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參數(shù)資料
| 型號： | P87C51RC2 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 80C51 8-bit microcontroller family |
| 中文描述： | 80C51的8位單片機系列 |
| 文件頁數(shù)： | 14/34頁 |
| 文件大?。?/td> | 394K |
| 代理商： | P87C51RC2 |
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2001 Apr 06
14
Philips Semiconductors
Preliminary specification
P87C51MB2/P87C51MC2
80C51 8-bit microcontroller family with extended memory
64KB/96KB OTP with 2KB/3KB RAM
DATA RAM
The P87C51MB2 and P87C51MC2 have 2 Kbytes and 3 K bytes of on-chip RAM respectively. Usages of the different data
segments are described in the 51MX Architecture Reference.
PORT 4
The P87C51Mx2 has a fifth I/O port (Port 4) that is shared with the second UART pins (RXD1 and TXD1) and two of the SPI pins
(MISO and SS). This port is also bit addressable and can be accessed in the same manner as any other ports, except that the
associated SFR is in the extended SFR space. Accesses to this SFR space is the same as those to the conventional SFR space
except that the instructions must be preceeded by an escape code (A5h), as described in the 51MX Architecture Reference.
LOW POWER MODES
The P87C51Mx2 supports the standard 51MX low power modes - Stop Clock Mode, Idle Mode and Power-Down Mode.
The PCON register is the same as the standard 51MX PCON register. Note that bits PCON.7 and PCON.6 are for UART
configurations (see section "UARTs").
ONCE
MODE
The ONCE (“On-Circuit Emulation”) Mode facilitates testing and debugging of systems without the device having to be removed
from the circuit. It is supported in the P87C51Mx2.
PERIPHERALS
The P87C51Mx2 peripherals are described in more detail in the User Manual. The on-chip peripherals include:
Timers:
- Timers 0 and 1.
- Timer 2.
Note:
When Timer 1 or Timer 2 can only be used as a baud rate generator for UART 0, but not for UART 1.
Two enhanced UARTs with an independent Baud Rate Generator - The section "UARTs" provides information regarding the
two UARTs.
Note:
UART 1 shares the RXD1 and TXD1 with the SPI pins. The SPEN (SPCTL.6) bit must be cleared ’0’ (reset value) to
enable UART 1 operation.
Serial Peripheral Interface (SPI).
Note:
The SPI shares pins with the UART 1 shares the RXD1 and TXD1 with the SPI pins.
The SPEN (SPCTL.6) bit must be set to ’1’ to enable SPI operation.
Watchdog Timer.
Programmable Counter Array (PCA).
Data Memory
Size (in Bytes)
Type
Description
P87C51MB2
P87C51MC2
DATA
memory that can be addressed directly and indirectly
128
128
IDATA
memory that can be addressed indirectly (where direct address is for SFR
only)
128
128
EDATA
memory that can only be addressed indirectly
1024
1024
XDATA
memory (on-chip "External Data") that is accessed using the MOVX
instructions
768
1792
Total
2048
3072
Table 2: On-Chip Data Memory Usage.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| P87C51FB-IA | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz |
| P87C51FB-IB | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz |
| P87C51FB-IN | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz |
| P87C51FC-IA | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz |
| P87C51FC-IB | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P87C51RC24 | 功能描述:IC MCU 8BIT 32K 24MHZ OTP 40-DIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:87C 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
| P87C51RC-24 | 制造商:Intel 功能描述:MCU 8-bit MCS51 80C51 CISC 32KB EPROM 5V 40-Pin PDIP |
| P87C51RC2BA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family |
| P87C51RC2BA,512 | 功能描述:8位微控制器 -MCU 32K/512 OTP 12 CLK COMM PLCC 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 |
| P87C51RC2BBD | 制造商:NXP Semiconductors 功能描述:MCU 8-Bit 87C 80C51 CISC 32KB EPROM 3.3V/5V 44-Pin LQFP |
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