Filter
Top Products
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
User manual Rev. 02 — 23 May 2005 12 of 133
Philips Semiconductors
UM10109
P89LPC932A1 User manual
Fig 4. P89LPC932A1 block diagram.
ACCELERATED 2-CLOCK 80C51 CPU
8 kB
CODE FLASH
256-BYTE
DATA RAM
PORT 2
CONFIGURABLE I/Os
PORT 1
CONFIGURABLE I/Os
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
clock
CONFIGURABLE
OSCILLATOR
ON-CHIP
RC
OSCILLATOR
internal
bus
CRYSTAL
OR
RESONATOR
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aaa885
UART
ANALOG
COMPARATORS
512-BYTE
AUXILIARY RAM
I
2
C-BUS
512-BYTE
DATA EEPROM
PORT 3
CONFIGURABLE I/Os
CCU (CAPTURE/
COMPARE UNIT)
P89LPC932A1
WATCHDOG TIMER
AND OSCILLATOR
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
SPI