ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 37

• Manufacturer Part Number: ST7LITE49K2
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

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

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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