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P89LPC9103FTK Datasheet(PDF) 11 Page - NXP Semiconductors |
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P89LPC9103FTK Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 58 page 9397 750 14655 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 02 — 11 April 2005 11 of 58 Philips Semiconductors P89LPC9102/9103/9107 8-bit microcontrollers with two-clock accelerated 80C51 core Table 5: P89LPC9103 pin description Symbol Pin Type Description P0.1 to P0.5 I/O Port 0: Port 0 is an I/O port with a user-configurable output type. During reset Port 0 latches are configured in the input-only mode with the internal pull-up disabled. The operation of Port 0 pins as inputs and outputs depends upon the port configuration selected. Each port pin is configured independently. Refer to Section 8.12.1 “Port configurations” and Table 12 “Static characteristics” for details. The Keypad Interrupt feature operates with Port 0 pins. All pins have Schmitt triggered inputs. Port 0 also provides various special functions as described below: P0.1/KBI1/ AD10 4 I/O P0.1 — Port 0 bit 1. I KBI1 — Keyboard input 1. I AD10 — ADC1 channel 0 analog input. P0.2/KBI2/ AD11 1 I/O P0.2 — Port 0 bit 2. I KBI2 — Keyboard input 2. I AD11 — ADC1 channel 1 analog input. P0.3/CIN1B/ AD12 10 I/O P0.3 — Port 0 bit 3. I CIN1B — Comparator 1 positive input. I AD12 — ADC1 channel 2 analog input. P0.4/CIN1A/ AD13/DAC1 9 I/O P0.4 — Port 0 bit 4. I CIN1A — Comparator 1 positive input. I AD13 — ADC1 channel 3 analog input. O DAC1 — Digital to analog converter output. P0.5/CMPREF/ CLKIN 6 I/O P0.5 — Port 0 bit 5. I CMPREF — Comparator reference (negative) input. I CLKIN — External clock input. P1.0 to P1.5 I/O Port 1: Port 1 is an I/O port with a user-configurable output type. During reset Port 1 latches are configured in the input-only mode with the internal pull-up disabled. The operation of the configurable Port 1 pins as inputs and outputs depends upon the port configuration selected. Each of the configurable port pins are programmed independently. Refer to Section 8.12.1 “Port configurations” and Table 12 “Static characteristics” for details. P1.5 is input-only. All pins have Schmitt triggered inputs. Port 1 also provides various special functions as described below: P1.0/TXD 5 I/O P1.0 — Port 1 bit 0. O TXD — Serial port transmitter data. P1.1/RXD 6 I/O P1.1 — Port 1 bit 1. I RXD — Serial port receiver data. |
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