gl816e Genesys Logic, gl816e Datasheet - Page 12

• Manufacturer Part Number: gl816e
• Description: Usb 2.0 Ms/ Ms Pro/ Sd/ Mmc Controller
• Manufacturer: Genesys Logic

3.3 Pin Descriptions
© 2000-2005 Genesys Logic Inc. - All rights reserved.
NVMA15~0
NVMWEZ
RPU
VPF
VPH
VMF
VMH
RREF
XO
XI
NVMOEZ
NVMCSZ
NVMD7~0
EXTRSTZ
CFCE2Z
XD_CDZ
CF_IORZ
CF_IOWZ
CF_OEZ
SM_PCTL
SM_WPZ
Pin Name
Pin Name
8,11,39,7,
48,55,47,
57,58,70,
71,82~85
123,122,
120,119
46,6~3,
Pin#
Pin#
10
22
24
25
26
27
30
32
33
49
56
69
14
16
13
42
43
2
9
Type
Type
(pu)
(pd)
(pu)
(pu)
(pu)
B/O
B/I
B/I
Table 3.2 - Pin Descriptions
O
O
A
B
B
B
B
A
B
O
O
B
O
O
O
O
I
I
Ext. flash address 15~0
Ext. flash WE#
USB resistor pull up
FS D+
HS D+
FS D-
HS D-
Reference resistor
12MHz Crystal
This is the other terminal of the crystal, or left open when an
external clock source is used to drive XTAL/CLK.
It may not be used to drive any external circuitry other than the
crystal circuit.
12MHz Crystal
This pin can be connected to one terminal of the crystal or can be
connected to an external 12MHz clock when a crystal is not used.
Ext. flash OE#
Ext. flash CS#
Ext. flash Data 7~0
External reset #, the active low signal is used by the system to
reset the chip. The active low pulse should be at least 1 us wide.
CF CE2#
XD CD#, this is the card detection signal from xD-Picture device
to indicate if the device is inserted, Normal high.
CF IOR#
CF IOW#
CF OE#
SmartMedia power control
SmartMedia WP#, This pin is an active low write protect signal
for the SM device, when SMC is enabled. Normal high.
Memory Interface
GL816E USB 2.0 9-in-1 Card Reader Controller
USB Interface
Description
Description
Page 12