ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 112
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
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Bit 0 = TB2F Timebase 2 Interrupt flag
Lite timer autoreload register (LTARR)
Reset value: 0000 0000 (00h)
Bits 7:0 = AR[7:0] Counter 2 reload value
These bits register is read/write by software. The LTARR value is automatically loaded into
Counter 2 (LTCNTR) when an overflow occurs.
Lite timer counter 2 (LTCNTR)
Reset value: 0000 0000 (00h)
Bits 7:0 = CNT[7:0] Counter 2 Reload value
Lite timer control/status register (LTCSR1)
Reset value: 0x00 0000 (x0h)
Bit 7 = ICIE Interrupt enable bit
CNT7
AR7
ICIE
This bit is set by hardware and cleared by software reading the LTCSR register. Writing
to this bit has no effect.
0: No Counter 2 overflow
1: A Counter 2 overflow has occurred
This register is read by software. The LTARR value is automatically loaded into Counter
2 (LTCNTR) when an overflow occurs.
This bit is set and cleared by software.
0: Input Capture (IC) interrupt disabled
1: Input Capture (IC) interrupt enabled
7
7
7
CNT6
AR6
ICF
CNT5
AR5
TB
TB1IE
CNT4
AR4
Read / Write
Read / Write
Read only
CNT3
TB1F
AR3
CNT2
AR2
CNT1
AR1
ST7LITE49K2
CNT0
AR0
0
0
0
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