Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.81
Clearance No.: FTDI #199
Pin No.
45
Name
EECS
Type
I/O
Description
EEPROM – Chip Select. Tri-State during device reset.
Clock signal to EEPROM. Tri-State during device reset. When not in reset, this
outputs the EEPROM clock.
44
EECLK
OUTPUT
EEPROM – Data I/O. Connect directly to Data-in of the EEPROM and to Data-out
of the EEPROM via a 2.2K resistor. Also, pull Data-Out of the EEPROM to VCCD
via a 10K resistor for correct operation. Tri-State during device reset.
43
EEDATA
I/O
Table 3.3 EEPROM Interface Group
Pin No.
Name
Type
Description
Configurable Output Pin, the default configuration is Transmit Asynchronous Data
Output.
13
ADBUS0
Output
Configurable Input Pin, the default configuration is Receiving Asynchronous Data
Input.
14
15
16
17
18
19
ADBUS1
ADBUS2
ADBUS3
ADBUS4
ADBUS5
ADBUS6
Input
Output
Input
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.
Output
Input
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.
Input
Configurable Input Pin, the default configuration is Ring Indicator Control Input.
When remote wake up is enabled in the EEPROM taking RI# low can be used to
resume the PC USB host controller from suspend. (Also see note 1, 2, 3 in section
4.12)
20
ADBUS7
Input
Configurable ACBUS I/O Pin. Function of this pin is configured in the device
EEPROM. If the external EEPROM is not fitted the default configuration is TriSt-PU.
See ACBUS Signal Options, Table 3.5.
21
25
26
27
28
29
ACBUS0
ACBUS1
ACBUS2
ACBUS3
ACBUS4
ACBUS5
I/O
I/O
I/O
I/O
I/O
I/O
Configurable ACBUS I/O Pin. Function of this pin is configured in the device
EEPROM. If the external EEPROM is not fitted the default configuration is TriSt-PU.
See ACBUS Signal Options, Table 3.5.
Configurable ACBUS I/O Pin. Function of this pin is configured in the device
EEPROM. If the external EEPROM is not fitted the default configuration is TriSt-PU.
See ACBUS Signal Options, Table 3.5.
Configurable ACBUS I/O Pin. Function of this pin is configured in the device
EEPROM. If the external EEPROM is not fitted the default configuration is TriSt-PU.
See ACBUS Signal Options, Table 3.5.
Configurable ACBUS I/O Pin. Function of this pin is configured in the device
EEPROM. If the external EEPROM is not fitted the default configuration is TriSt-PU.
See ACBUS Signal Options, Table 3.5.
Configurable ACBUS I/O Pin. Function of this pin is configured in the device
EEPROM. If the external EEPROM is not fitted the default configuration is TriSt-PU.
See ACBUS Signal Options, Table 3.5.
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11
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