P89LPC92X1 NXP Semiconductors, P89LPC92X1 Datasheet - Page 4

• Manufacturer Part Number: P89LPC92X1
• Description: The P89LPC9201/9211/922A1/9241/9251 is a single-chip microcontroller, available in lowcost packages, based on a high performance processor architecture that executesinstructions in two to four clocks, six times the rate of standard 80C51 devices
• Manufacturer: NXP Semiconductors

NXP Semiconductors
4. Block diagram
P89LPC92X1
Product data sheet
Fig 1.
RESONATOR
Block diagram (P89LPC9201/9211/922A1)
CRYSTAL
OR
P3[1:0]
P1[7:0]
P0[7:0]
XTAL1
XTAL2
P89LPC9201/9211/922A1
OSCILLATOR DIVIDER
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
PROGRAMMABLE
CONFIGURABLE
2 kB/4 kB/8 kB
CODE FLASH
OSCILLATOR
INTERRUPT
DATA RAM
256-BYTE
KEYPAD
PORT 3
PORT 1
PORT 0
All information provided in this document is subject to legal disclaimers.
ACCELERATED 2-CLOCK 80C51 CPU
Rev. 2 — 1 December 2010
P89LPC9201/9211/922A1/9241/
internal
CPU
clock
HIGH PERFORMANCE
OSCILLATOR WITH
bus
CLOCK DOUBLER
ON-CHIP RC
(POWER-ON RESET,
BROWNOUT RESET)
REAL-TIME CLOCK/
WATCHDOG TIMER
POWER MONITOR
AND OSCILLATOR
SYSTEM TIMER
COMPARATORS
8-bit microcontroller with 8-bit ADC
ANALOG
I
TIMER 0
TIMER 1
2
UART
C-BUS
002aae421
TXD
RXD
SCL
SDA
T0
T1
CMP2
CIN2A
CIN1A
© NXP B.V. 2010. All rights reserved.
CIN2B
CMP1
CIN1B
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