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P89LPC9401 Datasheet(PDF) 7 Page - NXP Semiconductors

Part # P89LPC9401
Description  8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment x 4 LCD driver
PDF  59 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P89LPC9401 Datasheet(HTML) 7 Page - NXP Semiconductors

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P89LPC9401_1
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 5 September 2005
7 of 59
Philips Semiconductors
P89LPC9401
8-bit two-clock 80C51 microcontroller with 32 segment
× 4 LCD driver
6.
Pinning information
6.1 Pinning
6.2 Pin description
Fig 5.
Pin configuration
P89LPC9401
P0.5/CMPREF/KBI5
S17
P0.4/CIN1A/KBI4
S16
P0.3/CIN1B/KBI3
S15
P0.2/CIN2A/KBI2
S14
P0.1/CIN2B/KBI1
S13
P2.0
S12
P2.1
S11
P0.0/CMP2/KBI0
S10
P1.7
S9
P1.6
S8
P1.5/RST
S7
VSS
S6
P3.1/XTAL1
S5
P3.0/XTAL2/CLKOUT
S4
P1.4/INT1
S3
P1.3/INT0/SDA
S2
002aab469
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
Table 3:
Pin description
Symbol
Pin
Type Description
P0.0 to P0.7
I/O
Port 0: Port 0 is an 8-bit 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 7.13.1 “Port
configurations” and Table 11 “Static electrical characteristics” for details.
The Keypad Interrupt feature operates with Port 0 pins.
All pins have Schmitt trigger inputs.
Port 0 also provides various special functions as described below:
P0.0/CMP2/
KBI0
8
I/O
P0.0 — Port 0 bit 0.
O
CMP2 — Comparator 2 output.
I
KBI0 — Keyboard input 0.



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