FT260S-U Datasheet, PDF (50/61 Pages) Future Technology Devices International Ltd. – HID-class USB to UART/I2C Bridge IC

Parameter
FT260 HID-CLASS USB TO UART/I2C BRIDGE IC
Version 1.1
Document No.: FT_001272 Clearance No.: FTDI#484
Default Value
Notes
GPIO Weak Pullup/Pulldown
Disable
Enable the weak pullup / pulldown resistor on the pins GPIO0,
GPIO1, GPIO2, GPIO3, GPIO4, and GPIO5. Default is disabled
(without any pull).
GPIO Slew Rate Enable?
Disable
Set the slew rate control for GPIO related pins GPIO0, GPIO1,
GPIO2, GPIO3, GPIO4, and GPIO5. Default is disabled
BCD_DET Function Disable?
BCD_DET Drive Strength
BCD_DET Polarity
Interrupt Trigger
Trigger Level Setting
Power Saving Mode
Pin Status During Suspend
No
4mA
Active-high
Level-high
30ms
Enable
No change
Battery Charger Detection function can be disabled on
BCD_DET pin.
Adjustable drive strength for BCD_DET pin. Drive strength can
be set as 4mA, 8mA, 12mA and 16mA
Set the polarity on BCD_DET pin for indicating battery charge
detected. Default is set as active-high.
Define the interrupt trigger type when GPIO3 is set as
INTR/WAKEUP function. The possible settings are: rising edge,
falling edge, level-high, level-low.
Interrupt level width select. When the interrupt is set to level
trigger and it exceeds the specified level width, the interrupt
signal will be generated. The level width can be set as 1ms,
5ms and 30ms.
If power saving mode is enable and the FT260 is idle for 5
seconds, it will switch the system clock to 30KHz for saving
power.
During suspend , each digital I/O pin of the FT260 can be set
as
- No change, keep the original pin function
- tristate
- push low when suspend
- push high when suspend
HID over I²C address
0h
The I²C slave address of the target HID-over-I²C device. The
address 0h means no HID-over-I²C device connected.
HID over I²C Descriptor
Address
0h
The start address of the descriptor of the target HID-over-I²C
device.
HID over I²C Interrupt
Rising Edge
Define the interrupt trigger type of the target HID-over-I²C
device. It can be: rising edge, falling edge, level-high, level-
low.
HID over I²C Option
Not supported
According to Microsoft HID over I²C Protocol Specification, the
following requests are optional:
- GET_IDLE/ SET_IDLE supported or not
- GET_PROTOCOL/ SET_PROTOCOL supported or not
- SET_POWER supported or not
HID over I²C Subclass
No Subclass
The HID subclass description. It can be:
- No Subclass
- Boot Interface Subclass
The HID protocol code description. It can be:
HID over I²C Protocol
None
- None
- Keyboard
- Mouse
Table 9.3 Parameters defined in external EEPROM for FT260
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