参数资料
| 型号： | P87C54X2BN,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 25/62页 |
| 文件大小： | 0K |
| 描述： | IC 80C51 MCU 256 RAM 40DIP |
| 产品培训模块： | Migrating from 8/16-Bit MCUs to 32-Bit ARMs |
| 标准包装： | 9 |
| 系列： | 87C |
| 核心处理器： | 8051 |
| 芯体尺寸： | 8-位 |
| 速度： | 33MHz |
| 连通性： | EBI/EMI，UART/USART |
| 外围设备： | POR |
| 输入/输出数： | 32 |
| 程序存储器容量： | 16KB（16K x 8） |
| 程序存储器类型： | OTP |
| RAM 容量： | 256 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 振荡器型： | 内部 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 40-DIP（0.600"，15.24mm） |
| 包装： | 管件 |
| 其它名称： | 568-7914-5 568-7914-5-ND 568-8363-5 935270211112 P87C54X2BN P87C54X2BN,112-ND P87C54X2BN-ND |
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Philips Semiconductors
Product data
P80C3xX2; P80C5xX2;
P87C5xX2
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
2003 Jan 24
31
SCON Address = 98H
Reset Value = 0000 0000B
SM0/FE
SM1
SM2
REN
TB8
RB8
Tl
Rl
Bit Addressable
(SMOD0 = 0/1)*
Symbol
Position
Function
FE
SCON.7
Framing Error bit. This bit is set by the receiver when an invalid stop bit is detected. The FE bit is not
cleared by valid frames but should be cleared by software. The SMOD0 bit must be set to enable
access to the FE bit.*
SM0
SCON.7
Serial Port Mode Bit 0, (SMOD0 must = 0 to access bit SM0)
SM1
SCON.6
Serial Port Mode Bit 1
SM2
SCON.5
Enables the Automatic Address Recognition feature in Modes 2 or 3. If SM2 = 1 then Rl will not be set
unless the received 9th data bit (RB8) is 1, indicating an address, and the received byte is a Given or
Broadcast Address. In Mode 1, if SM2 = 1 then Rl will not be activated unless a valid stop bit was
received, and the received byte is a Given or Broadcast Address. In Mode 0, SM2 should be 0.
REN
SCON.4
Enables serial reception. Set by software to enable reception. Clear by software to disable reception.
TB8
SCON.3
The 9th data bit that will be transmitted in Modes 2 and 3. Set or clear by software as desired.
RB8
SCON.2
In modes 2 and 3, the 9th data bit that was received. In Mode 1, if SM2 = 0, RB8 is the stop bit that
was received.
In Mode 0, RB8 is not used.
Tl
SCON.1
Transmit interrupt flag. Set by hardware at the end of the 8th bit time in Mode 0, or at the beginning of
the stop bit in the other modes, in any serial transmission. Must be cleared by software.
Rl
SCON.0
Receive interrupt flag. Set by hardware at the end of the 8th bit time in Mode 0, or halfway through the
stop bit time in the other modes, in any serial reception (except see SM2). Must be cleared by
software.
NOTES:
*SMOD0 is located at PCON.6.
**fOSC = oscillator frequency
SU01628
7654
321
0
SM0
SM1
Mode
Description
Baud Rate**
0
shift register
fOSC/12 (12-clk mode) or fOSC/6 (6-clk mode)
0
1
8-bit UART
variable
1
0
2
9-bit UART
fOSC/64 or fOSC/32 or fOSC/16 (6-clock mode) or
fOSC/32 (12-clock mode)
1
3
9-bit UART
variable
Figure 18. SCON: Serial Port Control Register
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| P87C54X2FA | 功能描述:8位微控制器 -MCU 16K/256 OTP 12/6 CLK IND PLCC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P87C54X2FA,512 | 功能描述:8位微控制器 -MCU 16K/256 OTP 12/6 CLK RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P87C54X2FBD | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz |
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| P87C550BBA | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
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