.1 FT232H Block Diagram ................................................................................................... 4
Figure 3.1 FT232H Schematic Symbol ............................................................................................. 7
Figure 4.1 RS232 Configuration .................................................................................................... 24
Figure 4.2 Dual RS422 Configuration ............................................................................................. 26
Figure 4.3 Dual RS485 Configuration ............................................................................................. 27
Figure 4.4 FT245 Synchronous FIFO Interface Signal Waveforms ...................................................... 28
Figure 4.5 FT245 Asynchronous FIFO Interface READ Signal Waveforms ............................................ 30
Figure 4.6 FT245 Asynchronous FIFO Interface WRITE Signal Waveforms .......................................... 30
Figure 4.7 FT1248 Bus with Single Master and Slave. ...................................................................... 31
Figure 4.8: FT1248 Basic Waveform Protocol. ................................................................................. 31
Figure 4.9: FT1248 Command Structure ........................................................................................ 32
Figure 4.10: FT1248 1-bit Mode Protocol (WRITE) .......................................................................... 33
Figure 4.11: FT1248 1-bit Mode Protocol (READ) ............................................................................ 34
Figure 4.12 Synchronous Bit-Bang Mode Timing Interface Example ................................................... 37
Figure 4.13 Bit-bang Mode Dataflow Illustration Diagram. ................................................................ 37
Figure 4.14 MPSSE Signal Waveforms ........................................................................................... 38
Figure 4.15 Adaptive Clocking Interconnect.................................................................................... 39
Figure 4.16: Adaptive Clocking waveform. ..................................................................................... 39
Figure 4.17 Fast Serial Interface Signal Waveforms......................................................................... 40
Figure 4.18 Fast Serial Interface Output Data ................................................................................. 41
Figure 4.19 Fast Serial Interface Input Data ................................................................................... 41
Figure 4.20 Fast Serial Interface Example ...................................................................................... 42
Figure 4.21 CPU-Style FIFO Interface Operation Signal Waveforms. .................................................. 43
Figure 4.22 CPU-Style FIFO Interface Example ............................................................................... 44
Figure 4.23 Dual LED UART Configuration ...................................................................................... 45
Figure 4.24 Single LED UART Configuration .................................................................................... 45
Figure 4.25: Using SIWU# ........................................................................................................... 46
Figure 6.1 Bus Powered Configuration Example 1............................................................................ 53
Figure 6.2 Self Powered Configuration Example 1 ........................................................................... 54
Figure 6.3 Self Powered Configuration Example 2 ........................................................................... 55
Figure 6.4 Recommended FT232H Oscillator Configuration ............................................................... 57
Figure 7.1 EEPROM Interface ........................................................................................................ 58
Figure 8.1 48 pin QFN Package Details .......................................................................................... 61
Figure 8.2 48 pin LQFP Package Details ......................................................................................... 62
Figure 8.3 48 pin LQFP and QFN Reflow Solder Profile ..................................................................... 63
Copyright © 2011 Future Technology Devices International Limited
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