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FT313HQ-R 数据表(PDF) 12 Page - Future Technology Devices International Ltd.

部件名 FT313HQ-R
功能描述  USB2.0 HS Embedded Host Controller
PDF  67 Pages
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制造商  FTDI [Future Technology Devices International Ltd.]
网页  http://www.ftdichip.com
标志 FTDI - Future Technology Devices International Ltd.

FT313HQ-R 数据表(HTML) 12 Page - Future Technology Devices International Ltd.

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Copyright © 2013 Future Technology Devices International Limited
12
Document No.: FT_000589
FT313H USB2.0 HS Host Controller Datasheet Version 1.2
Clearance No.: FTDI# 318
Pin No.
Name
Type
Description
30
A4
I
Bit 4 of the address bus; when not in use, connect to
GND
Input; 3.3V tolerant
31
A5
I
Bit 5 of the address bus; when not in use, connect to
GND
Input; 3.3V tolerant
32
VCC (1V2)
P
Core power 1.2V input; for normal operation, this
pin must be connected to pin 46. Connect a 0.1uF
decoupling capacitor.
33
A6
I
Bit 6 of the address bus; when not in use, connect to
GND
Input; 3.3V tolerant
34
A7
I
Bit 7 of the address bus; when not in use, connect to
GND
Input; 3.3V tolerant
35
VCC(I/O)
P
I/O supply voltage; connect a 0.1uF decoupling
capacitor
1.8V, 2.5V or 3.3V
36
DREQ
O
DMA request;
Push-pull output; 3.3V tolerant
37
DACK
I
DMA acknowledge; Internal pull-down.
Input; 3.3V tolerant
38
ALE/ADV_N
I
Address latch enable
Input; 3.3V tolerant
39
CLE
I
Command latch enable
Input; 3.3V tolerant
40
RESET_N
I
Chip reset; Internal pull-up. Input; 3.3V tolerant
41
FREQSEL1
I
Input clock frequency selection pin1
Input; 3.3V tolerant
42
FREQSEL2
I
Input clock frequency selection pin2
Input; 3.3V tolerant
43
AGND
P
Analog Ground
44
X1/CLKIN
AI
Crystal oscillator or clock input; 3.3V peak input
allowed
45
X2
AO
Crystal oscillator output; leave open if an external
clock is applied on pin X1/CLKIN
46
VOUT(1V2)
AO
Internal 1.2V regulator output; connect 4.7uF and



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