參數(shù)資料
型號： P89LPC930
廠商： NXP Semiconductors N.V.
英文描述： 8-bit microcontrollers with two-clock 80C51 core 4 kB/8 kB 3 V Flash with 256-byte data RAM
中文描述： 8位微控制器兩個(gè)小時(shí)80C51的核心4 KB的/ 8 KB的256 3伏閃存內(nèi)存字節(jié)的數(shù)據(jù)
文件頁數(shù)： 21/55頁
文件大?。?/td> 267K
代理商： P89LPC930
Philips Semiconductors
P89LPC930/931
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 05 — 15 December 2004
21 of 55
9397 750 14472
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
8.11 I/O ports
The P89LPC930/931 has four I/O ports: Port 0, Port 1, Port 2, and Port 3. Ports 0, 1
and 2 are 8-bit ports, and Port 3 is a 2-bit port. The exact number of I/O pins available
depend upon the clock and reset options chosen, as shown in
Table 5
.
[1]
Required for operation above 12 MHz.
Fig 5.
Interrupt sources, interrupt enables, and power-down wake-up sources.
002aaa432
IE0
EX0
IE1
EX1
BOF
EBO
KBIF
EKBI
INTERRUPT
TO CPU
WAKE-UP
(IF IN POWER-DOWN)
EWDRT
CMF2
CMF1
EC
EA (IE0.7)
TF0
ET0
TF1
ET1
TI & RI/RI
ES/ESR
TI
EST
SI
EI2C
SPIF
ESPI
RTCF
ERTC
(RTCCON.1)
WDOVF
Table 5:
Clock source
Number of I/O pins available
Reset option
Number of I/O pins
(20-pin package)
26
25
25
24
24
23
On-chip oscillator or
Watchdog oscillator
No external reset (except during power-up)
External RST pin supported
[1]
No external reset (except during power-up)
External RST pin supported
[1]
No external reset (except during power-up)
External RST pin supported
[1]
External clock input
Low/medium/high
speed oscillator
(external crystal or
resonator)
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P89LPC9301FDH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB 3 V byte-erasable flash
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P89LPC930FDH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 4 kB/8 kB 3 V Flash with 256-byte data RAM
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