參數(shù)資料
型號(hào)： LPC2157FBD100
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Single-chip 16-bit-32-bit microcontrollers; 512 kB flash, with 32 segment x 4 LCD driver
中文描述： 32-BIT, FLASH, 60 MHz, RISC MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT407-1, LQFP-100
文件頁(yè)數(shù)： 27/45頁(yè)
文件大?。?/td> 220K
代理商： LPC2157FBD100
LPC2157_2158_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 9 February 2009
27 of 45
NXP Semiconductors
LPC2157/2158
Single-chip 16-bit/32-bit microcontrollers
The JTAG clock (TCK) must be slower than
1
6
of the CPU clock (CCLK) for the JTAG
interface to operate.
6.20.2
RealMonitor
RealMonitor is a configurable software module, developed by ARM Inc., which enables
real-time debug. It is a lightweight debug monitor that runs in the background while users
debug their foreground application. It communicates with the host using the DCC, which is
present in the EmbeddedICE logic. The LPC2157/2158 contain a specific configuration of
RealMonitor software programmed into the on-chip flash memory.
6.21 LCD driver
6.21.1
General description
The LCD segment driver in the LPC2157/2158 can interface to most LCDs using low
multiplex rates. It generates the drive signals for static or multiplexed LCDs containing up
to four backplanes and up to 32 segments. The LCD controller communicates to a host
using the I
2
C-bus. The I
2
C-bus clock and data signals for both the microcontroller and the
LCD driver are available on the LPC2157/2158 providing system flexibility.
Communication overhead to manage the display is minimized by an on-chip display RAM
with auto-increment addressing, hardware subaddressing, and display memory switching
(static and duplex drive modes). Please refer to PCF8576D data sheet for electrical data.
6.21.2
Functional description
The LCD controller is a versatile peripheral device designed to interface microcontrollers
to a wide variety of LCDs. It can directly drive any static or multiplexed LCD containing up
to four backplanes and up to 32 segments. The display configurations possible with the
LCD controller depend on the number of active backplane outputs required. A selection of
display configurations is shown in
Table 4
. All of these configurations can be implemented
in a typical system.
The microcontroller communicates to the LCD controller using the I
2
C-bus.The
appropriate biasing voltages for the multiplexed LCD waveforms are generated internally.
The only other connections required to complete the system are to the power supplies
(V
DD(LCD)
, V
SS
and V
LCD
) and the LCD panel chosen for the application.
6.21.3
LCD bias voltages
LCD biasing voltages are obtained from an internal voltage divider consisting of three
series resistors connected between V
LCD
and V
SS
. The LCD voltage can be temperature
compensated externally via the supply to pin V
LCD
. A voltage selector drives the
multiplexing of the LCD based on programmable configurations.
Table 4.
Number of
Backplanes
Selection of display configurations
7-segments numeric
Digits
14-segments alphanumeric
Characters
Dot matrix
Segments
Indicator
symbols
16
12
8
4
Indicator
symbols
16
12
8
4
4
3
2
1
128
96
64
32
16
12
8
4
8
6
4
2
128
96
64
32
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LPC2158FBD100 Single-chip 16-bit-32-bit microcontrollers; 512 kB flash, with 32 segment x 4 LCD driver
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LPC2157FBD100,551 功能描述:ARM微控制器 - MCU 512K FL/32K RAM ADC/DAC LCD RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
LPC2158 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single-chip 16-bit/32-bit microcontrollers; 512 kB flash, with 32 segment x 4 LCD driver
LPC2158FBD100 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single-chip 16-bit/32-bit microcontrollers; 512 kB flash, with 32 segment x 4 LCD driver
LPC2158FBD100,551 功能描述:ARM微控制器 - MCU 512K FL/40K RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
LPC2158FBD100-S 功能描述:ARM微控制器 - MCU 512K FL/40K RAM USB LCD RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
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