LPC1857FET256,551 NXP Semiconductors, LPC1857FET256,551 Datasheet - Page 254
LPC1857FET256,551
Manufacturer Part Number
LPC1857FET256,551
Description
IC MCU 32BIT 1MB FLASH 256LBGA
Manufacturer
NXP Semiconductors
Series
LPC18xxr
Datasheets
1.LPC1830FET256551.pdf
(87 pages)
2.LPC1810FET100551.pdf
(2 pages)
3.LPC1810FET100551.pdf
(1164 pages)
Specifications of LPC1857FET256,551
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
150MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, Microwire, SD/MMC, SPI, SSI, SSP, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, LCD, Motor Control PWM, POR, PWM, WDT
Number Of I /o
80
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
136K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-LBGA
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1857FET256,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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User manual
15.5.1.6 Pin interrupt active level (falling edge interrupt) set register
15.5.1.7 Pin interrupt active level (falling edge interrupt) clear register
Table 175. Pin interrupt active level (falling edge interrupt enable) register (IENF, address
For each of the 8 pin interrupts selected in the PINTSEL registers (see
Table
depending on the pin interrupt mode configured in the ISEL register:
Table 176. Pin interrupt active level (falling edge interrupt) set register (SIENF, address
For each of the 8 pin interrupts selected in the PINTSEL registers (see
Table
depending on the pin interrupt mode configured in the ISEL register:
Bit
7:0
31:8 -
Bit
7:0
31:8
•
•
•
•
If the pin interrupt mode is edge sensitive (PMODE = 0), the falling edge interrupt is
set.
If the pin interrupt mode is level sensitive (PMODE = 1), the HIGH-active interrupt is
selected.
If the pin interrupt mode is edge sensitive (PMODE = 0), the falling edge interrupt is
cleared.
If the pin interrupt mode is level sensitive (PMODE = 1), the LOW-active interrupt is
selected.
Symbol Description
ENAF
131), one bit in the SIENF register sets the corresponding bit in the IENF register
131), one bit in the CIENF register sets the corresponding bit in the IENF register
Symbol
SETENAF Ones written to this address set bits in the IENF, thus
-
0x4008 7010) bit description
0x4008 7014) bit description
Enables the falling edge or configures the active level interrupt
for each pin interrupt. Bit n configures the pin interrupt selected
in PINTSELn.
0 = Disable falling edge interrupt or set active interrupt level
LOW.
1 = Enable falling edge interrupt enabled or set active interrupt
level HIGH.
Reserved.
All information provided in this document is subject to legal disclaimers.
Description
enabling interrupts. Bit n sets bit n in the IENF register.
0 = No operation.
1 = Select HIGH-active interrupt or enable falling edge
interrupt.
Reserved.
Rev. 00.13 — 20 July 2011
Chapter 15: LPC18xx GPIO
UM10430
© NXP B.V. 2011. All rights reserved.
Table 130
Table 130
Reset
value
NA
-
Reset
value
0
-
254 of 1164
Access
WO
-
Access
R/W
-
and
and
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