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P89LPC932A1FA Datasheet(PDF) 10 Page - NXP Semiconductors |
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P89LPC932A1FA Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 64 page 9397 750 14871 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. 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 Pin Type Description TSSOP28, PLCC28 HVQFN28 |
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