p89lpc930fdh NXP Semiconductors, p89lpc930fdh Datasheet - Page 4

• Manufacturer Part Number: p89lpc930fdh
• Description: 8-bit Microcontrollers With Two-clock 80c51 Core 4 Kb/8 Kb 3 V Flash With 256-byte Data Ram
• Manufacturer: NXP Semiconductors

Philips Semiconductors
4. Block diagram
9397 750 14472
Product data
Fig 1. Block diagram.
RESONATOR
CRYSTAL
OR
OSCILLATOR DIVIDER
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
PROGRAMMABLE
CONFIGURABLE
CODE FLASH
OSCILLATOR
INTERRUPT
DATA RAM
256-BYTE
4 kB/8 kB
KEYPAD
PORT 3
PORT 2
PORT 1
PORT 0
Rev. 05 — 15 December 2004
ACCELERATED 2-CLOCK 80C51 CPU
INTERNAL BUS
CPU
CLOCK
OSCILLATOR
ON-CHIP
HIGH PERFORMANCE
RC
8-bit microcontrollers with two-clock 80C51 core
(POWER-ON RESET,
BROWNOUT RESET)
POWER MONITOR
REAL-TIME CLOCK/
WATCHDOG TIMER
AND OSCILLATOR
COMPARATORS
SYSTEM TIMER
P89LPC930/931
ANALOG
TIMER 0
TIMER 1
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
UART
I
SPI
2
C
002aaa428
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