参数资料
| 型号： | USB-FILESYS-DIL |
| 厂商： | Flexipanel |
| 文件页数： | 5/10页 |
| 文件大小： | 0K |
| 描述： | IC SYSTEM USB FAT FILE 28-DIL |
| 标准包装： | 25 |
| 系列： | * |
| 其它名称： | 658-1043-5 |
p4 of 10
26-Aug-10
USB-FileSys / USB-Config
HW149-8
www.hexwax.com
In figure 4, the internal memory is used. Vto is gated by
P-channel mosfet T1 to provide power take-off circuit,
for example to provide power to a battery charger.
Oscillator X1/C2/C3 may be replaced by a low-cost
resonator, provided its frequency tolerance is greater
than 0.25%. C1 and C6 should be placed close to the
USB connector. C7 should be placed near the Vss and
Vdd pins of the USB-FileSys and is required only if it
would be some distance from C6. C8 is a filter capacitor
for an internal regulator and is required.
The TEAclipper connector is for in-circuit programming
of devices where the firmware has been purchased from
HexWax. It is recommended to allow firmware updates,
even if the firmware is initially supplied pre-programmed.
LED1 is a USB activity indicator. The Sleep pin must be
biased high if unused.
M
ed
ia
/V
p
P
G
D
V
dd
V
ss
TEAclipper
connector 1
5
OSC1
OSC2
D+
Vusb
USB-FileSys
USB
C2
C3
X1
2
3
4
Vdd
Vss
P
G
C
1
2
3
4
Vss
D-
Vss
C1
C6
C7
V
ss
C8
Vdd
Vss
TxRx
Vss
R21
M
O
S
I-
H
M
IS
O
-H
S
C
K
-H
S
le
ep
#
Host
MCU
Vdd
Vss
Vcc
Gnd
M
O
S
I
M
IS
O
S
C
K
S
lp
#
R2
S
n-
H
S
n
S
C
K
-M
USB-S
Vdd
Vto
T1
R1
R6
C4
PTO#
Vss
Vdd
R40
R44
LED1
Figure 4. Typical Application Circuit, Internal Memory
In figure 5, external memory is used. SW1 acts as a
media detect switch for an SD card.
If 25AA1024
memory is used, the Media input should instead be
biased low; if non-removable SD memory is used, the
Media input should instead be biased high.
M
ed
ia
/V
pp
P
G
D
V
dd
V
ss
TEAclipper
connector 1
5
OSC1
OSC2
D+
Vusb
USB-FileSys
USB
C2
C3
X1
2
3
4
Vdd
Vss
P
G
C
1
2
3
4
Vss
D-
Vss
C1
C6
C7
V
ss
C8
Vdd
Vss
TxRx
Vss
R21
M
O
S
I-
H
M
IS
O
-H
S
C
K
-H
S
le
ep
#
Host
MCU
Vdd
Vss
Vcc
Gnd
M
O
S
I
M
IS
O
S
C
K
S
lp
#
S
n-
H
S
n
M
O
S
I-
M
IS
O
-M
S
C
K
-M
24AA1024
Serial
Memory
Vcc
Gnd
M
O
S
I
M
IS
O
S
C
K
S
n-
M
S
n
Vdd
Vss
USB-S
Vss
PTO#
Vbatt
Vdd
R44
D1
D2
LED1
R3
Vdd
R40-R43
Vdd
R2
SW1
Vdd
Vto
T1
R1
R6
C4
Figure 5. Typical Application Circuit, External Memory
D1 and D2 should have a very low forward voltage – ideally 0.3V.
In this implementation, two power sources are available:
power from the USB power input, and a battery Vbatt.
D1 and D2 ensure the higher of these is used to provide
the voltage Vdd. R3 ensures the USB-S power sense
signal is pulled low when the USB power is not present.
The USB voltage must be regulated to 3.3V if the serial
memory and/or host controller could not operate at 5V.
USB Connectors
Common USB connector and cable configurations are
shown in figure 6 and table 4.
The shield on the
connector should be left unconnected. The ID pin on
the mini connector permits the distinction of A and B
plugs. The micro connector pin-out is the same as the
mini connector.
Figure 6 Common USB pin-outs for male connectors
Table 4. USB Connection Key
Pin
Std Mini
Name
Cable
color
Description
1
Vcc
Red
+5V (can dip to 4.08V)
2
D–
White
Data –
3
D+
Green
Data +
–
4
ID
–
Type A: Connect to ground
Type B: Not connected
4
5
Gnd
Black
Signal ground
For ultra-low cost products, it is possible to form a USB
Type-A plug direct from a circuit board as shown in
figure 6. This connector is only suitable for a limited
number of insertions (~50 before cleaning is required).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| USB-FILESYS-DIL | 制造商:HexWax Ltd 功能描述:DRIVERFREE USB CONFIGURATION 28DIL |
| USB-FILESYS-SS | 功能描述:USB 接口集成电路 Driver-Free USB con- figr/diagnostic mod RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| USBFKEY0256B | 功能描述:USB接头 256MB USB Memory Key Black RoHS:否 制造商:FCI 产品:USB Type A Connectors 标准:USB 3.0 端口数量: 位置/触点数量:9 型式:Female 电流额定值:1.8 A 安装风格:Through Hole 端接类型:Solder Pin 连接器类型:USB 3.0 Receptacle |
| USBFKEY0256G | 功能描述:USB接头 256MB USB Memory Key Olive Drab RoHS:否 制造商:FCI 产品:USB Type A Connectors 标准:USB 3.0 端口数量: 位置/触点数量:9 型式:Female 电流额定值:1.8 A 安装风格:Through Hole 端接类型:Solder Pin 连接器类型:USB 3.0 Receptacle |
| USBFKEY0256N | 功能描述:USB接头 256MB USB Memory Key Nickel RoHS:否 制造商:FCI 产品:USB Type A Connectors 标准:USB 3.0 端口数量: 位置/触点数量:9 型式:Female 电流额定值:1.8 A 安装风格:Through Hole 端接类型:Solder Pin 连接器类型:USB 3.0 Receptacle |
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