STM8S103K3T6C Datasheet, PDF (34/117 Pages) STMicroelectronics – Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C

Memory and register map
STM8S103K3 STM8S103F3 STM8S103F2
Address
Block
0x00 5218
0x00 5219
0x00 521A
0x00 521B
0x00 521C
0x00 521D
0x00 521E
Register label Register name
I2C_SR2
I²C status register 2
Reset
status
0x00
I2C_SR3
I²C status register 3
0x0X
I2C_ITR
I²C interrupt control register
0x00
I2C_CCRL
I²C Clock control register low
0x00
I2C_CCRH
I²C Clock control register high
0x00
I2C_TRISER
I²C TRISE register
0x02
I2C_PECR
I²C packet error checking register 0x00
0x00 521F to
0x00 522F
Reserved area (17 bytes)
0x00 5230
UART1
UART1_SR
UART1 status register
0xC0
0x00 5231
UART1_DR
UART1 data register
0xXX
0x00 5232
UART1_BRR1 UART1 baud rate register 1
0x00
0x00 5233
UART1_BRR2 UART1 baud rate register 2
0x00
0x00 5234
UART1_CR1 UART1 control register 1
0x00
0x00 5235
UART1_CR2 UART1 control register 2
0x00
0x00 5236
UART1_CR3 UART1 control register 3
0x00
0x00 5237
UART1_CR4 UART1 control register 4
0x00
0x00 5238
UART1_CR5 UART1 control register 5
0x00
0x00 5239
UART1_GTR UART1 guard time register
0x00
0x00 523A
UART1_PSCR UART1 prescaler register
0x00
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DocID15441 Rev 9