Datasheet
Description STM8L151x2, STM8L151x3
12/112 Doc ID 018780 Rev 4
2.1 Device overview
Table 1. Low density STM8L15xxx low power device features and peripheral counts
Features STM8L151F3 STM8L151G3
STM8L151K3/
STM8L151C3
STM8L151F2 STM8L151G2
STM8L151K2/
STM8L151C2
Flash (Kbytes) 8 4
Data EEPROM
(bytes)
256
RAM (Kbytes) 1
Timers
Basic
1
(8-bit)
General
purpose
2
(16-bit)
Commun
-ication
interfaces
SPI 1
I2C 1
USART 1
GPIOs 18
(1)
26
(1)
30
(2)
/41
(1)(2)
18
(1)
26
(1)
30
(2)
/41
(1)(2)
12-bit synchronized
ADC (number of
channels)
1
(10)
1
(18)
1
(23/28)
(3)
1
(10)
1
(18)
1
(23/28)
(3)
Comparators
(COMP1/COMP2)
2
Others
RTC, window watchdog, independent watchdog,
16-MHz and 38-kHz internal RC, 1- to 16-MHz and 32-kHz external oscillator
CPU frequency 16 MHz
Operating voltage
1.8 to 3.6 V (down to 1.65 V at power-down) with BOR
1.65 to 3.6 V without BOR
Operating
temperature
− 40 to +85 °C / − 40 to +125 °C
Packages
TSSOP20
UFQFPN20
UFQFPN28
UFQFPN32
LQFP48
TSSOP20
UFQFPN20
UFQFPN28
UFQFPN32
LQFP48
1. The number of GPIOs given in this table includes the NRST/PA1 pin but the application can use the NRST/PA1 pin as
general purpose output only (PA1).
2. 26 GPIOs in the STM8L151K3 and 40 GPIOs in the STM8L151C3.
3. 22 channels in the STM8L151K3 and 28 channels in the STM8L151C3.