Datasheet

LPC2388_0 © NXP B.V. 2007. All rights reserved.
Preliminary data sheet Rev. 00.01 — 23 October 2007 40 of 57
NXP Semiconductors
LPC2388
Fast communication chip
I
DD(DCDC)act(3V3)
active mode DC-to-DC
converter supply
current (3.3
V)
V
DD(DCDC)(3V3)
= 3.3 V;
T
amb
= 25 °C; code
while(1){}
executed from flash; no
peripherals enabled;
PCLK
= CCLK
CCLK = 10 MHz - 15 - mA
CCLK = 72 MHz - 63 - mA
all peripherals enabled;
PCLK = CCLK / 8
CCLK = 10 MHz - 21 - mA
CCLK = 72 MHz - 92 - mA
all peripherals enabled;
PCLK = CCLK
CCLK = 10 MHz - 27 - mA
CCLK = 72 MHz - 125 - mA
I
DD(DCDC)pd(3V3)
power-down mode
DC-to-DC converter
supply current (3.3
V)
V
DD(DCDC)(3V3)
= 3.3 V;
T
amb
= 25 °C
- 150
-
μA
I
BATact
active mode battery
supply current
[9]
- 20 - μA
I
2
C-bus pins (P0[27] and P0[28])
V
IH
HIGH-level input
voltage
0.7V
DD(3V3)
- - V
V
IL
LOW-level input
voltage
- - 0.3V
DD(3V3)
V
V
hys
hysteresis voltage - 0.5V
DD(3V3)
- V
V
OL
LOW-level output
voltage
I
OLS
= 3 mA
[6]
- - 0.4 V
I
LI
input leakage current V
I
= V
DD(3V3)
[10]
- 2 4 μA
V
I
= 5 V - 10 22 μA
Oscillator pins
V
i(XTAL1)
input voltage on pin
XTAL1
0 - 1.8 V
V
o(XTAL2)
output voltage on pin
XTAL2
0 - 1.8 V
V
i(RTCX1)
input voltage on pin
RTCX1
0 - 1.8 V
V
o(RTCX2)
output voltage on pin
RTCX2
0 - 1.8 V
USB pins
I
OZ
OFF-state output
current
0 V < V
I
< 3.3 V - - ±10 μA
V
BUS
bus supply voltage - - 5.25 V
Table 5. Static characteristics …continued
T
amb
= − 40 ° C to +85 ° C for commercial applications, unless otherwise specified.
Symbol Parameter Conditions Min Typ
[1]
Max Unit