参数资料
型号: ST72C314N4TC
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, PQFP64
封装: 14 X 14 MM, ROHS COMPLIANT, TQFP-64
文件页数: 66/150页
文件大小: 3530K
代理商: ST72C314N4TC
ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto
22/150
DATA EEPROM (Cont’d)
6.6 REGISTER DESCRIPTION
CONTROL/STATUS REGISTER (CSR)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:3 = Reserved, forced by hardware to 0.
Bit 2 = IE Interrupt enable
This bit is set and cleared by software. It enables the
Data EEPROM interrupt capability when the PGM
bit is cleared by hardware. The interrupt request is
automatically cleared when the software enters the
interrupt routine.
0: Interrupt disabled
1: Interrupt enabled
Bit 1 = LAT Latch Access Transfer
This bit is set by software. It is cleared by hard-
ware at the end of the programming cycle. It can
only be cleared by software if PGM bit is cleared.
0: Read mode
1: Write mode
Bit 0 = PGM Programming control and status
This bit is set by software to begin the programming
cycle. At the end of the programming cycle, this bit
is cleared by hardware and an interrupt is generated
if the ITE bit is set.
0: Programming finished or not yet started
1: Programming cycle is in progress
Note: if the PGM bit is cleared during the program-
ming cycle, the memory data is not guaranteed
Table 3. Data EEPROM Register Map and Reset Values
6.7 READOUT PROTECTION OPTION
The Data EEPROM can be optionally readout pro-
tected in ST72334 ROM devices (see option list on
). ST72C334 Flash devices do not have
this protection option.
7
0
IE
LAT
PGM
Address
(Hex.)
Register
Label
7
6
5
4
3
2
1
0
002Ch
EECSR
Reset Value
0
IE
0
RWM
0
PGM
0
相关PDF资料
PDF描述
ST72124J2TC/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
ST72334J4TB/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
ST72C314J2TC 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44
ST72314N4TA/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72314N4TB/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
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