Document No.: FT_000589
FT313H USB2.0 HS Host Controller Datasheet Version 1.1
Clearance No.: FTDI# 318
Pin No.
Name
Type
Description
1.8V, 2.5V or 3.3V
Bit 12 of the address and data bus
16
17
18
19
AD12
AD13
AD14
AD15
I/O
I/O
I/O
I/O
Bidirectional pad; push-pull, three-state output. 3.3V
tolerant
Bit 13 of the address and data bus
Bidirectional pad; push-pull, three-state output. 3.3V
tolerant
Bit 14 of the address and data bus
Bidirectional pad; push-pull, three-state output. 3.3V
tolerant
Bit 15 of the address and data bus
Bidirectional pad; push-pull, three-state output. 3.3V
tolerant
Core power 1.2V input; for normal operation, this
pin must be connected to pin 46. Connect a 0.1uF
decoupling capacitor
20
21
VCC(1V2)
P
I
Chip select;
CS_N/CE_N
Input ; 3.3V tolerant
Read enable, or read latch; when not in use,
connect to VCC(I/O)
RD_N
22
I
/RE_N/OE_N
Input; 3.3V tolerant
WR_N
Write enable; when not in use, connect to VCC(I/O)
Input; 3.3V tolerant
23
24
I
/WE_N
Interrupt output
INT
O
Push-pull output; 3.3V tolerant
I/O supply voltage; connect a 0.1uF decoupling
capacitor
25
26
VCC(I/O)
P
I
1.8V, 2.5V or 3.3V
Bit 0 of the address bus; when not in use, connect to
GND
A0
A1
A2
A3
Input; 3.3V tolerant
Bit 1 of the address bus; when not in use, connect to
GND
27
28
29
I
I
I
Input; 3.3V tolerant
Bit 2 of the address bus; when not in use, connect to
GND
Input; 3.3V tolerant
Bit 3 of the address bus; when not in use, connect to
GND
Input; 3.3V tolerant
Copyright © 2012 Future Technology Devices International Limited
11
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