OM11077 NXP Semiconductors, OM11077 Datasheet - Page 60

• Manufacturer Part Number: OM11077
• Description: MODULE DIMM LPC2478 ARM7
• Manufacturer: NXP Semiconductors

Specifications of OM11077

• Accessory Type: Module Card
• For Use With/related Products: ARM-57TS-LPC2478
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-4742

NXP Semiconductors
11. Dynamic characteristics
Table 9.
T
[1]
[2]
[3]
LPC2478
Product data sheet
Symbol
External clock
f
T
t
t
t
t
I
t
SSP interface
t
osc
CHCX
CLCX
CLCH
CHCL
2
f(o)
su(SPI_MISO)
amb
Fig 13. External clock timing (with an amplitude of at least V
cy(clk)
C-bus pins (P0[27] and P0[28])
Parameters are valid over operating temperature range unless otherwise specified.
Typical ratings are not guaranteed. The values listed are at room temperature (25 °C), nominal supply voltages.
Bus capacitance C
= −40 °C to +85 °C for commercial applications; V
Dynamic characteristics
Parameter
oscillator frequency
clock cycle time
clock HIGH time
clock LOW time
clock rise time
clock fall time
output fall time
SPI_MISO set-up time
b
in pF, from 10 pF to 400 pF.
All information provided in this document is subject to legal disclaimers.
t
CHCL
Rev. 2 — 29 September 2010
DD(3V3)
Conditions
V
T
measured in
SPI Master
mode; see
Figure 17
amb
IH
to V
t
CLCX
= 25 °C;
over specified ranges.
IL
i(RMS)
T
cy(clk)
= 200 mV)
t
CLCH
t
CHCX
Single-chip 16-bit/32-bit microcontroller
Min
1
42
T
T
-
-
20 + 0.1 × C
-
cy(clk)
cy(clk)
× 0.4
× 0.4
[1]
b
[3]
002aaa907
Typ
-
-
-
-
-
-
-
11
[2]
LPC2478
© NXP B.V. 2010. All rights reserved.
Max
25
1000
-
-
5
5
-
-
60 of 91
Unit
MHz
ns
ns
ns
ns
ns
ns
ns