參數(shù)資料
型號(hào)： 8XC52
廠商： NXP Semiconductors N.V.
英文描述： 80C51 8-Bit Microcontroller Family (8K ROM,Low Voltage (2.7V-5.5V), Low Power, High Speed (33 MHz) )(80C51 8位微控制器系列產(chǎn)品)
中文描述： 80C51的8位微控制器系列（8K的光盤，低電壓（2.7至5.5V），低功耗，高速（33兆赫））（80C51的8位微控制器系列產(chǎn)品）
文件頁(yè)數(shù)： 6/56頁(yè)
文件大小： 337K
代理商： 8XC52
Philips Semiconductors
Product specification
8XC52/54/58/80C32
8XC51FA/FB/FC/80C51FA
8XC51RA+/RB+/RC+/RD+/80C51RA+
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
1999 Apr 01
6
PIN DESCRIPTIONS
(Continued)
PIN NUMBER
MNEMONIC
DIP
LCC
QFP
TYPE
NAME AND FUNCTION
PSEN
29
32
26
O
Program Store Enable:
The read strobe to external program memory. When executing
code from the external program memory, PSEN is activated twice each machine cycle,
except that two PSEN activations are skipped during each access to external data memory.
PSEN is not activated during fetches from internal program memory.
EA/V
PP
31
35
29
I
External Access Enable/Programming Supply Voltage:
EA must be externally held low
to enable the device to fetch code from external program memory locations starting with
0000H. If EA is held high, the device executes from internal program memory unless the
program counter contains an address greater than 8k Devices (IFFFH), 16k Devices
(3FFFH) or 32k Devices (7FFFH). Since the RD+ has 64k Internal Memory, the RD+ will
execute only from internal memory when EA is held high. This pin also receives the 12.75V
programming supply voltage (V
PP
) during EPROM programming. If security bit 1 is
programmed, EA will be internally latched on Reset.
XTAL1
19
21
15
I
Crystal 1:
Input to the inverting oscillator amplifier and input to the internal clock generator
circuits.
XTAL2
18
20
14
O
Crystal 2:
Output from the inverting oscillator amplifier.
NOTE:
To avoid “l(fā)atch-up” effect at power-on, the voltage on any pin at any time must not be higher than V
CC
+ 0.5V or V
SS
– 0.5V, respectively.
相關(guān)PDF資料
PDF描述
8XC54 80C51 8-bit microcontroller family 8K-64K/256-1K OTP/ROM/ROMless, low voltage 2.7V-5.5V), low power, high speed (33 MHz)
8XC58 80C51 8-bit microcontroller family 8XC51FA/FB/FC/80C51FA8XC51RA+/RB+/RC+/RD+/80C51RA +8K 4K/256K OTP/ROM/ROMless,low voltage, low power, high speed (33 MHz)(80C51 8位微控制器系列產(chǎn)品)
8XC562 80C51 FAMILY DERIVATIVES
8XC552 80C51 FAMILY DERIVATIVES
8XL51FB LOW VOLTAGE CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
8XC54 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
8XC54/58 制造商:未知廠家 制造商全稱:未知廠家 功能描述:(360.35 k)
8XC552 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 FAMILY DERIVATIVES
8XC562 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 FAMILY DERIVATIVES
8XC58 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
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