P89LPC932A1FA NXP Semiconductors, P89LPC932A1FA Datasheet - Page 4

• Manufacturer Part Number: P89LPC932A1FA
• Description: MCU 8-Bit 89LP 80C51 CISC 8KB Flash 2.5V/3.3V 28-Pin PLCC Tube
• Manufacturer: NXP Semiconductors

Specifications of P89LPC932A1FA

• Package: 28PLCC
• Device Core: 80C51
• Family Name: 89LP
• Maximum Speed: 18 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 26
• Interface Type: I2C/SPI/UART
• Number Of Timers: 2
• Ram Size: 768 Byte
• Program Memory Size: 8 KB
• Program Memory Type: Flash
• Operating Temperature: -40 to 85 °C

NXP Semiconductors
4. Block diagram
P89LPC932A1_3
Product data sheet
Fig 1. Block diagram
RESONATOR
CRYSTAL
OR
P3[1:0]
P2[7:0]
P1[7:0]
P0[7:0]
XTAL1
XTAL2
P89LPC932A1
OSCILLATOR DIVIDER
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
WATCHDOG TIMER
AND OSCILLATOR
PROGRAMMABLE
CONFIGURABLE
AUXILIARY RAM
DATA EEPROM
CODE FLASH
OSCILLATOR
INTERRUPT
DATA RAM
256-BYTE
512-BYTE
512-BYTE
KEYPAD
PORT 3
PORT 2
PORT 1
PORT 0
8 kB
Rev. 03 — 12 March 2007
ACCELERATED 2-CLOCK 80C51 CPU
8-bit microcontroller with accelerated two-clock 80C51 core
internal
CPU
clock
OSCILLATOR
bus
ON-CHIP
RC
(POWER-ON RESET,
BROWNOUT RESET)
REAL-TIME CLOCK/
POWER MONITOR
COMPARE UNIT)
CCU (CAPTURE/
SYSTEM TIMER
COMPARATORS
ANALOG
TIMER 0
TIMER 1
I
2
UART
C-BUS
SPI
P89LPC932A1
002aaa885
© NXP B.V. 2007. All rights reserved.
TXD
RXD
SCL
SDA
SPICLK
MISO
MOSI
SS
T0
T1
CMP2
CIN2A
CIN2B
CMP1
CIN1A
CIN1B
OCA
OCB
OCC
OCD
ICA
ICB
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