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Document Reference No.: FT_000367
UM232H Single Channel USB Hi-Speed FT232H Development Module Error!
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Datasheet Version 1.3
Clearance No.: FTDI# 198
Pin No.
J2-1
J2-2
J2-3
J2-4
J2-5
J2-6
J2-7
J2-8
J2-9
J2-10
J2-11
J2-12
J2-13
J2-14
Name
SLD
VIO
3V3
PU2
PU1
GND
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
Type
Shield to GND
PWR
Output/Input
Control
Control
PWR
Output
Input
Output
Input
Output
Input
Input
Input
Description
USB Cable Shield shorted to GND via a 0? resistor.
Supply to the UART Interface and ACBUS I/O pins. Nominally 3.3V. Full range
is 2.97V to 3.63V.
+3.3V output from the integrated L.D.O. regulator if the UM232H is running on
5V self or bus powered designs. Therefore this pin can be used to supply the
FT232HL’s VCCIO pi n by connecting this pin to J2-2 (VIO). This pin can also be
an input if the UM232H is running on 3.3V self powered designs.
Pull up resistor pin connection 1. Connect to J1-3 (USB) in a self powered
configuration.
Pull up resistor pin connection 2. Connect to J1-4 (RST#) in a self powered
configuration.
Module Ground Supply Pins
Configurable Output Pin, the default configuration is Transmit Asynchronous
Data Output / Handshake Signal..
Configurable Input Pin, the default configuration is Receiving Asynchronous Data
Input / Handshake Signal..
Configurable Output Pin, the default configuration is Request to Send Control
Output / Handshake Signal.
Configurable Input Pin, the default configuration is Clear To Send Control Input /
Handshake Signal.
Configurable Output Pin, the default configuration is Data Terminal Ready
Control Output / Handshake Signal.
Configurable Input Pin, the default configuration is Data Set Ready Control Input
/ Handshake Signal.
Configurable Input Pin, the default configuration is Data Carrier Detect Control
Input / Handshake Signal..
Configurable Input Pin, the default configuration is RI#, Ring Indicator Control
Input/ Handshake Signal. When remote wake up is enabled in the EEPROM
taking RI# low >20ms can be used to resume the PC USB host controller from
suspend.
Table 4.3 : UM232H Connector J2 Signal Description
Notes:
1. When used in Input Mode, the input pins are pulled to VCCIO via internal 75kΩ (approx.) resistors. These
pins can be programmed to gently pull low during USB suspend (PWREN# = “1”) by setting an option in the
EEPROM.
12
? Copyright 2012 Future Technology Devices International Ltd
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