LPC546xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 20. Typical AHB/APB peripheral power consumption [3][4][5]
Tamb = 25 °C, VDD = 3.3 V;
Peripheral
IDD in uA/MHz
IDD in uA/MHz
IDD in uA/MHz
IDD in uA/MHz
IDD in uA/MHz
Flexcomm Interface1
(USART, SPI, I2C)
1.6
1.6
1.6
1.8
2.4
Flexcomm Interface 2
(USART, SPI, I2C)
1.7
1.7
1.7
1.9
2.6
2.2
2.3
2.5
3.0
2.5
2.3
2.3
Flexcomm Interface 3
(USART, SPI, I2C)
1.4
1.4
1.4
1.6
Flexcomm Interface 4
(USART, SPI, I2C)
1.4
1.5
1.5
1.7
Flexcomm Interface 5
(USART, SPI, I2C)
1.7
1.7
1.7
1.9
Flexcomm Interface 6
(USART, SPI, I2C, I2S)
2.0
2.0
2.0
2.3
Flexcomm Interface 7
(USART, SPI, I2C, I2S)
1.6
1.6
1.6
1.9
Flexcomm Interface 8
(USART, SPI, I2C)
1.5
1.5
1.5
1.8
Flexcomm Interface 9
(USART, SPI, I2C)
1.5
1.5
1.5
1.8
Sync APB peripheral
CPU: 12 MHz,
CPU: 48 MHz,
CPU: 96 MHz,
CPU: 180 MHz,
CPU: 220 MHz,
sync APB bus:
220 MHz
sync APB bus: sync APB bus: sync APB bus: sync APB bus:
12 MHz
0.83
2.67
1.1
48 MHz
0.85
2.65
1.1
96 MHz
0.86
2.65
1.1
180 MHz
[1]
[1]
INPUTMUX
IOCON
1.0
1.3
4.2
1.8
2.0
0.6
0.4
0.4
0.1
0.3
1.3
1.4
1.3
3.7
3.7
2.0
6.0
1.7
3.13
1.3
PINT
GINT0 and GINT1
WWDT
1.33
0.42
0.3
1.35
0.42
0.3
1.34
0.42
0.3
1.52
0.46
0.3
RTC
MRT
0.3
0.3
0.3
0.3
RIT
0.1
0.1
0.1
0.1
UTICK
0.2
0.2
0.2
0.2
CTimer0
CTimer1
CTimer2
Smart card0
Smart card1
RNG
0.8
0.8
0.8
0.9
0.8
0.9
0.9
1.0
0.83
2.5
0.85
2.5
0.88
2.5
0.99
2.8
2.5
2.5
2.5
2.8
1.4
1.4
1.4
1.5
OTP controller
SHA
4.0
4.0
4.0
4.5
1.2
1.2
1.2
1.3
LPC546xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 2.5 — 20 June 2018
95 of 169
NXP [ NXP ]
