参数资料
型号: P89V51RB2BBC,557
厂商: NXP Semiconductors
文件页数: 80/80页
文件大小: 0K
描述: IC 80C51 MCU 1024 RAM 44TQFP
产品培训模块: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
标准包装: 800
系列: 89V
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 44-TQFP
包装: 托盘
配用: 622-1017-ND - BOARD 44-ZIF PLCC SOCKET
其它名称: 935277723557
P89V51RB2BBC
P89V51RB2BBC-ND
P89V51RB2_RC2_RD2_5
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 12 November 2009
9 of 80
NXP Semiconductors
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
[1]
ALE loading issue: When ALE pin experiences higher loading (>30 pF) during the reset, the microcontroller may accidentally enter into
modes other than normal working mode. The solution is to add a pull-up resistor of 3 k
to 50 k to V
DD, e.g., for ALE pin.
[2]
For 6-clock mode, ALE is emitted at 1
3 of crystal frequency.
RST
9
4
10
I
Reset: While the oscillator is running, a HIGH logic state
on this pin for two machine cycles will reset the device. If
the PSEN pin is driven by a HIGH-to-LOW input transition
while the RST input pin is held HIGH, the device will enter
the external host mode, otherwise the device will enter the
normal operation mode.
EA
31
29
35
I
External Access Enable: EA must be connected to VSS in
order to enable the device to fetch code from the external
program memory. EA must be strapped to VDD for internal
program execution. The EA pin can tolerate a high voltage
of 12 V.
ALE/PROG
30
27
33
I/O
Address Latch Enable: ALE is the output signal for
latching the low byte of the address during an access to
external memory. This pin is also the programming pulse
input (PROG) for ash programming. Normally the ALE[1]
is emitted at a constant rate of 1
6 the crystal frequency[2]
and can be used for external timing and clocking. One ALE
pulse is skipped during each access to external data
memory. However, if AO is set to ‘1’, ALE is disabled.
n.c.
-
6, 17, 28,
39
1, 12, 23,
34
I/O
not connected
XTAL1
19
15
21
I
Crystal 1: Input to the inverting oscillator amplier and
input to the internal clock generator circuits.
XTAL2
18
14
20
O
Crystal 2: Output from the inverting oscillator amplier.
VDD
40
38
44
I
Power supply
VSS
20
16
22
I
Ground
Table 3.
P89V51RB2/RC2/RD2 pin description …continued
Symbol
Pin
Type
Description
DIP40
TQFP44
PLCC44
相关PDF资料
PDF描述
VJ1825A223JBCAT4X CAP CER 0.022UF 200V 5% NP0 1825
VJ1825A223KBCAT4X CAP CER 0.022UF 200V NP0 1825
VJ2225A562JBAAT4X CAP CER 5600PF 50V 5% NP0 2225
VJ2225A562JBBAT4X CAP CER 5600PF 100V 5% NP0 2225
VJ2225A562JBCAT4X CAP CER 5600PF 200V 5% NP0 2225
相关代理商/技术参数
参数描述
P89V51RB2FA 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 16K FLASH PLCC44
P89V51RB2FA,529 功能描述:8位微控制器 -MCU 80C51 16K FL / 512 R 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
P89V51RB2FA529 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 40MHZ LCC-44
P89V51RB2FN 制造商:NXP Semiconductors 功能描述:IC MCU 8BIT 80C51 16K FLASH DIP40 制造商:NXP Semiconductors 功能描述:IC, MCU 8BIT 80C51 16K FLASH, DIP40
P89V51RB2FN,112 功能描述:8位微控制器 -MCU 80C51 16K FL / 512 R 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