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PDF P89LPC932A1 Data sheet ( Hoja de datos )
| Número de pieza | P89LPC932A1 | |
| Descripción | 8-Bit Microcontroller | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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P89LPC932A1
www.DataSheet4U.com
8-bit microcontroller with accelerated two-clock 80C51 core
8 kB 3 V byte-erasable flash with 512-byte data EEPROM
Rev. 02 — 10 May 2005
Product data sheet
1. General description
The P89LPC932A1 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 P89LPC932A1 in order to reduce component count, board
space, and system cost.
2. Features
2.1 Principal features
s 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, 512-byte auxiliary on-chip RAM.
s 512-byte customer data EEPROM on chip allows serialization of devices, storage of
set-up parameters, etc.
s 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 RTC.
s Enhanced UART with fractional baud rate generator, break detect, framing error
detection, and automatic address detection; 400 kHz byte-wide I2C-bus
communication port and SPI communication port.
s CCU provides PWM, input capture, and output compare functions.
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.
2.2 Additional features
s A high performance 80C51 CPU provides instruction cycle times of 111 ns to 222 ns
for all instructions except multiply and divide when executing at 18 MHz. This is six
times the performance of the standard 80C51 running at the same clock frequency. A
lower clock frequency for the same performance results in power savings and reduced
EMI.
1 page  
Philips Semiconductors
5. Functional diagram
P89LPC932A1www.DataSheet4U.com
8-bit microcontroller with accelerated two-clock 80C51 core
VDD VSS
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
CLKOUT
CMP2
CIN2B
CIN2A
CIN1B
CIN1A
CMPREF
CMP1
T1
XTAL2
XTAL1
PORT 0
PORT 3
P89LPC932A1
Fig 2. Functional diagram of P89LPC932A1.
002aaa890
PORT 1
PORT 2
TXD
RXD
T0
INT0
INT1
RST
OCB
OCC
ICB
OCD
MOSI
MISO
SS
SPICLK
OCA
ICA
SCL
SDA
9397 750 14871
Product data sheet
Rev. 02 — 10 May 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
5 of 64
5 Page 
Philips Semiconductors
P89LPC932A1www.DataSheet4U.com
8-bit microcontroller with accelerated two-clock 80C51 core
Table 3: Pin description …continued
Symbol
Pin
Type Description
TSSOP28, HVQFN28
PLCC28
P3.1/XTAL1 8 4 I/O P3.1 — Port 3 bit 1.
I 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 RTC/system
timer.
VSS 7 3 I Ground: 0 V reference.
VDD 21 17 I 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 to P1.4, P1.6, P1.7. Input for P1.5.
9397 750 14871
Product data sheet
Rev. 02 — 10 May 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
11 of 64
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