Datasheet

Reset
status
Register nameRegister labelBlockAddress
0x00HSI clock calibration trimming registerCLK_HSITRIMR
0x00 50CC
0bXXXX
XXX0
SWIM clock control registerCLK_SWIMCCR
0x00 50CD
Reserved area (3 bytes)
0x00 50CE to
0x00 50D0
0x7FWWDG control registerWWDG_CRWWDG
0x00 50D1
0x7FWWDR window registerWWDG_WR
0x00 50D2
Reserved area (13 bytes)
0x00 50D3 to
00 50DF
0xXX
(2)
IWDG key registerIWDG_KRIWDG
0x00 50E0
0x00IWDG prescaler registerIWDG_PR
0x00 50E1
0xFFIWDG reload registerIWDG_RLR
0x00 50E2
Reserved area (13 bytes)
0x00 50E3 to
0x00 50EF
0x00AWU control/status register 1AWU_CSR1AWU
0x00 50F0
0x3FAWU asynchronous prescaler buffer
register
AWU_APR
0x00 50F1
0x00AWU timebase selection registerAWU_TBR
0x00 50F2
0x1FBEEP control/status registerBEEP_CSRBEEP
0x00 50F3
Reserved area (12 bytes)
0x00 50F4 to
0x00 50FF
0x00SPI control register 1SPI_CR1SPI
0x00 5200
0x00SPI control register 2SPI_CR2
0x00 5201
31/116DocID15590 Rev 8
Memory and register mapSTM8S903K3 STM8S903F3