參數(shù)資料
型號： P89V51RC2FA,512
廠商： NXP Semiconductors
文件頁數(shù)： 76/80頁
文件大?。?/td> 0K
描述： IC 80C51 MCU FLASH 32K 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： 26
系列： 89V
核心處理器： 8051
芯體尺寸： 8-位
速度： 40MHz
連通性： SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 32
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： 閃存
RAM 容量： 1K 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： 622-1017-ND - BOARD 44-ZIF PLCC SOCKET
622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
其它名稱： 568-2428-5
935277727512
P89V51RC2FA
PIC18F87K22 FAMILY
DS39960D-page 78
2009-2011 Microchip Technology Inc.
5.7
Reset State of Registers
Most registers are unaffected by a Reset. Their status
is unknown on POR and unchanged by all other
Resets. The other registers are forced to a “Reset
state” depending on the type of Reset that occurred.
Most registers are not affected by a WDT wake-up,
since this is viewed as the resumption of normal
operation. Status bits from the RCON register (CM, RI,
TO, PD, POR and BOR) are set or cleared differently in
different Reset situations, as indicated in Table 5-1.
These bits are used in software to determine the nature
of the Reset.
Table 5-2 describes the Reset states for all of the
Special Function Registers. These are categorized by
Power-on and Brown-out Resets, Master Clear and
WDT Resets, and WDT wake-ups.
TABLE 5-1:
STATUS BITS, THEIR SIGNIFICANCE AND THE INITIALIZATION CONDITION FOR
RCON REGISTER
Condition
Program
Counter(1)
RCON Register
STKPTR Register
CM
RI
TO
PD
POR
BOR
STKFUL
STKUNF
Power-on Reset
0000h
11
0
RESET
instruction
0000h
u0
uu
u
Brown-out Reset
0000h
11
u
0
u
Configuration Mismatch Reset
0000h
0u
uu
u
MCLR Reset during
power-managed Run modes
0000h
uu
1u
u
MCLR Reset during power-
managed Idle modes and
Sleep mode
0000h
uu
10
u
MCLR Reset during full-power
execution
0000h
uu
u
Stack Full Reset (STVREN = 1)
0000h
uu
u
1
u
Stack Underflow Reset
(STVREN = 1)
0000h
uu
u
1
Stack Underflow Error (not an
actual Reset, STVREN = 0)
0000h
uu
u
1
WDT time-out during full-power
or power-managed Run modes
0000h
uu
0u
u
WDT time-out during
power-managed Idle or Sleep
modes
PC + 2
uu
00
u
Interrupt exit from
power-managed modes
PC + 2
uu
u0
u
Legend: u
= unchanged
Note 1:
When the wake-up is due to an interrupt and the GIEH or GIEL bit is set, the PC is loaded with the interrupt
vector (0008h or 0018h).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P89V51RC2FBC 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM
P89V51RC2FBC,557 功能描述:8位微控制器 -MCU 80C51 32K FL / 512 R RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
P89V51RC2FN 制造商:NXP Semiconductors 功能描述:IC MCU 8BIT 80C51 32K FLASH DIP40
P89V51RC2FN,112 功能描述:8位微控制器 -MCU 80C51 32K FL / 512 R RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
P89V51RC2FN112 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 40MHZ DIP-40
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