LPC2157 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

LPC2157

Single-chip 16-bit/32-bit microcontrollers; 512 kB flash, with 32 segment x 4 LCD driver

Philips Electronics 

NXP Semiconductors

LPC2157/2158

Single-chip 16-bit/32-bit microcontrollers

VDD(LCD)

VLCD

CLK

SYNC

OSC

VSS

SCL_LCD

SDA_LCD

BP0 BP1 BP2 BP3

S[31:0]

LCD BIAS

GENERATOR

LCD

VOLTAGE

SELECTOR

BACKPLANE

OUTPUTS

TIMING

OSCILLATOR

INPUT

FILTERS

BLINKER

POWER-

ON

RESET

DISPLAY

CONTROLLER

COMMAND

DECODER

I2C-BUS

CONTROLLER

DISPLAY SEGMENT OUTPUTS

DISPLAY LATCH

SHIFT REGISTER

INPUT

BANK

SELECTOR

DISPLAY

RAM

40 × 4 BITS

OUTPUT

BANK

SELECTOR

DATA

POINTER

SUB-

ADDRESS

COUNTER

SA0

Fig 3. LCD display controller block diagram

5. Pinning information

5.1 Pinning

A0 A1 A2

002aad449

1

75

LPC2157FBD

25

Fig 4. Pin configuration for LPC2157

51

002aad385

LPC2157_2158_1

Product data sheet

Rev. 01 — 15 October 2008

© NXP B.V. 2008. All rights reserved.

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