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P83C434

NXP
Part Number P83C434
Manufacturer NXP
Description 8-bit microcontrollers with LCD-driver
Published Mar 22, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET P83C434; P83C834 8-bit microcontrollers with LCD-driver Product specification Supersedes...
Datasheet PDF File P83C434 PDF File

P83C434
P83C434

Overview
INTEGRATED CIRCUITS DATA SHEET P83C434; P83C834 8-bit microcontrollers with LCD-driver Product specification Supersedes data of 1996 Oct 16 File under Integrated Circuits, IC20 1997 Jul 03 Philips Semiconductors Product specification 8-bit microcontrollers with LCD-driver CONTENTS 1 1.
1 1.
2 2 3 4 5 5.
1 5.
2 6 6.
1 6.
2 6.
3 6.
4 6.
5 6.
6 6.
7 FEATURES Differences from the 80C51 core Memory GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description FUNCTIONAL DESCRIPTION Input/Output (I/O) Oscillator Interrupts Reduced power modes Reset Special Function Registers (SFRs) LCD driver unit 7 8 9 10 11 11.
1 12 13 14 14.
1 14.
2 14.
3 15 16 P83C434; P83C834 LIMITING VALUES HANDLING DC CHARACTERISTICS LCD DRIVER CHARACTERISTICS AC CHARACTERISTICS Characteristic curves APPLICATION INFORMATION PACKAGE OUTLINE SOLDERING Introduction SDIP QFP DEFINITIONS LIFE SUPPORT APPLICATIONS 1997 Jul 03 2 Philips Semiconductors Product specification 8-bit microcontrollers with LCD-driver 1 FEATURES P83C434; P83C834 • Timer 0 external input replaced by a direct connection to the 32 kHz oscillator output.
• Timer 1 external input is connected to pin P0.
0 (Port 0); alternate function of P0.
0.
• Standard serial interface and its control register is not present.
• Adjustable on-chip oscillator without external components.
• Wake-up from Power-down mode is also possible by means of an interrupt.
• Extended external interrupts.
1.
2 Memory ROM/RAM sizes MEMORY DEVICE ROM P83C434 P83C834 2 4 kbytes 8 kbytes RAM 128 bytes 256 bytes • 80C51 type core • System clock derived from an internal free running Current Controlled Oscillator (CCO); no external components required.
Clock frequency can be adjusted by software.
• Optimized for EMC (Electromagnetic Compatibility) • Clock frequency fclk = 1 to 12 MHz • 12 I/O lines, quasi-bidirectional • Gated interrupt on 8 I/O lines: – P0.
0 to P0.
3 when LOW – P0.
4 to P0.
7 when LOW or HIGH • LCD driver clock, 32 kHz, which a...


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