P89LPC938FA NXP Semiconductors, P89LPC938FA Datasheet - Page 4

• Manufacturer Part Number: P89LPC938FA
• Description: IC, MCU 8BIT 80C51 8K FLASH, PLCC28
• Manufacturer: NXP Semiconductors

Specifications of P89LPC938FA

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 26
• Program Memory Size: 8KB
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 18MHz
• Oscillator Type: External,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
4. Block diagram
9397 750 14051
Product data sheet
Fig 1. Block diagram.
RESONATOR
P3[1:0]
P2[7:0]
P1[7:0]
P0[7:0]
CRYSTAL
OR
X1
X2
P89LPC938
OSCILLATOR DIVIDER
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
WATCHDOG TIMER
PROGRAMMABLE
AND OSCILLATOR
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
ACCELERATED 2-CLOCK 80C51 CPU
Rev. 01 — 25 February 2005
internal
CPU
clock
OSCILLATOR
bus
ON-CHIP
RC
8-bit microcontroller with 10-bit A/D converter
(POWER-ON RESET,
BROWNOUT RESET)
POWER MONITOR
REAL-TIME CLOCK/
CCU (CAPTURE/
COMPARE UNIT)
SYSTEM TIMER
COMPARATORS
ANALOG
TIMER 0
TIMER 1
I
2
UART
ADC0
C-BUS
SPI
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
002aab106
P89LPC938
MOSI
SS
TXD
RXD
SCL
SDA
SPICLK
MISO
T0
T1
CMP2
CIN2A
CIN1A
OCA
OCC
ICA
AD00
AD02
AD04
AD06
CIN2B
CMP1
CIN1B
OCB
OCD
ICB
AD01
AD03
AD05
AD07
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