參數(shù)資料
型號: P89LPC938FA
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable Flash with 10-bit A/D converter
中文描述: 8-BIT, FLASH, 18 MHz, MICROCONTROLLER, PQCC28
封裝: PLASTIC, MS-018, SOT-261-2, LCC-28
文件頁數(shù): 4/68頁
文件大小: 318K
代理商: P89LPC938FA
9397 750 14051
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 25 February 2005
4 of 68
Philips Semiconductors
P89LPC938
8-bit microcontroller with 10-bit A/D converter
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
internal
bus
CRYSTAL
OR
RESONATOR
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aab106
UART
ANALOG
COMPARATORS
512-BYTE
AUXILIARY RAM
I
2
C-BUS
512-BYTE
DATA EEPROM
PORT 3
CONFIGURABLE I/Os
CCU (CAPTURE/
COMPARE UNIT)
P89LPC938
WATCHDOG TIMER
AND OSCILLATOR
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
SPI
ADC0
P3[1:0]
P2[7:0]
P1[7:0]
P0[7:0]
X2
X1
TXD
RXD
SCL
SDA
T0
T1
CMP2
CIN2B
CIN2A
CMP1
CIN1A
CIN1B
OCA
OCB
OCC
OCD
ICA
AD00
AD01
AD02
AD03
AD04
AD05
AD06
AD07
ICB
SPICLK
MOSI
MISO
SS
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