01    02    03    04     Reset value (stm8s.h)
ICKR      = 0x13  0x13  0x13  0x13  | 0x01
ECKR      = 0x00  0x00  0x00  0x00  | 0x00
RESERVED  = 0x00  0x00  0x00  0x00  | -x--
CMSR      = 0xE1  0xE1  0xE1  0xE1  | 0xE1
SWR       = 0xE1  0xE1  0xE1  0xE1  | 0xE1
SWCR      = 0x00  0x00  0x00  0x00  | 0x00
CKDIVR    = 0x18  0x18  0x18  0x18  | 0x18
PCKENR1   = 0xFF  0xFF  0xFF  0xFF  | 0xFF
CSSR      = 0x00  0x00  0x00  0x00  | 0x00
CCOR      = 0x00  0x00  0x00  0x00  | 0x00
PCKENR2   = 0xFF  0xFF  0xFF  0xFF  | 0xFF
RESERVED1 = 0x00  0x00  0x00  0x00  | -x--
HSITRIMR  = 0x00  0x00  0x00  0x00  | 0x00
SWIMCCR   = 0x00  0x00  0x00  0x00  | 0x00
Initialization complete.