P89LPC9321 datasheet(49/70 Pages) NXP

No de pièce	P89LPC9321

Description	8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 512-byte data EEPROM

PDF	70 Pages

Scroll/Zoom	100%

Fabricant	NXP [NXP Semiconductors]

Site Internet	http://www.nxp.com

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49 / 70 page

P89LPC9321_1

Product data sheet

Rev. 01 — 9 December 2008

49 of 70

NXP Semiconductors

P89LPC9321

8-bit microcontroller with accelerated two-clock 80C51 core

7.32 User sector security bytes

There are eight User Sector Security Bytes on the P89LPC9321. Each byte corresponds

to one sector. Please see the P89LPC9321

User manual for additional details.

7.33 PGA

Additional PGA module is integrated. The gain of PGA can be programmable to 2, 4, 8

and 16. Please refer to Table 10 “Static characteristics” for detailed speciﬁcations.

PGA1TRIM2X4X and PGA1TRIM8X16X provide trim value of PGA1 gain level. As

power-on, default trim value for each gain setting is loaded into the PGA1 trim registers.

For accurate measurements, offset calibration is required.

Please see the P89LPC9321

User manual for detail conﬁguration, calibration, and usage

information.

In Power-down mode or Total Power-down mode, the PGA1 does not function. If the

PGAs, is enabled, it will consume power. Power can be reduced by disabling the PGA1.

P89LPC9321 Fiches technique(PDF) 49 Page - NXP Semiconductors