參數(shù)資料
型號: P89V660FA,512
廠商: NXP Semiconductors
文件頁數(shù): 64/90頁
文件大小: 0K
描述: IC 80C51 MCU FLASH 16K 44-PLCC
產(chǎn)品培訓(xùn)模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標(biāo)準(zhǔn)包裝: 1,300
系列: 89V
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 36
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
產(chǎn)品目錄頁面: 706 (CN2011-ZH PDF)
配用: 622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
其它名稱: 568-2432-5
935280828512
P89V660FA
P89V660_662_664
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 3.1 — 17 October 2011
67 of 90
NXP Semiconductors
P89V660/662/664
80C51 with 512 B/1 kB/2 kB RAM, dual I2C-bus, SPI
Table 55.
IEN0 - Interrupt enable register 0 (address A8H) bit allocation
Bit addressable; Reset value: 00H
Bit
7
6
5
4
3
2
1
0
Symbol
EA
EC
ES1
ES0
ET1
EX1
ET0
EX0
Table 56.
IEN0 - Interrupt enable register 0 (address A8H) bit description
Bit
Symbol
Description
7
EA
Interrupt Enable Bit: EA = 1 interrupt(s) can be serviced, EA = 0
interrupt servicing disabled.
6
EC
PCA Interrupt Enable bit.
5ES1
I2C-bus Interrupt Enable (primary).
4
ES0
Serial Port Interrupt Enable
3
ET1
Timer 1 Overflow Interrupt Enable.
2
EX1
External Interrupt 1 Enable.
1
ET0
Timer 0 Overflow Interrupt Enable.
0
EX0
External Interrupt 0 Enable.
Table 57.
IEN1 - Interrupt enable register 1 (address E8H) bit allocation
Bit addressable; Reset value: 00H
Bit
7
6
5
4
3
2
1
0
Symbol
-
ES3
ES2
ET2
Table 58.
IEN1 - Interrupt enable register 1 (address E8H) bit description
Bit
Symbol
Description
7 to 3
-
Reserved for future use. Should be set to ‘0’ by user programs.
2
ES3
SPI Interrupt Enable.
1ES2
I2C-bus Interrupt Enable (secondary).
0
ET2
Timer 2 Interrupt Enable.
Table 59.
IP0 - Interrupt priority 0 low register (address B8H) bit allocation
Bit addressable; Reset value: 00H
Bit
7
6
5
4
3
2
1
0
Symbol
PT2
PPC
PS1
PS0
PT1
PX1
PT0
PX0
Table 60.
IP0 - Interrupt priority 0 low register (address B8H) bit description
Bit
Symbol
Description
7
PT2
Timer 2 Interrupt Priority Low Bit.
6
PPC
PCA Interrupt Priority Low Bit.
5PS1
I2C-bus Interrupt Priority Low Bit.
4
PS0
Serial Port Interrupt Priority Low Bit.
3
PT1
Timer 1 Interrupt Priority Low Bit.
2
PX1
External Interrupt 1 Priority Low Bit.
1
PT0
Timer 0 Interrupt Priority Low Bit.
0
PX0
External Interrupt 0 Priority Low Bit.
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