ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 180

• 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

On-chip peripherals
180/245
Table 59.
Bit 1 = VCEXTB External voltage reference for comparator B
Set and cleared by software. It is used to connect the external reference voltage COMPINB-
to the VN comparator B input.
Bit 0 = Reserved, Must be kept cleared.
VCEXT
0: External reference voltage not connected to the VN comparator B input
1: External reference voltage connected to the VN comparator B input
bit
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Voltage reference programming
VCBGR
bit
x
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
VR3
bit
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
x
x
VR2
bit
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
x
x
VR1
bit
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
x
x
VR0
bit
x
x
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1.2 bandgap
VN voltage
VEXT
3.2 V
2.8 V
2.6 V
2.4 V
2.2 V
1.8 V
1.6 V
1.4 V
1.2 V
0.8 V
0.6 V
0.4 V
0.2 V
3 V
2 V
1 V
ST7LITE49K2