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LPC81xM Datasheet(PDF) 77 Page - NXP Semiconductors

Part # LPC81xM
Description  32-bit ARM짰 Cortex짰-M0 microcontroller
PDF  78 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

LPC81xM Datasheet(HTML) 77 Page - NXP Semiconductors

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LPC81XM
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 4.6 — 4 April 2018
77 of 78
continued >>
NXP Semiconductors
LPC81xM
32-bit ARM Cortex-M0+ microcontroller
22. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
4.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 3
5
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7
Pinning information . . . . . . . . . . . . . . . . . . . . . . 6
7.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 8
8
Functional description . . . . . . . . . . . . . . . . . . 13
8.1
ARM Cortex-M0+ core . . . . . . . . . . . . . . . . . . 13
8.2
On-chip flash program memory . . . . . . . . . . . 13
8.3
On-chip SRAM . . . . . . . . . . . . . . . . . . . . . . . . 13
8.4
On-chip ROM . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.5
Nested Vectored Interrupt Controller (NVIC) . 13
8.5.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.5.2
Interrupt sources. . . . . . . . . . . . . . . . . . . . . . . 13
8.6
System tick timer . . . . . . . . . . . . . . . . . . . . . . 14
8.7
Memory map. . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.8
I/O configuration . . . . . . . . . . . . . . . . . . . . . . . 15
8.8.1
Standard I/O pad configuration . . . . . . . . . . . . 16
8.9
Switch Matrix (SWM) . . . . . . . . . . . . . . . . . . . 17
8.10
Fast General-Purpose parallel I/O (GPIO) . . . 17
8.10.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.11
Pin interrupt/pattern match engine . . . . . . . . . 18
8.11.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.12
USART0/1/2 . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8.12.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8.13
SPI0/1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8.13.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8.14
I2C-bus interface . . . . . . . . . . . . . . . . . . . . . . 20
8.14.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.15
State-Configurable Timer/PWM
(SCTimer/PWM) . . . . . . . . . . . . . . . . . . . . . . . 20
8.15.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.16
Multi-Rate Timer (MRT) . . . . . . . . . . . . . . . . . 21
8.16.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.17
Windowed WatchDog Timer (WWDT) . . . . . . 21
8.17.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.18
Self Wake-up Timer (WKT). . . . . . . . . . . . . . . 22
8.18.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.19
Analog comparator (ACMP) . . . . . . . . . . . . . . 22
8.19.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8.20
Clocking and power control . . . . . . . . . . . . . . 24
8.20.1
Crystal and internal oscillators . . . . . . . . . . . . 24
8.20.1.1
Internal RC Oscillator (IRC) . . . . . . . . . . . . . . 25
8.20.1.2
Crystal Oscillator (SysOsc) . . . . . . . . . . . . . . 25
8.20.1.3
Internal Low-power Oscillator and Watchdog
Oscillator (WDOsc) . . . . . . . . . . . . . . . . . . . . 25
8.20.2
Clock input . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
8.20.3
System PLL . . . . . . . . . . . . . . . . . . . . . . . . . . 25
8.20.4
Clock output . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8.20.5
Wake-up process . . . . . . . . . . . . . . . . . . . . . . 26
8.20.6
Power control . . . . . . . . . . . . . . . . . . . . . . . . . 26
8.20.6.1
Power profiles . . . . . . . . . . . . . . . . . . . . . . . . 26
8.20.6.2
Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8.20.6.3
Deep-sleep mode. . . . . . . . . . . . . . . . . . . . . . 27
8.20.6.4
Power-down mode . . . . . . . . . . . . . . . . . . . . . 27
8.20.6.5
Deep power-down mode . . . . . . . . . . . . . . . . 27
8.21
System control . . . . . . . . . . . . . . . . . . . . . . . . 28
8.21.1
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8.21.2
Brownout detection . . . . . . . . . . . . . . . . . . . . 28
8.21.3
Code security (Code Read Protection - CRP) 29
8.21.4
APB interface . . . . . . . . . . . . . . . . . . . . . . . . . 29
8.21.5
AHBLite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
8.22
Emulation and debugging . . . . . . . . . . . . . . . 30
9
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 31
10
Thermal characteristics . . . . . . . . . . . . . . . . . 32
11
Static characteristics . . . . . . . . . . . . . . . . . . . 33
11.1
Power consumption . . . . . . . . . . . . . . . . . . . . 37
11.2
CoreMark data . . . . . . . . . . . . . . . . . . . . . . . . 41
11.3
Peripheral power consumption . . . . . . . . . . . 42
11.4
Electrical pin characteristics. . . . . . . . . . . . . . 43
12
Dynamic characteristics. . . . . . . . . . . . . . . . . 46
12.1
Power-up ramp conditions . . . . . . . . . . . . . . . 46
12.2
Flash memory . . . . . . . . . . . . . . . . . . . . . . . . 46
12.3
External clock for the oscillator in slave mode 47
12.4
Internal oscillators . . . . . . . . . . . . . . . . . . . . . 48
12.5
I/O pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12.6
I2C-bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12.7
SPI interfaces. . . . . . . . . . . . . . . . . . . . . . . . . 51
12.8
USART interface . . . . . . . . . . . . . . . . . . . . . . 54
13
Analog characteristics . . . . . . . . . . . . . . . . . . 55
13.1
BOD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
13.2
Internal voltage reference . . . . . . . . . . . . . . . 55
13.3
Comparator . . . . . . . . . . . . . . . . . . . . . . . . . . 56
14
Application information . . . . . . . . . . . . . . . . . 59
14.1
Typical wake-up times . . . . . . . . . . . . . . . . . . 59
14.2
XTAL input . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
14.3
XTAL Printed Circuit Board (PCB) layout
guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
14.4
ElectroMagnetic Compatibility (EMC) . . . . . . 62



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