参数资料
型号: ST72C334N4B3XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP56
封装: 0.600 INCH, PLASTIC, SDIP-56
文件页数: 67/153页
文件大小: 2235K
代理商: ST72C334N4B3XXX
ST72334J/N, ST72314J/N, ST72124J
20/153
DATA EEPROM (Cont’d)
6.4 POWER SAVING MODES
Wait mode
The DATA EEPROM can enter WAIT mode on ex-
ecution of the WFI instruction of the microcontrol-
ler. The DATA EEPROM will immediately enter
this mode if there is no programming in progress,
otherwise the DATA EEPROM will finish the cycle
and then enter WAIT mode.
Halt mode
The DATA EEPROM immediatly enters HALT
mode if the microcontroller executes the HALT in-
struction. Therefore the EEPROM will stop the
function in progress, and data may be corrupted.
6.5 ACCESS ERROR HANDLING
If a read access occurs while LAT=1, then the data
bus will not be driven.
If a write access occurs while LAT=0, then the
data on the bus will not be latched.
If a programming cycle is interrupted (by software/
RESET action), the memory data will not be guar-
anteed.
Figure 9. Data EEPROM Programming Cycle
LAT
ERASE CYCLE
WRITE CYCLE
PGM
tPROG
READ OPERATION NOT POSSIBLE
WRITE OF
DATA LATCHES
READ OPERATION POSSIBLE
INTERNAL
PROGRAMMING
VOLTAGE
EEPROM INTERRUPT
相关PDF资料
PDF描述
ST72321BAR6T7/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72321BR6T7/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72321BAR7TC/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72321BJ6T3/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
ST72321BJ6T6/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
相关代理商/技术参数
参数描述
ST72C334N4B6 功能描述:8位微控制器 -MCU Flash 16K SPI/SCI 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
ST72C334N4T3 功能描述:8位微控制器 -MCU Flash 16K SPI/SCI 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
ST72C334N4T6 功能描述:8位微控制器 -MCU Flash 16K SPI/SCI 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
ST72C334N4T6TR 制造商:STMicroelectronics 功能描述:MCU 8BIT ST7 CISC 16KB FLASH 3.3V/5V 64TQFP - Tape and Reel
ST72C8F64-A05AS 制造商:STEC Inc 功能描述:512MB,ECC,UB,PC3200 - Bulk