Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.82
Clearance No.: FTDI #199
3.5.8 FT232H Pins Configured as a FT1248 Interface
The FT232H can be configured as a proprietary FT1248 interface. This mode is enabled in the external
EEPROM. When configured in this mode, the pins used and the descriptions of the signals are shown in
Table 3.13.
Pin No.
13
Name
MIOSIO0
MIOSIO1
MIOSIO2
MIOSIO3
MIOSIO4
MIOSIO5
MIOSIO6
MIOSIO7
SCLK
Type
UART Configuration Description
Bi-directional synchronous command and data bus, bit 0 used
to transmit and receive data from/to the master
INPUT /OUTPUT
INPUT /OUTPUT
INPUT /OUTPUT
INPUT /OUTPUT
INPUT /OUTPUT
INPUT /OUTPUT
INPUT /OUTPUT
INPUT /OUTPUT
INPUT
Bi-directional synchronous command and data bus, bit 1 used
to transmit and receive data from/to the master
14
Bi-directional synchronous command and data bus, bit 2 used
to transmit and receive data from/to the master
15
Bi-directional synchronous command and data bus, bit 3 used
to transmit and receive data from/to the master
16
Bi-directional synchronous command and data bus, bit 4 used
to transmit and receive data from/to the master
17
Bi-directional synchronous command and data bus, bit 5 used
to transmit and receive data from/to the master
18
Bi-directional synchronous command and data bus, bit 6 used
to transmit and receive data from/to the master
19
Bi-directional synchronous command and data bus, bit 7 used
to transmit and receive data from/to the master
20
21
Serial clock used to drive the slave device data
Active low slave select 0 from master to slave
27
SS_n
INPUT
Slave output used to transmit the status of the transmit and
receive buffers are empty and full respectively
28
MISO
OUTPUT
Table 3.13 FT1248 Configured Pin Descriptions
For functional description of this mode, please refer to section 4.
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