STM8L101 Datasheet, PDF (24/81 Pages) STMicroelectronics – 8-bit ultralow power microcontroller with up to 8 Kbytes Flash multifunction timers, comparators, USART, SPI, I2C

Memory and register map
STM8L101xx
Table 5. Flash and RAM boundary addresses
Memory area
Size
Start address
RAM
Flash program memory
1.5 Kbytes
2 Kbytes
4 Kbytes
8 Kbytes
0x00 0000
0x00 8000
0x00 8000
0x00 8000
End address
0x00 05FF
0x00 87FF
0x00 8FFF
0x00 9FFF
Table 6. I/O Port hardware register map
Address Block Register label
Register name
0x00 5000
0x00 5001
0x00 5002
0x00 5003
0x00 5004
0x00 5005
0x00 5006
0x00 5007
0x00 5008
0x00 5009
0x00 500A
0x00 500B
0x00 500C
0x00 500D
0x00 500E
0x00 500F
0x00 5010
0x00 5011
0x00 5012
0x00 5013
Port A
Port B
Port C
Port D
PA_ODR
PA_IDR
PA_DDR
PA_CR1
PA_CR2
PB_ODR
PB_IDR
PB_DDR
PB_CR1
PB_CR2
PC_ODR
PC_IDR
PC_DDR
PC_CR1
PC_CR2
PD_ODR
PD_IDR
PD_DDR
PD_CR1
PD_CR2
Port A data output latch register
Port A input pin value register
Port A data direction register
Port A control register 1
Port A control register 2
Port B data output latch register
Port B input pin value register
Port B data direction register
Port B control register 1
Port B control register 2
Port C data output latch register
Port C input pin value register
Port C data direction register
Port C control register 1
Port C control register 2
Port D data output latch register
Port D input pin value register
Port D data direction register
Port D control register 1
Port D control register 2
Reset
status
0x00
0xxx
0x00
0x00
0x00
0x00
0xxx
0x00
0x00
0x00
0x00
0xxx
0x00
0x00
0x00
0x00
0xxx
0x00
0x00
0x00
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Doc ID 15275 Rev 11