isp1562 NXP Semiconductors, isp1562 Datasheet - Page 78

• Manufacturer Part Number: isp1562
• Description: Hi-speed Universal Serial Bus Pci Host Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
16. Dynamic characteristics
Table 118. Dynamic characteristics: system clock timing
V
[1]
[2]
Table 119. Dynamic characteristics: I
V
[1]
Table 120. Dynamic characteristics: PCI interface block
V
[1]
Table 121. Dynamic characteristics: high-speed source electrical characteristics
V
ISP1562_2
Product data sheet
Symbol
Reset
t
PCI clock
f
Crystal oscillator
f
R
C
External clock input
V
J
t
t
Symbol
t
Symbol
SR
Symbol Parameter
Driver characteristics
t
t
Z
W(RESET_N)
clk(PCI)
clk
CR
CF
CF
HSR
HSF
CC(I/O)
CC(I/O)
CC(I/O)
DDA_AUX
HSDRV
I
S
L
Suggested values for external capacitors when using a crystal are 22 pF to 27 pF.
Recommended accuracy of the clock frequency is 50 ppm for the crystal and oscillator.
The capacitive load for each bus line (C
an external pull-up resistor with R
Standard load is 10 pF together with a pull-up and pull-down resistor of 10 k .
= 3.0 V to 3.6 V; T
= 3.0 V to 3.6 V; T
= 3.0 V to 3.6 V; T
= 3.0 V to 3.6 V; T
rise time (10 % to 90 %)
fall time (10 % to 90 %)
driver output impedance (which also
serves as high-speed termination)
Parameter
external RESET_N pulse
width
PCI clock frequency
clock frequency
series resistance
load capacitance
input voltage
external clock jitter
rise time
fall time
clock duty cycle
Parameter
output fall time V
Parameter
slew rate
amb
amb
amb
amb
= 40 C to +85 C; unless otherwise specified.
= 40 C to +85 C; unless otherwise specified.
= 40 C to +85 C; unless otherwise specified.
IH
= 40 C to +85 C; unless otherwise specified.
to V
UP(max)
IL
b
Conditions
(rise, fall) standard load
2
) is specified in pF. To meet the specification for V
= 850 / C
C-bus interface (SDA and SCL)
Conditions
10 pF < C
Conditions
crystal oscillator running
crystal
Conditions
includes the R
resistor
b
k and R
Rev. 02 — 1 March 2007
[1]
b
< 400 pF
UP(min)
[1]
S
[1]
= (V
CC(I/O)
[2]
0.4) / 3 k .
Min
-
31
-
-
-
1.65
-
-
-
-
Min
-
Min
1
Min
500
500
40.5
OL
and the maximum rise time (300 ns), use
Typ
10
-
12
-
18
1.8
-
-
-
50
Typ
0
Typ
-
Typ
-
-
45
HS USB PCI Host Controller
Max
-
33
-
100
-
1.95
50
3
3
-
Max
250
Max
4
Max
-
-
49.5
© NXP B.V. 2007. All rights reserved.
ISP1562
Unit
MHz
MHz
pF
V
ppm
ns
ns
%
Unit
ns
Unit
V/ns
Unit
ps
ps
78 of 93
s