STM8S003K3 STM8S003F3
Memory and register map
Address
Block
Register label Register name
0x00 521C
0x00 521D
0x00 521E
I2C_CCRH
I2C_TRISER
I2C_PECR
I2C Clock control register high
I2C TRISE register
I2C packet error checking register
0x00 521F to
0x00 522F
Reserved area (17 bytes)
0x00 5230
UART1
UART1_SR
UART1 status register
0x00 5231
UART1_DR
UART1 data register
0x00 5232
UART1_BRR1 UART1 baud rate register 1
0x00 5233
UART1_BRR2 UART1 baud rate register 2
0x00 5234
UART1_CR1
UART1 control register 1
0x00 5235
UART1_CR2
UART1 control register 2
0x00 5236
UART1_CR3
UART1 control register 3
0x00 5237
UART1_CR4
UART1 control register 4
0x00 5238
UART1_CR5
UART1 control register 5
0x00 5239
UART1_GTR UART1 guard time register
0x00 523A
UART1_PSCR UART1 prescaler register
0x00 523B to
0x00 523F
Reserved area (21 bytes)
0x00 5250
TIM1
TIM1_CR1
TIM1 control register 1
0x00 5251
TIM1_CR2
TIM1 control register 2
Reset
status
0x00
0x02
0x00
0xC0
0xXX
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
DocID018576 Rev 3
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