P89LPC9151 NXP [NXP Semiconductors], P89LPC9151 Datasheet - Page 4
P89LPC9151
Manufacturer Part Number
P89LPC9151
Description
8-bit microcontroller with accelerated two-clock 80C51 core, 2 kB 3 V byte-erasable flash with 8-bit ADC
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.P89LPC9151.pdf
(91 pages)
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NXP Semiconductors
4. Block diagram
P89LPC9151_61_71_2
Product data sheet
Fig 1.
external clock
Block diagram (P89LPC9151)
P1[5:0]
P0[5:0]
input
P89LPC9151
OSCILLATOR DIVIDER
KEYPAD INTERRUPT
256 BYTE DATA RAM
CONFIGURABLE I/O
CONFIGURABLE I/O
WATCHDOG TIMER
2 kB CODE FLASH
AND OSCILLATOR
PROGRAMMABLE
OSCILLATOR
ON-CHIP RC
PORT 1
PORT 0
ACCELERATED 2-CLOCK 80C51 CPU
Rev. 02 — 9 February 2010
ON-CHIP RC OSCILLATOR
internal bus
WITH CLOCK DOUBLER
HIGH PERFORMANCE
CPU clock
P89LPC9151/9161/9171
BROWNOUT RESET)
(POWER-ON RESET,
REAL TIME CLOCK/
POWER MONITOR
8-bit microcontroller with 8-bit ADC
COMPARATORS
SYSTEM TIMER
ADC1/DAC1
ANALOG
TIMER 0
TIMER 1
UART
I
2
C
002aae564
© NXP B.V. 2010. All rights reserved.
TXD
RXD
SCL
SDA
AD10
AD11
AD12
AD13
DAC1
T0
CMP2
CIN2B
CIN2A
CIN1A
CIN1B
CMPREF
4 of 91
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