Document No.: FT_000589
FT313H USB2.0 HS Host Controller Datasheet Version 1.2
Clearance No.: FTDI# 318
Pin No.
Name
Type
Description
0.1uF decoupling capacitors to this pin.
47
48
AGND
P
Analog Ground
Port power switch; when not in use, connect to
VCC(3V3) through a 10kΩ resistor
PSW_N
OD
Open drain output; 5V tolerant
Over current input; when not in use, connect to
VCC(3V3) through a 10KΩ resistor
49
50
OC_N
RREF
I
Input; 5V tolerant
Port reference resistor connection
AI
Connect 12 kΩ±1% resistor between RREF and GND
51
52
53
54
55
56
NC
DM
No connect
AI/O
Port DM; connect to the D- pin of the USB connector
NC
No connect
DP
AI/O
P
Port DP; connect to the D+ pin of the USB connector
AGND
NC
Analog Ground
No connect
Supply 3.3V voltage; Connect 10uF and 0.1uF
decoupling capacitors
57
VCC(3V3)
P
P
58
59
60
NC
AGND
NC
No connect
Analog Ground
No connect
VBUS discharge.
5V tolerant
61
62
63
64
VBUS
CPE0
OD
I
I
I
Bit 0 to select charging port emulation type
Enable test mode. Internal pull-down.
For normal operation leave floating.
TESTEN
CPE1
Bit 1 to select charging port emulation type
Table 3-1 FT313H pin description
Notes:
P
: Power or ground
: Input
I/O
AI
: Bi-direction Input and Output
: Analog Input
I
O
OD
: Output
AO
: Analog Output
: Open drain output
AI/O : Analog Input / Output
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13
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