GL800USB Просмотр технического описания (PDF) - Genesys Logic
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GL800USB Datasheet PDF : 23 Pages
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GL800USB - USB2.0 UTMI COMPLIANT TRANSCEIVER
5.2 Pin Description
Pin # Name I/O
1 FSPEED I
2 HRST#
I
3 HSTERM# I
4 SUSPND# I
5 RPU
-
6 AVCC0
P
7 DPF
B
8 DPH
B
9 DMF
B
10 DMH
B
11 AGND0
P
12 RREF
-
13 AVCC1
P
14 XO
B
15 XI
I
16 AGND1
P
17 TEST0
I
18 OPMOD1 I
19 OPMOD0 I
Pull
Up/Down
up
up
up
down
down
up
down
Description
Transceiver Select. This signal selects between
the FS and HS transceivers:
0: High Speed transceiver enabled
1: Full Speed transceiver enabled
Reset. Chip reset Input, active low. This signal is
used to reset all state machines in the
GL800USB.
Termination Select. HS termination enable,
active low
Suspend mode enable, active low. This signal
places the GL800USB in a mode that draws
minimal power from supplies. Shuts down all
blocks not necessary for Suspend/Resume
operation. While suspended, HSTERM# must
always be disabled (FS Mode) to ensure that the
1.5K pull-up on DP remains powered.
3.3V Pull up control for DPF
Positive analog supply (3.3V)
Positive USB differential data (Full Speed)
Positive USB differential data (High Speed)
Negative USB Differential Data (Full Speed)
Negative USB Differential Data (High Speed)
Analog ground (0V)
510Ohm reference resistor input
Positive analog supply (3.3V)
Crystal output
12MHz crystal/oscillator input
Analog ground (0V)
Test mode enable
Operational mode. These signals select between
various operational modes:
[1] [0] Description
0 0 0: Normal Operation
0 1 1: Non-Driving
1 0 2: Disable Bit Stuffing and NRZI encoding
1 1 3: Reserved
©2000-2001 Genesys Logic Inc.—All rights reserved.
Page 10 of 23
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