ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 124
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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On-chip peripherals
Forced compare output capability
When the FOLVi bit is set by software, the OLVLi bit is copied to the OCMPi pin. The OLVi bit has to be
toggled in order to toggle the OCMPi pin when it is enabled (OCiE bit = 1). The OCFi bit is then not set by
hardware, and thus no interrupt request is generated.
FOLVLi bits have no effect in both one pulse mode and PWM mode.
Figure 62. Output compare block diagram
Figure 63. Output compare timing diagram, f
124/245
16-bit
16-bit free running counter
OC1R register
Output compare circuit
16-bit
OC2R register
Output compare register i (OCRi)
16-bit
Output compare flag i (OCFi)
OCMPi pin (OLVLi = 1)
Internal CPU clock
Counter register
Timer clock
OC1E
OCIE
OC2E
OCF1
2ECF
TIMER
FOLV2 FOLV1
2ED0
= f
OCF2
CC1
2ED1
CPU
CR2 (control register 2)
CR1 (control register 1)
OLVL2
/2
CC0
2ED3
SR (status register)
0
2ED2
0
2ED3
OLVL1
0
2ED4
Latch
Latch
1
2
ST7LITE49K2
OCMP1
OCMP2
pin
pin
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