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FT905 Datasheet, PDF (37/56 Pages) Future Technology Devices International Ltd. – The FT905 series contains FT905, FT906, FT907 and FT908 which is a complete System-On-Chip 32-bit RISC microcontroller for embedded applications featuring a high level of integration and low power consumption.
FT905_6_7_8/6/7/8 Embedded Microcontroller Datasheet
Version 1.0
Document No.: FT_001131 Clearance No.: FTDI#422
Parameter
Description
(Differential)
Minimum Typical Maximum
Units
Vchirpj
Chirp-J output voltage
(Differential)
700
-
1100
mV
Vchirpk
Chirp-K output
voltage (Differential)
-900
-
-500
mV
Input level for full speed and low speed
Vdi
Differential input
voltage sensitivity
0.2
-
-
V
Vcm
Differential common
mode voltage
0.8
-
2.5
V
Vse
Single ended receiver
threshold
0.8
-
2.0
V
Output level for full speed and low speed
Vol
Low level output
voltage
0
-
0.3
V
Voh
High level output
voltage
2.8
-
3.6
V
Resistance
Rdrv
Driver output
impedance
40.5
45
49.5
ohm
Conditions
-
-
|Vdp-Vdm|
-
-
-
-
Equivalent
resistance used as
an internal chip
Table 5-4 USB I/O Pin (D_DP/D_DM, H_DP/H_DM) Characteristics
Note*: The VCC1V2 is USB Host or Peripheral transceiver core power supply input which needs connect
to external +1.2V voltage power while USB Host or Peripheral controller is active.
DC characteristics of Ethernet I/O cells
Parameter
Description
Minimum Typical Maximum
General characteristics
VETH3V3
Ethernet power supply
voltage
2.97
3.3
3.63
VOUT2*
Ethernet LDO voltage
-
1.2
-
10Base-TX mode
-
(Including TX current)
Total
dissipative
10Base-TX mode
power
-
(Excluding TX current)
-
510
-
147
100Base-TX mode
-
-
310
Units
V
V
mW
mW
mW
Conditions
Normal operation
Normal operation
10Base-TX mode
10Base-TX mode
100Base-TX mode
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