Datasheet

LPC3141_43 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 4 June 2012 44 of 69
NXP Semiconductors
LPC3141/3143
Low-cost, low-power ARM926EJ microcontrollers
8.1 Power consumption
Table 14. Power consumption
Symbol Parameter Conditions Min Typ Max Unit
Standby power mode
[1]
I
DD
Supply current core; VDDI = 1.2 V - 1.1 - mA
all other SUP1 supplies: VDDA12 = 1.2 V;
USB_VDDA12_PL = 1.2 V
- 0.175 - mA
VDDE_IOA = 1.8 V - 0.001 - mA
VDDE_IOB = 1.8 V - 0.0008 - mA
VDDE_IOC = 3.3 v - 0.065 - mA
ADC10B_VDDA33 = 3.3 V - 0 - mA
USB_VDDA33 = 3.3 V - 0 - mA
USB_VDDA_DRV = 3.3 V - 0 - mA
P Power dissipation Total for supply domains SUP1, SUP3, SUP4,
SUP8
-1.75-mW
External SDRAM based system (operating frequency 270 MHz (core)/ 90 MHz (bus)); heavy SDRAM load power;
without dynamic clock scaling
[2]
I
DD
Supply current core; VDDI = 1.2 V - 86 - mA
all other SUP1 supplies: VDDA12 = 1.2 V;
USB_VDDA12_PL = 1.2 V
-1.61-mA
VDDE_IOA = 1.8 V - 10.5 - mA
VDDE_IOB = 1.8 V - 5.8 - mA
VDDE_IOC = 3.3 V - 0.52 - mA
ADC10B_VDDA33 = 3.3 V - 0.0002 - mA
USB_VDDA33 = 3.3 V - 1.66 - mA
USB_VDDA_DRV = 3.3 V - 0.895 - mA
P Power dissipation Total for supply domains SUP1, SUP3, SUP4,
SUP8
- 144.6 - mW
External SDRAM based system (operating frequency 270 MHz (core)/ 90 MHz (bus)); heavy SDRAM load power;
with dynamic clock scaling
[2][3]
I
DD
Supply current core; VDDI = 1.2 V - 67 - mA
all other SUP1 supplies: VDDA12 = 1.2 V;
USB_VDDA12_PL = 1.2 V
-1.61-mA
VDDE_IOA = 1.8 V - 10.5 - mA
VDDE_IOB = 1.8 V - 5.8 - mA
VDDE_IOC = 3.3 V - 0.52 - mA
ADC10B_VDDA33 = 3.3 V - 0.0002 - mA
USB_VDDA33 = 3.3 V - 1.66 - mA
USB_VDDA_DRV = 3.3 V - 0.895 - mA
P Power dissipation Total for supply domains SUP1, SUP3, SUP4,
SUP8
- 121.8 - mW