jielie

Memory map of BC51

Address	Size	Usage
0x0000000 - 0x0017FFF	96k	RAM0
0x0018000 - 0x001BFFF	16k	+ icache data
0x001C000 - 0x001C1FF	512b	+ interrupt vectors
0x0020000 - 0x003FFFF	128k	alias 0x00000~0x1FFFF
0x0040000 - 0x00427FF	10k	RAM1
0x0048000 - 0x00497FF	6k	icache tag
0x0049800 - 0x00498FF	256	MMU tag0
0x0050000 - 0x00527FF	10k	MaskROM
0x0060000 - 0x006FFFF	64k	LSB peripherals
0x0070000 - 0x007FFFF	64k	HSB peripherals
0x0080000 - 0x009FFFF	128k	MMU mapping
0x00E0000 - 0x00EFFFF	64k	BT SFR
0x0100000 - 0x07FFFFF	7M	alias 0x00000~0xFFFFF
0x1000000 - 0x1FFFFFF	16M	SFC mapping

• This is based off the BR17 memory mapping, and so some things might be incorrect here.
• The main bus has 25-bit wide addressing, i.e. it wraps each 32 MiB. (mask 0x1FFFFFF)

Peripherals

LSB

Address	Name
0x0060000	SYSCFG - CHIP_ID
0x0060004	SYSCFG - MODE
0x0060008	SYSCFG - WKUP
0x0060018	SYSCFG - IOMC
0x0060040	SYSCFG - PWR
0x0060044	SYSCFG - CLK
0x0060080	SYSCFG - PLL
0x0060084	SYSCFG - LDO
0x0060088	SYSCFG - LVD
0x006008C	SYSCFG - WDT
0x0060090	SYSCFG - OSA
0x0060094	SYSCFG - EFUSE
0x0060098	SYSCFG - HTC
0x0060100	PORTA
0x0060120	PORTB
0x0060140	PORTC
0x0060160	PORTD
0x0060200	TIMER0
0x0060210	TIMER1
0x0060220	TIMER2
0x0060230	TIMER3
0x0060300	UART0
0x0060324	UART1
0x0060348	UART2
0x0060400	SPI0
0x0060414	SPI1
0x0060500	PAP
0x0060600	SD0
0x0060614	SD1
0x0060700	IIC
0x0060800	LCD
0x0060900	LS_OTH - PWM4
0x0060904	LS_OTH - IRTC
0x0060908	LS_OTH - IRFLT
0x0060A00	AUDIO
0x0060B00	ALNK
0x0060C00	NFC
0x0060D00	USB
0x0060E00	CRC
0x0060F00	RAND64
0x0061000	ADC
0x0061100	PLCNT

HSB

Address	Name
0x0070000	CPU
0x0070100	DEBUG
0x0070200	SFC
0x0070300	ENC
0x0070400	HS_OTH - RFI
0x0070404	HS_OTH - PD
0x0070500	AES
0x0070600	FFT
0x0070700	EQ
0x0070800	SRC