P89LPC932A1FA datasheet(10/64 Pages) PHILIPS

Part #	P89LPC932A1FA

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

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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10 / 64 page

9397 750 14871

Product data sheet

Rev. 02 — 10 May 2005

10 of 64

Philips Semiconductors

P89LPC932A1

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

P2.0 to P2.7

I/O

Port 2: Port 2 is an 8-bit I/O port with a user-conﬁgurable output type.

During reset Port 2 latches are conﬁgured in the input only mode with the

internal pull-up disabled. The operation of Port 2 pins as inputs and

outputs depends upon the port conﬁguration selected. Each port pin is

conﬁgured independently. Refer to Section 7.13.1 “Port conﬁgurations”

and Table 9 “Static characteristics” for details.

All pins have Schmitt trigger inputs.

Port 2 also provides various special functions as described below:

P2.0/ICB

1

25

I/O

P2.0 — Port 2 bit 0.

I

ICB — Input Capture B.

P2.1/OCD

2

26

I/O

P2.1 — Port 2 bit 1.

O

OCD — Output Compare D.

P2.2/MOSI

13

9

I/O

P2.2 — Port 2 bit 2.

I/O

MOSI — SPI master out slave in. When conﬁgured as master, this pin is

output; when conﬁgured as slave, this pin is input.

P2.3/MISO

14

10

I/O

P2.3 — Port 2 bit 3.

I/O

MISO — When conﬁgured as master, this pin is input, when conﬁgured as

slave, this pin is output.

P2.4/SS

15

11

I/O

P2.4 — Port 2 bit 4.

I

SS — SPI Slave select.

P2.5/SPICLK

16

12

I/O

P2.5 — Port 2 bit 5.

I/O

SPICLK — SPI clock. When conﬁgured as master, this pin is output; when

conﬁgured as slave, this pin is input.

P2.6/OCA

27

23

I/O

P2.6 — Port 2 bit 6.

O

OCA — Output Compare A.

P2.7/ICA

28

24

I/O

P2.7 — Port 2 bit 7.

I

ICA — Input Capture A.

P3.0 to P3.1

I/O

Port 3: Port 3 is a 2-bit I/O port with a user-conﬁgurable output type.

During reset Port 3 latches are conﬁgured in the input only mode with the

internal pull-up disabled. The operation of Port 3 pins as inputs and

outputs depends upon the port conﬁguration selected. Each port pin is

conﬁgured independently. Refer to Section 7.13.1 “Port conﬁgurations”

and Table 9 “Static characteristics” for details.

All pins have Schmitt trigger inputs.

Port 3 also provides various special functions as described below:

P3.0/XTAL2/

CLKOUT

9

5

I/O

P3.0 — Port 3 bit 0.

O

XTAL2 — Output from the oscillator ampliﬁer (when a crystal oscillator

option is selected via the ﬂash conﬁguration.

O

CLKOUT — CPU clock divided by 2 when enabled via SFR bit (ENCLK -

TRIM.6). It can be used if the CPU clock is the internal RC oscillator,

watchdog oscillator or external clock input, except when XTAL1/XTAL2 are

used to generate clock source for the RTC/system timer.

Table 3:

Pin description …continued

Symbol

Type Description

TSSOP28,

PLCC28

HVQFN28

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