LPC1857FET256,551 NXP Semiconductors, LPC1857FET256,551 Datasheet - Page 543
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1857FET256,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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23.5 Pin description
<Document ID>
User manual
23.5.1.1 Signals used for single panel STN displays
23.5.1 Signal usage
More than 4 bpp for monochrome panels can be programmed, but using these modes has
no benefit because the maximum number of gray scales supported on the display is 15.
The largest configuration for the LCD controller uses 31 pins. There are many variants
using as few as 10 pins for a monochrome STN panel. Pins are allocated in groups based
on the selected configuration. All LCD functions are shared with other chip functions. In
Table
Table 451. LCD controller pins
The signals that are used for various display types are identified in the following sections.
The signals used for single panel STN displays are shown in
upper panel data.
Table 452. Pins used for single panel STN displays
Pin name
LCDPWR
LCDCLK
LCDENAB/LCDM
(LCDAC)
LCDFP
LCDLE
LCDLP
LCDVD[23:0]
GP_CLKIN
Pin name
LCDPWR
LCDDCLK
LCDENAB/ LCDM
LCDFP
LCDLE
LCDLP
•
•
•
1 bpp, palettized, 2 gray scales selected from 15.
2 bpp, palettized, 4 gray scales selected from 15.
4 bpp, palettized, 16 gray scales selected from 15.
451, only the LCD related portion of the pin name is shown.
All information provided in this document is subject to legal disclaimers.
Type
Output LCD panel power enable.
Output LCD panel clock.
Output STN AC bias drive or TFT data enable output.
Output Frame pulse (STN). Vertical synchronization pulse (TFT)
Output Line end signal
Output Line synchronization pulse (STN). Horizontal synchronization pulse
Output LCD panel data. Bits used depend on the panel configuration.
Input
Rev. 00.13 — 20 July 2011
4-bit Monochrome
Function
(TFT)
General purpose CGU input clock. Can be used as the LCD external
clock LCDCLKIN.
(10 pins)
Y
Y
Y
Y
Y
Y
8-bit Monochrome
(14 pins)
Y
Y
Y
Y
Y
Y
Table
Chapter 23: LPC18xx LCD
452. UD refers to
UM10430
© NXP B.V. 2011. All rights reserved.
(14 pins)
Color
Y
Y
Y
Y
Y
Y
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