ISP1562 Datasheet, PDF (8/98 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
GNDD
64 -
digital ground
AD[5]
65 I/O bit 5 of multiplexed PCI address and data
PCI pad; 3.3 V signaling
AD[4]
66 I/O bit 4 of multiplexed PCI address and data
PCI pad; 3.3 V signaling
AD[3]
67 I/O bit 3 of multiplexed PCI address and data
PCI pad; 3.3 V signaling
AD[2]
68 I/O bit 2 of multiplexed PCI address and data
PCI pad; 3.3 V signaling
AD[1]
69 I/O bit 1 of multiplexed PCI address and data
PCI pad; 3.3 V signaling
AD[0]
70 I/O bit 0 of multiplexed PCI address and data
PCI pad; 3.3 V signaling
V_CC(I/O)
71 -
3.3 V supply voltage; used to power pads; add a 100 nF decoupling
capacitor
GNDA
72 -
analog ground
AUX1V8 73 -
1.8 V auxiliary output voltage; only for voltage conditioning; cannot be
used to supply power to external components; add a 100 nF
decoupling capacitor
XTAL1
74 AI crystal oscillator input; this can also be a 12 MHz clock input
XTAL2
75 AO crystal oscillator output (12 MHz); leave open when clock is used
GNDD
76 -
digital ground
V_{CC(I/O)_AUX} 77
-
3.3 V auxiliary supply voltage; used to power pads; add a 100 nF
decoupling capacitor
OC1_N
78 I
overcurrent sense input for the USB downstream port 1 (digital)
3.3 V input pad; push-pull; CMOS
PWE1_N 79 O power enable for the USB downstream port 1
3.3 V output pad; 3 ns slew rate control; CMOS; open-drain
GNDA
80 -
analog ground
RREF
81 AI/O analog connection for the external resistor (12 kΩ ± 1 %)
GNDA
82 -
analog ground
DM1
83 AI/O D−; analog connection for the USB downstream port 1; leave this pin
open when not in use
GNDA
84 -
analog ground
DP1
85 AI/O D+; analog connection for the USB downstream port 1; leave this pin
open when not in use
V_{DDA_AUX} 86
-
OC2_N
87 I
auxiliary analog supply voltage; add a 100 nF decoupling capacitor
overcurrent sense input for the USB downstream port 2 (digital)
3.3 V input pad; push-pull; CMOS
PWE2_N 88 O power enable for the USB downstream port 2
3.3 V output pad; 3 ns slew rate control; CMOS; open-drain
GNDA
89 -
analog ground
9397 750 14223
Product data sheet
Rev. 01 — 14 July 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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