LPC1112FHN33/203,5 NXP Semiconductors, LPC1112FHN33/203,5 Datasheet - Page 497
LPC1112FHN33/203,5
Manufacturer Part Number
LPC1112FHN33/203,5
Description
ARM Microcontrollers - MCU Cortex-M0 16kB flash up to 4 kB SRAM
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1113FHN333035.pdf
(538 pages)
Specifications of LPC1112FHN33/203,5
Rohs
yes
Core
ARM Cortex M0
Processor Series
LPC1112
Data Bus Width
32 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
16 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 3.6 V
Operating Temperature Range
- 65 C to + 150 C
Package / Case
HVQFN-33
Mounting Style
SMD/SMT
Factory Pack Quantity
260
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Table 441. CMISIS access NVIC functions
[1]
UM10398
User manual
CMSIS function
void NVIC_EnableIRQ(IRQn_Type IRQn)
void NVIC_DisableIRQ(IRQn_Type IRQn)
void NVIC_SetPendingIRQ(IRQn_Type IRQn)
void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
uint32_t NVIC_GetPriority(IRQn_Type IRQn)
The input parameter IRQn is the IRQ number, see
28.6.2.1 Accessing the Cortex-M0 NVIC registers using CMSIS
28.6.2.2 Interrupt Set-enable Register
The processor automatically stacks its state on exception entry and unstacks this state on
exception exit, with no instruction overhead. This provides low latency exception handling.
The hardware implementation of the NVIC registers is:
Table 440. NVIC register summary
CMSIS functions enable software portability between different Cortex-M profile
processors.
To access the NVIC registers when using CMSIS, use the following functions:
The ISER enables interrupts, and shows which interrupts are enabled. See the register
summary in
The bit assignments are:
Address
0xE000E100
0xE000E180
0xE000E200
0xE000E280
0xE000E400-0xE
000E41C
•
•
•
•
A programmable priority level of 0-3 for each interrupt. A higher level corresponds to a
lower priority, so level 0 is the highest interrupt priority.
Level and pulse detection of interrupt signals.
Interrupt tail-chaining.
An external Non-Maskable Interrupt (NMI). See
the NMI for specific parts.
Table 440
Name
ISER
ICER
ISPR
ICPR
IPR0-7
[1]
Chapter 28: LPC111x/LPC11Cxx Appendix: ARM Cortex-M0 reference
[1]
All information provided in this document is subject to legal disclaimers.
[1]
[1]
Rev. 12 — 24 September 2012
[1]
Table 427
for the register attributes.
[1]
Type
RW
RW
RW
RW
RW
[1]
for more information.
Description
Enables an interrupt or exception.
Disables an interrupt or exception.
Sets the pending status of interrupt or exception to 1.
Clears the pending status of interrupt or exception to 0.
Reads the pending status of interrupt or exception.
This function returns non-zero value if the pending status is set
to 1.
Sets the priority of an interrupt or exception with configurable
priority level to 1.
Reads the priority of an interrupt or exception with configurable
priority level. This function returns the current priority level.
Reset value
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
Section 28.1
Description
Section 28–28.6.2.2
Section 28–28.6.2.3
Section 28–28.6.2.4
Section 28–28.6.2.5
Section 28–28.6.2.6
for implementation of
UM10398
© NXP B.V. 2012. All rights reserved.
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