ISP1562 Datasheet, PDF (9/98 Pages) NXP Semiconductors – Hi-Speed Universal Serial Bus PCI Host Controller

Philips Semiconductors
ISP1562
USB PCI Host Controller
Table 2: Pin description…continued
Symbol ^[1] Pin Type Description
DM2
90 AI/O D−; analog connection for the USB downstream port 2; leave this pin
open when not in use
GNDA
91 -
analog ground
DP2
92 AI/O D+; analog connection for the USB downstream port 2; leave this pin
open when not in use
V_{DDA_AUX} 93
-
GNDD
94 -
auxiliary analog supply voltage; add a 100 nF decoupling capacitor
digital ground
GNDD
95 -
digital ground
SCL
96 I/O I²C-bus clock; pull-up to 3.3 V through a 10 kΩ resistor ^[2]
I²C-bus pad; clock signal
SDA
97 I/O I²C-bus data; pull-up to 3.3 V through a 10 kΩ resistor ^[2]
I²C-bus pad; data signal
V_{CC(I/O)_AUX} 98
-
3.3 V auxiliary supply voltage; used to power pads; add a 100 nF
decoupling capacitor
PME#
99 O
PCI Power Management Event; used by a device to request a
change in the device or system power state
PCI pad; 3.3 V signaling; open-drain
V_{CC(I/O)_AUX} 100 -
3.3 V auxiliary supply voltage; used to power pads; add a 100 nF
decoupling capacitor
[1] Symbol names ending with # represent active LOW signals for PCI pins, for example: NAME#. Symbol
names ending with underscore N represent active LOW signals for USB pins, for example: NAME_N.
[2] Connect to ground if I²C-bus is not used.
9397 750 14223
Product data sheet
Rev. 01 — 14 July 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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