ST7DALIF2 STMicroelectronics, ST7DALIF2 Datasheet - Page 27
ST7DALIF2
Manufacturer Part Number
ST7DALIF2
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
Manufacturer
STMicroelectronics
Datasheet
1.ST7DALIF2.pdf
(171 pages)
Specifications of ST7DALIF2
8 Kbytes Single Voltage Flash Program Memory With Read-out Protection, In-circuit Programming And In-application Programming (icp And Iap). 10k Write/erase Cycles Guaranteed, Data Retention
20 years at 55°C.
256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55°C.
Clock Sources
Internal 1% RC oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-Halt, Wait and Slow, Auto Wake Up From Halt
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ST7DALIF2
7.7
7.8
Note:
Register description
EEPROM control/status register (EECSR)
Read/Write
Reset Value: 0000 0000 (00h)
Bits 7:2 = Reserved, forced by hardware to 0.
Bit 1 = E2LAT Latch Access Transfer
This bit is set by software. It is cleared by hardware at the end of the programming cycle. It
can only be cleared by software if the E2PGM bit is cleared.
0: Read mode
1: Write mode
Bit 0 = E2PGM 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.
0: Programming finished or not yet started
1: Programming cycle is in progress
If the E2PGM bit is cleared during the programming cycle, the memory data is not
guaranteed
Table 5.
0030h
Address
(Hex.)
7
0
EECSR
Reset
Value
Register
Data EEPROM register map and reset values
label
0
7
0
0
6
0
0
5
0
0
4
0
3
0
0
2
0
E2LAT
E2LAT
Data EEPROM
1
0
E2PGM
E2PGM
0
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0
0
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