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P89LPC9321FDH,518 数据手册 - NXP（恩智浦）
制造商:
NXP（恩智浦）
分类:
微控制器
封装:
TSSOP-28
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P89LPC9321FDH,518数据手册
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P89LPC9321 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 2 — 16 November 2010 4 of 71
NXP Semiconductors
P89LPC9321
8-bit microcontroller with accelerated two-clock 80C51 core
4. Block diagram
Fig 1. 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
WITH CLOCK
DOUBLER
internal bus
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aae102
UART
ANALOG
COMPARATORS
(PGA1)
512-BYTE
AUXILIARY RAM
I
2
C-BUS
512-BYTE
DATA EEPROM
PORT 3
CONFIGURABLE I/Os
CCU (CAPTURE/
COMPARE UNIT)
P89LPC9321
WATCHDOG TIMER
AND OSCILLATOR
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
SPI
P3[1:0]
P2[7:0]
P1[7:0]
P0[7:0]
TXD
RXD
SCL
SDA
T0
T1
CMP2
CIN2B
CIN2A
CMP1
CIN1A
CIN1B
OCA
OCB
OCC
OCD
ICA
ICB
SPICLK
MOSI
MISO
SS
CRYSTAL
OR
RESONATOR
XTAL2
XTAL1
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