ST7DALIF2 STMicroelectronics, ST7DALIF2 Datasheet - Page 95

• Manufacturer Part Number: ST7DALIF2
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMicroelectronics

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

ST7DALIF2
Figure 43. DALI signal sampling
In the example shown in
each edge trigger (DALI signal change of phase). At the same time the value of the 4-bit
sample clock counter is reset. By reading the DCMCSR[3:0] bits software can detect
changes in the DALI signal pulse length.
DALI Signal
4-bit sample clock counter
Phase Detector
Shifter Clock
4-bit Pre-shifter
x
16-bit Shifter
xxxx
Edge Trigger
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Figure
0
44, the DCMCSR[3:0] bits are updated automatically at
DALI communication module
01
xxx1
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