参数资料
型号: P89V51RB2BBC,557
厂商: NXP Semiconductors
文件页数: 16/80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
23 of 80
NXP Semiconductors
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
03
Miscellaneous Write Functions
:nnxxxx03ffssddcc
Where:
nn = number of bytes in the record
xxxx = required eld but value is a ‘don’t care’
ff = subfunction code
ss = selection code
dd = data (if needed)
cc = checksum
Subfunction code = 01 (Erase block 0)
ff=01
Subfunction code = 05 (Program security bit, Double Clock)
ff=05
ss = 01 program security bit
ss = 05 program double clock bit
Subfunction code = 08 (Erase sector, 128 B)
ff=08
ss = high byte of sector address (A15:8)
dd = low byte of sector address (A7, A6:0 = 0)
Example:
:0300000308E000F2 (erase sector at E000H)
04
Display Device Data or Blank Check
:05xxxx04sssseeeeffcc
Where
05 = number of bytes in the record
xxxx = required eld but value is a ‘don’t care’
04 = function code for display or blank check
ssss = starting address, MSB rst
eeee = ending address, MSB rst
ff = subfunction
00 = display data
01 = blank check
cc = checksum
Subfunction codes:
Example:
:0500000400001FFF00D9 (display from 0000H to 1FFFH)
Table 12.
ISP hex record formats …continued
Record type
Command/data function
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