STM8L151K2 STMicroelectronics, STM8L151K2 Datasheet - Page 7

• Manufacturer Part Number: STM8L151K2
• Description: STM8L-Ultra Low Power-8 bits Microcontrollers
• Manufacturer: STMicroelectronics

Specifications of STM8L151K2

• Operating Power Supply: 1.65 to 3.6 V (without BOR), 1.8 to 3.6 V (with BOR)
• Temperature Range: -40 to 85 or 125 °C
• 5 Low Power Modes: Wait, Low power run, Low power wait, Active-halt with RTC, Halt
• Ultralow Leakage Per I/0: 50 nA
• Fast Wakeup From Halt: 5 μs
• Max Freq: 16 MHz, 16 CISC MIPS peak

STM8L151x2, STM8L151x3
List of figures
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Low density STM8L151xx device block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Low density STM8L15x clock tree diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
STM8L151Cx LQFP48 package pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
STM8L151Kx UFQFPN32 package pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
STM8L151Gx UFQFPN28 package pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
STM8L151Fx UFQFPN20 package pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
STM8L151Fx TSSOP20 package pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Pin loading conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
POR/BOR thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Typ. IDD(RUN) vs. VDD, fCPU = 16 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Typ. IDD(Wait) vs. VDD, fCPU = 16 MHz 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Typ. IDD(LPR) vs. VDD (LSI clock source) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Typ. IDD(LPW) vs. VDD (LSI clock source) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
HSE oscillator circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
LSE oscillator circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Typical HSI frequency vs V
Typical LSI frequency vs. VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Typical VIL and VIH vs VDD (high sink I/Os) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Typical VIL and VIH vs VDD (true open drain I/Os) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Typical pull-up resistance R
Typical pull-up current I
Typ. VOL @ VDD = 3.0 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typ. VOL @ VDD = 1.8 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typ. VOL @ VDD = 3.0 V (true open drain ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typ. VOL @ VDD = 1.8 V (true open drain ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typ. VDD - VOH @ VDD = 3.0 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typ. VDD - VOH @ VDD = 1.8 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typical NRST pull-up resistance R
Typical NRST pull-up current I
Recommended NRST pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
SPI1 timing diagram - slave mode and CPHA=0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
SPI1 timing diagram - slave mode and CPHA=1
SPI1 timing diagram - master mode
Typical application with I2C bus and timing diagram 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
ADC1 accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Typical connection diagram using the ADC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Power supply and reference decoupling (V
Power supply and reference decoupling (VREF+ connected to VDDA) . . . . . . . . . . . . . . . 92
Max. dynamic current consumption on V
conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
LQFP48 – 48-pin low profile quad flat package outline (7x7) . . . . . . . . . . . . . . . . . . . . . . 102
UFQFPN32 - 32-lead ultra thin fine pitch quad flat no-lead package outline (5 x 5). . . . . 103
UFQFPN32 recommended footprint
UFQFPN28 – 28-lead ultra thin fine pitch quad flat no-lead package outline (4 x 4) . . . . 104
UFQFPN28 recommended footprint (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . . . . 105
UFQFPN20 - 20-lead ultra thin fine pitch quad flat package outline (3x3) . . . . . . . . . . . . 106
pu
vs V
DD
PU
Doc ID 018780 Rev 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
pu
DD
vs V
vs V
with VIN=VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
PU
DD
(1)
(1)
DD
vs V
with VIN=VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
REF+
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
DD
REF+
supply pin during ADC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
(1)
not connected to V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
DDA
). . . . . . . . . . . . . . 92
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