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89LPC933 View Datasheet(PDF) - NXP Semiconductors.

Part NameDescriptionManufacturer
89LPC933 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB/16 kB 3 V byte-erasable flash with 8-bit ADCs NXP
NXP Semiconductors. NXP
89LPC933 Datasheet PDF : 77 Pages
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NXP Semiconductors
P89LPC933/934/935/936
8-bit microcontroller with accelerated two-clock 80C51 core
6.2 Pin description
Table 4. Pin description
Symbol
Pin
Type
TSSOP28, HVQFN28
PLCC28
P0.0 to P0.7
I/O
P0.0/CMP2/ 3
KBI0/AD01
27
I/O
O
I
I
P0.1/CIN2B/ 26
22
I/O
KBI1/AD10
I
I
I
P0.2/CIN2A/ 25
21
I/O
KBI2/AD11
I
I
I
P0.3/CIN1B/ 24
20
I/O
KBI3/AD12
I
I
I
P0.4/CIN1A/ 23
19
I/O
KBI4/DAC1/
I
AD13
I
O
I
P0.5/
22
18
I/O
CMPREF/
I
KBI5
I
P0.6/CMP1/ 20
16
I/O
KBI6
O
I
P0.7/T1/
19
15
I/O
KBI7
I/O
I
Description
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 8.13.1 “Port configurations”
and Table 11 “Static 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 — Port 0 bit 0.
CMP2 — Comparator 2 output.
KBI0 — Keyboard input 0.
AD01 — ADC0 channel 1 analog input. (P89LPC935/936)
P0.1 — Port 0 bit 1.
CIN2B — Comparator 2 positive input B.
KBI1 — Keyboard input 1.
AD10 — ADC1 channel 0 analog input.
P0.2 — Port 0 bit 2.
CIN2A — Comparator 2 positive input A.
KBI2 — Keyboard input 2.
AD11 — ADC1 channel 1 analog input.
P0.3 — Port 0 bit 3.
CIN1B — Comparator 1 positive input B.
KBI3 — Keyboard input 3.
AD12 — ADC1 channel 2 analog input.
P0.4 — Port 0 bit 4.
CIN1A — Comparator 1 positive input A.
KBI4 — Keyboard input 4.
DAC1 — Digital-to-analog converter output 1.
AD13 — ADC1 channel 3 analog input.
P0.5 — Port 0 bit 5.
CMPREF — Comparator reference (negative) input.
KBI5 — Keyboard input 5.
P0.6 — Port 0 bit 6.
CMP1 — Comparator 1 output.
KBI6 — Keyboard input 6.
P0.7 — Port 0 bit 7.
T1 — Timer/counter 1 external count input or overflow output.
KBI7 — Keyboard input 7.
P89LPC933_934_935_936
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 12 January 2011
© NXP B.V. 2011. All rights reserved.
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