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P89LPC935FDH Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer P89LPC935FDH
Beschreibung 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB 3 V byte-erasable Flash with 8-bit A/D converters
Hersteller NXP Semiconductors
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Gesamt 30 Seiten
P89LPC935FDH Datasheet, Funktion
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.






P89LPC935FDH Datasheet, Funktion
Philips Semiconductors
P89LPC933/934/935
8-bit microcontroller with accelerated two-clock 80C51 core
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
P89LPC933FA
P89LPC934FA
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
002aaa566
Fig 4. P89LPC933/934 PLCC28 pin configuration.
9397 750 12853
Objective data
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
P89LPC935FA
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
002aaa760
Fig 5. P89LPC935 PLCC28 pin configuration.
Rev. 04 — 09 February 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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P89LPC935FDH pdf, datenblatt
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
P3.0 - P3.1 9, 8 5, 4 I/O
9 5 I/O
O
O
8 4 I/O
I
VSS 7 3 I
VDD 21 17 I
Description
Port 3: Port 3 is a 2-bit I/O port with a user-configurable output type.
During reset Port 3 latches are configured in the input only mode with the
internal pull-up disabled. The operation of Port 3 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 3 also provides various special functions as described below:
P3.0 — Port 3 bit 0.
XTAL2 — Output from the oscillator amplifier (when a crystal oscillator
option is selected via the FLASH configuration.
CLKOUT — CPU clock divided by 2 when enabled via SFR bit (ENCLK -
TRIM.6). It can be used if the CPU clock is the internal RC oscillator,
watchdog oscillator or external clock input, except when XTAL1/XTAL2 are
used to generate clock source for the Real-Time clock/system timer.
P3.1 — Port 3 bit 1.
XTAL1 — Input to the oscillator circuit and internal clock generator circuits
(when selected via the FLASH configuration). It can be a port pin if
internal RC oscillator or watchdog oscillator is used as the CPU clock
source, and if XTAL1/XTAL2 are not used to generate the clock for the
Real-Time clock/system timer.
Ground: 0 V reference.
Power Supply: This is the power supply voltage for normal operation as
well as Idle and Power-Down modes.
[1] Input/Output for P1.0-P1.4, P1.6, P1.7. Input for P1.5.
9397 750 12853
Objective data
Rev. 04 — 09 February 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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