ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 119
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
Note:
A minimum of four falling edges of the CPU clock must occur between two consecutive
active edges of the external clock; thus the external clock frequency must be less than a
quarter of the CPU clock frequency.
Figure 57. Counter timing diagram, internal clock divided by 2
Figure 58. Counter timing diagram, internal clock divided by 4
Figure 59. Counter timing diagram, internal clock divided by 8
The device is in reset state when the internal reset signal is high, when it is low the device is
running.
Timer overflow flag (TOF)
Timer overflow flag (TOF)
Timer overflow flag (TOF)
Counter register
Counter register
Internal reset
Counter register
Timer clock
Internal reset
CPU clock
Internal reset
Timer clock
CPU clock
CPU clock
Timer clock
FFFC
FFFC
FFFD FFFE
FFFD
FFFF
FFFD
0000
0000
0001
0002
On-chip peripherals
0001
0003
0000
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