P89LPC913FDH datasheet(15/63 Pages) PHILIPS

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Philips Semiconductors

P89LPC912/913/914

8-bit microcontrollers with two-clock 80C51 core

Product data

Rev. 03 — 17 December 2004

15 of 63

9397 750 14468

7.1 Product comparison

Table 6 highlights the differences between these three devices. For a complete list of

device features, please see Section 2 “Features” on page 1.

Special function registers

Remark: Special Function Registers (SFRs) accesses are restricted in the following

ways:

• User must not attempt to access any SFR locations not deﬁned.

• Accesses to any deﬁned SFR locations must be strictly for the functions for the

SFRs.

• SFR bits labeled ‘-’, ‘0’ or ‘1’ can only be written and read as follows:

– ‘-’ Unless otherwise speciﬁed, must be written with ‘0’, but can return any value

when read (even if it was written with ‘0’). It is a reserved bit and may be used in

future derivatives.

– ‘0’ must be written with ‘0’, and will return a ‘0’ when read.

– ‘1’ must be written with ‘1’, and will return a ‘1’ when read.

Table 6:

Product comparison

Type number

External

crystal pins

X2 CLKOUT

T0 PWM

output

SPI with

SS pin

SPI

without

SS pin

UART

Max fosc

(MHz)

TxD

RxD

P89LPC912

P89LPC913

P89LPC914

P89LPC913FDH Datasheet(PDF) 15 Page - NXP Semiconductors

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