P89LPC915FDH NXP [NXP Semiconductors], P89LPC915FDH Datasheet - Page 55

• Manufacturer Part Number: P89LPC915FDH
• Description: 8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V flash with 8-bit A/D converter
• Manufacturer: NXP [NXP Semiconductors]

Philips Semiconductors
9397 750 14397
Product data
9.28.6 In-application programming (IAP-Lite)
9.28.7 Using flash as data storage
9.28.8 User configuration bytes
9.28.9 User sector security bytes
V
to a commercial programmer in order to use this feature. Additional details may be
found in the P89LPC915/916/917 User’s Manual .
In-Application Programming is performed in the application under the control of the
microcontroller’s firmware. The IAP-Lite facility consists of internal hardware
resources to facilitate programming and erasing. The Philips In-Application
Programming Lite has made in-application programming in an embedded application
possible without additional components. This is accomplished through the use of four
SFRs consisting of a control/status register, a data register, and two address
registers. Additional details may be found in the P89LPC915/916/917 User’s Manual .
The Flash code memory array of this device supports individual byte erasing and
programming. Any byte in the code memory array may be read using the MOVC
instruction, provided that the sector containing the byte has not been secured (a
MOVC instruction is not allowed to read code memory contents of a secured sector).
Thus any byte in a non-secured sector may be used for non-volatile data storage.
Some user-configurable features of the P89LPC915/916/917 must be defined at
power-up and therefore cannot be set by the program after start of execution. These
features are configured through the use of the Flash byte UCFG1. Please see the
P89LPC915/916/917 User’s Manual for additional details.
There are eight User Sector Security Bytes, each corresponding to one sector.
Please see the P89LPC915/916/917 User’s Manual for additional details.
SS
, RST, clock, and data signals) needs to be available to interface your application
Rev. 04 — 17 December 2004
8-bit microcontrollers with accelerated two-clock 80C51 core
P89LPC915/916/917
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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