LPC1837FET256,551 NXP Semiconductors, LPC1837FET256,551 Datasheet - Page 669

• Manufacturer Part Number: LPC1837FET256,551
• Description: Microcontrollers (MCU) 32BIT ARM CORTEX-M3 MCU 136KB SRAM
• Manufacturer: NXP Semiconductors
• Series: LPC18xxr

Specifications of LPC1837FET256,551

• Core: ARM Cortex M3
• 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, 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: Details
• Other names: 935293795551

NXP Semiconductors
27.5 Pin description
27.6 Register description
<Document ID>
User manual
Table 573. QEI pin description
Table 574. Register overview: QEI (base address 0x400C 6000)
Pin name
QEI_A
QEI_B
QEI_IDX
Name
Control registers
CON
STAT
CONF
Position, index, and timer registers
POS
MAXPOS
CMPOS0
CMPOS1
CMPOS2
INXCNT
INXCMP0
LOAD
TIME
VEL
CAP
VELCOMP
FILTERPHA
FILTERPHB
FILTERINX
WINDOW
INXCMP1
INXCMP2
Interrupt registers
IEC
IES
INTSTAT
I/O
I
I
I
R/W
R/W
All information provided in this document is subject to legal disclaimers.
Access
WO
RO
R/W
RO
R/W
R/W
R/W
R/W
RO
R/W
RO
RO
RO
R/W
R/W
R/W
R/W
R/W
R/W
WO
WO
RO
Description
Used as the Phase A (PhA) input to the Quadrature Encoder Interface.
Used as the Phase B (PhB) input to the Quadrature Encoder Interface.
Used as the Index (IDX) input to the Quadrature Encoder Interface.
Rev. 00.13 — 20 July 2011
Address
offset
0x000
0x004
0x008
0x00C
0x010
0x014
0x018
0x01C
0x020
0x024
0x028
0x02C
0x030
0x034
0x038
0x03C
0x040
0x044
0x048
0x04C
0x050
0xFD8
0xFDC
0xFE0
Chapter 27: LPC18xx Quadrature Encoder Interface (QEI)
Configuration register
Position register
Index count register
Velocity timer reload register
Velocity counter register
Velocity capture register
Velocity compare register
Digital filter register on input phase
Digital filter register on input phase
Description
Control register
Encoder status register
Maximum position register
position compare register 0
position compare register 1
position compare register 2
Index compare register 0
Velocity timer register
A (QEI_A)
B (QEI_B)
Digital filter register on input index
(QEI_IDX)
Index acceptance window register
Index compare register 1
Index compare register 2
Interrupt enable clear register
Interrupt enable set register
Interrupt status register
UM10430
Reset value
0
0
0x000F 0000
0
0
0xFFFF FFFF
0xFFFF FFFF
0xFFFF FFFF
0
0xFFFF FFFF
0xFFFF FFFF
0xFFFF FFFF
0
0xFFFF FFFF
0
0
0
0
0x0000 0000
0xFFFF FFFF
0xFFFF FFFF
0
0
0
© NXP B.V. 2011. All rights reserved.
669 of 1164