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參數(shù)資料
| 型號(hào)： | GL652USB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | USB 7 PORT HUB CONTROLLER |
| 中文描述： | 7端口的USB集線器控制器 |
| 文件頁(yè)數(shù)： | 11/17頁(yè) |
| 文件大?。?/td> | 190K |
| 代理商： | GL652USB |
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11 08/18/00
GL652USB 7 PORT USB HUB CONTROLLER
Revision 1.2
GPIOD
(offset 0F, default = 0Fh)
R/W
GPIO6D/
LED7
R/W
R/W
R/W
R/W
R/W
R/W
--
GPIO5D/
LED6
GPIO4D/
LED5
GPIO3D/
LED4#
GPIO2D/
LED3#
GPIO1D/
LED2#
GPIO0D/
LED1#
General purpose I/O pin status –
If GPIOXOE = 1 (X: 0 ~ 6), GPIOX is driven with the level of internal GPIOXD latch, which
is the same as corresponding GPIOXD bit. If GPIOXOE = 0, GPIOXD reflects the level of
GPIOX pin, which may be different from internal GPIOXD latch. The value written to GPIOD
will be stored in an internal latch, no matter what direction the GPIOX pins are in. Bits 6 to 0
have been pre-assigned specific functions for LED indicators. (active low).
REV
( offset 10, default = current revision )
R/O
R/O
REV6
REV5
This register returns current silicon revision number of the HUB.
Current revision is 8’h11. (Revision 1.1)
R/O
REV7
R/O
REV4
R/O
REV3
R/O
REV2
R/O
REV1
R/O
REV0
DEVSTUS
( offset 11, default = 00h )
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
HCONFIG DEVADR6 DEVADR5 DEVADR4 DEVADR3 DEVADR2 DEVADR1 DEVADR0
USB device status registers. Procedure to set the device address:
1. After USB reset, the device responds to default address 0, and hub configuration = 0.
2. USB host controller issues SET_ADDRESS request to the device. (INTRB asserted)
3. Micro-controller recognizes the request, then set DEVADR register with appropriate value.
4. Micro-controller prepares the status stage of SET_ADDRESS request by programming
TXCTL0 register.
5. When the hub configuration value is not equal zero, HCONFIG is set to one.
USB reset will clear this register.
6
Maximum ratings are the extreme limits to which the GL652USB can be exposed without permanently
damaging it. The GL652USB contains circuitry to protect the inputs against damage from high static
voltages; however, do not apply voltages higher than those shown in the table. Keep V
IN
and V
OUT
within
the range GND
≤
(V
IN
or V
OUT
)
≤
V
CC
. Connect unused inputs to the appropriate voltage level, either GND
or V
DD
.
Symbol
Characteristic
T
STG
Storage temperature
T
OP
Operating temperature
V
CC
Supply voltage
V
IN
DC input voltage
I
Maximum current per pin excluding V
DD
and V
SS
I
MGND
Maximum current out of GND
I
MVCC
Maximum current out of V
CC
V
ESD
Static discharge voltage
7
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
Value
Unit
-55 to +150
0 to +70
-0.5 to +7.0
-0.5 to +V
DD
+ 0.5
25
100
100
>4000
°
C
°
C
V
V
mA
mA
mA
V
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