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Número de pieza P89LPC935FDH
Descripción 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB 3 V byte-erasable Flash with 8-bit A/D converters
Fabricantes NXP Semiconductors 
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P89LPC933/934/935
8-bit microcontroller with accelerated two-clock 80C51 core
4 kB/8 kB 3 V byte-erasable Flash with 8-bit A/D converters
Rev. 04 — 09 February 2004
Objective data
1. General description
The P89LPC933/934/935 is a single-chip microcontroller, available in low cost
packages, based on a high performance processor architecture that executes
instructions in two to four clocks, six times the rate of standard 80C51 devices. Many
system-level functions have been incorporated into the P89LPC933/934/935 in order
to reduce component count, board space, and system cost.
2. Features
2.1 Principal features
s 4 kB/8 kB byte-erasable Flash code memory organized into 1 kB sectors and
64-byte pages. Single-byte erasing allows any byte(s) to be used as non-volatile
data storage.
s 256-byte RAM data memory. (P89LPC935 also includes a 512-byte auxiliary
on-chip RAM).
s 512-byte customer Data EEPROM on chip allows serialization of devices, storage
of set-up parameters, etc. (P89LPC935)
s Dual 4-input multiplexed 8-bit A/D converters (P89LPC935, single A/D on
P89LPC934/933). Two analog comparators with selectable inputs and reference
source.
s Two 16-bit counter/timers (each may be configured to toggle a port output upon
timer overflow or to become a PWM output) and a 23-bit system timer that can
also be used as a Real-Time clock.
s Enhanced UART with fractional baudrate generator, break detect, framing error
detection, and automatic address detection; 400 kHz byte-wide I2C-bus
communication port and SPI communication port.
s Capture/Compare Unit (CCU) provides PWM, input capture, and output compare
functions (P89LPC935).
s High-accuracy internal RC oscillator option allows operation without external
oscillator components.The RC oscillator option is selectable and fine tunable.
s 2.4 V to 3.6 V VDD operating range. I/O pins are 5 V tolerant (may be pulled up or
driven to 5.5 V).
s 28-pin TSSOP, PLCC, and HVQFN packages with 23 I/O pins minimum and up to
26 I/O pins while using on-chip oscillator and reset options.

1 page




P89LPC935FDH pdf
Philips Semiconductors
5. Pinning information
5.1 Pinning
P89LPC933/934/935
8-bit microcontroller with accelerated two-clock 80C51 core
DAC0/P2.0 1
P2.1 2
KBI0/CMP2/P0.0 3
P1.7 4
P1.6 5
RST/P1.5 6
VSS 7
XTAL1/P3.1 8
CLKOUT/XTAL2/P3.0 9
INT1/P1.4 10
SDA/INT0/P1.3 11
SCL/T0/P1.2 12
MOSI/P2.2 13
MISO/P2.3 14
28 P2.7
27 P2.6
26 P0.1/CIN2B/KBI1/AD10
25 P0.2/CIN2A/KBI2/AD11
24 P0.3/CIN1B/KBI3/AD12
23 P0.4/CIN1A/KBI4/AD13/DAC1
22 P0.5/CMPREF/KBI5
21 VDD
20 P0.6/CMP1/KBI6
19 P0.7/T1/KBI7
18 P1.0/TXD
17 P1.1/RXD
16 P2.5/SPICLK
15 P2.4/SS
002aaa565
Fig 2. P89LPC933/934 TSSOP28 pin configuration.
9397 750 12853
Objective data
handbook, halfpage
AD03/DAC0/ICB/P2.0 1
AD02/OCD/P2.1 2
AD01/KBI0/CMP2/P0.0 3
AD00/OCC/P1.7 4
OCB/P1.6 5
RST/P1.5 6
VSS 7
XTAL1/P3.1 8
CLKOUT/XTAL2/P3.0 9
INT1/P1.4 10
SDA/INT0/P1.3 11
SCL/T0/P1.2 12
MOSI/P2.2 13
MISO/P2.3 14
28 P2.7/ICA
27 P2.6/OCA
26 P0.1/CIN2B/KBI1/AD10
25 P0.2/CIN2A/KBI2/AD11
24 P0.3/CIN1B/KBI3/AD12
23 P0.4/CIN1A/KBI4/AD13/DAC1
22 P0.5/CMPREF/KBI5
21 VDD
20 P0.6/CMP1/KBI6
19 P0.7/T1/KBI7
18 P1.0/TXD
17 P1.1/RXD
16 P2.5/SPICLK
15 P2.4/SS
002aaa759
Fig 3. P89LPC935 TSSOP28 pin configuration.
Rev. 04 — 09 February 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
5 of 71

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P89LPC935FDH arduino
Philips Semiconductors
P89LPC933/934/935
8-bit microcontroller with accelerated two-clock 80C51 core
Table 3: Pin description…continued
Symbol
Pin
Type
TSSOP28, HVQFN28
PLCC28
P2.0 - P2.7
1, 2, 13, 25, 26, 9, I/O
14, 15, 16, 10, 11, 12,
27, 28
23, 24
1 25 I/O
I
I
O
2 26 I/O
O
I
13 9
I/O
I/O
14 10 I/O
I/O
15 11 I/O
I
16 12 I/O
I/O
27 23 I/O
O
28 24 I/O
I
Description
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 8.13.1 “Port configurations”
and Table 10 “DC electrical characteristics” for details.
All pins have Schmitt triggered inputs.
Port 2 also provides various special functions as described below:
P2.0 — Port 2 bit 0.
ICB — Input Capture B. (P89LPC935)
AD03 — ADC0 channel 3 analog input. (P89LPC935)
DAC0 — Digital-to-analog converter output 0.
P2.1 — Port 2 bit 1.
OCD — Output Compare D. (P89LPC935)
AD02 — ADC0 channel 2 analog input. (P89LPC935)
P2.2 — Port 2 bit 2.
MOSI — SPI master out slave in. When configured as master, this pin is
output; when configured as slave, this pin is input.
P2.3 — Port 2 bit 3.
MISO — When configured as master, this pin is input, when configured as
slave, this pin is output.
P2.4 — Port 2 bit 4.
SS — SPI Slave select.
P2.5 — Port 2 bit 5.
SPICLK — SPI clock. When configured as master, this pin is output; when
configured as slave, this pin is input.
P2.6 — Port 2 bit 6.
OCA — Output Compare A. (P89LPC935)
P2.7 — Port 2 bit 7.
ICA — Input Capture A. (P89LPC935)
9397 750 12853
Objective data
Rev. 04 — 09 February 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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