ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 37
ST7LITE49K2
Manufacturer Part Number
ST7LITE49K2
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST7LITE49K2.pdf
(245 pages)
Specifications of ST7LITE49K2
8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance
10K write/erase cycles guaranteed Data retention
256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55 °C.
Clock Sources
Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow
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ST7LITE49K2
Figure 11. Stack manipulation example
@ 0180h
@ 01FFh
SP
Subroutine
Stack Higher Address = 01FFh
Stack Lower Address = 0180h
CALL
PCH
PCL
SP
Interrupt
Event
PCH
PCL
PCH
PCL
CC
A
X
SP
PUSH Y
PCH
PCH
PCL
PCL
CC
Y
A
X
SP
POP Y
PCH
PCH
PCL
PCL
CC
A
X
SP
IRET
PCH
PCL
Central processing unit
SP
or RSP
RET
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