p89lpc9171fdh NXP Semiconductors, p89lpc9171fdh Datasheet - Page 5

• Manufacturer Part Number: p89lpc9171fdh
• Description: 8-bit Microcontroller With Accelerated Two-clock 80c51 Core, 2 Kb 3 V Byte-erasable Flash With 8-bit Adc
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89LPC9151_61_71_2
Product data sheet
Fig 2.
external clock
P1.5, P1[3:0]
Block diagram (P89LPC9161)
P2[5:2]
P0[5:1]
input
P89LPC9161
OSCILLATOR DIVIDER
KEYPAD INTERRUPT
256 BYTE DATA RAM
CONFIGURABLE I/O
CONFIGURABLE I/O
CONFIGURABLE I/O
WATCHDOG TIMER
2 kB CODE FLASH
AND OSCILLATOR
PROGRAMMABLE
OSCILLATOR
ON-CHIP RC
PORT 2
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
SPI
I
2
C
002aae565
© NXP B.V. 2010. All rights reserved.
TXD
RXD
SCL
SDA
AD10
AD11
AD12
AD13
DAC1
SPICLK
MOSI
MISO
T0
CIN2B
CIN2A
CIN1A
CIN1B
CMPREF
SS
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