参数资料
型号: SST89V58RD2-33-I-NJE
厂商: Microchip Technology
文件页数: 6/92页
文件大小: 0K
描述: IC MCU 8BIT 40KB FLASH 44PLCC
标准包装: 27
系列: FlashFlex®
核心处理器: 8051
芯体尺寸: 8-位
速度: 33MHz
连通性: EBI/EMI,SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 36
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
EEPROM 大小: 8K x 8
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
2011 Silicon Storage Technology, Inc.
DS25087A
10/11
14
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
Not Recommended for New Designs
A Microchip Technology Company
Dual Data Pointers
The device has two 16-bit data pointers. The DPTR Select (DPS) bit in AUXR1 determines which of
the two data pointers is accessed. When DPS=0, DPTR0 is selected; when DPS=1, DPTR1 is
selected. Quickly switching between the two data pointers can be accomplished by a single INC
instruction on AUXR1. (See Figure 8)
Figure 8: Dual Data Pointer Organization
DPL
82H
DPS = 0
→ DPTR0
DPS = 1
→ DPTR1
External Data Memory
DPS
1255 F06.0
DPH
83H
DPTR0
DPTR1
AUXR1 / bit0
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SST89V58RD2-33-I-NJE1 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-NJF2 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PI 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PIE1 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PIF2 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU