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P89LPC915 Datasheet(PDF) 10 Page - NXP Semiconductors |
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P89LPC915 Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 72 page Philips Semiconductors P89LPC915/916/917 8-bit microcontrollers with accelerated two-clock 80C51 core Product data Rev. 04 — 17 December 2004 10 of 72 9397 750 14397 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Table 4: P89LPC916 pin description Symbol Pin Type Description P0.1 to P0.5 I/O Port 0: Port 0 is a 5-bit I/O port with user-configurable outputs. 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 9.12.1 “Port configurations” and Table 13 “DC electrical 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: 1 I/O P0.1 — Port 0 bit 1. I CIN2B — Comparator 2 positive input B. I KBI1 — Keyboard input 1. I AD10 — A/D channel 1, input 0 16 I/O P0.2 — Port 0 bit 2. I CIN2A — Comparator 2 positive input A. I KBI2 — Keyboard input 2. I AD11 — A/D channel 1, input 1 15 I/O P0.3 — Port 0 bit 3. I CIN1B — Comparator 1 positive input B. I KBI3 — Keyboard input 3. I AD12 — A/D channel 1, input 2. 14 I/O P0.4 — Port 0 bit 4. I CIN1A — Comparator 1 positive input A. I KBI4 — Keyboard input 4. I AD13 — A/D channel 1, input 3. O DAC1 — Digital to analog converter 1 output. 13 I/O P0.5 — Port 0 bit 5. I CMPREF — Comparator reference (negative) input. I KBI5 — Keyboard input 5. I CLKIN — External clock input. |
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