Electrical characteristics
Low speed internal RC oscillator (LSI)
STM8S003K3 STM8S003F3
Subject to general operating conditions for VDD and TA.
Table 34: LSI oscillator characteristics
Symbol
Parameter
Typ
128
Max
Unit
fLSI
Frequency
kHz
tsu(LSI)
LSI oscillator wake-up time
7
μs
IDD(LSI)
LSI oscillator power consumption
5
μA
Figure 20: Typical LSI frequency variation vs VDD @ 4 temperatures
9.3.5
Memory characteristics
RAM and hardware registers
Table 35: RAM and hardware registers
Symbol
Parameter
Conditions
Min
Unit
VRM
Data retention mode
VIT-max
(2)
Halt mode (or reset)
V
(1)
(1) Minimum supply voltage without losing data stored in RAM (in halt mode or under reset)
or in hardware registers (only in halt mode). Guaranteed by design, not tested in production.
(2) Refer to the Operating conditions section for the value of VIT-max
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