Datasheet

34
4341H–MP3–10/07
AT8xC51SND2C/MP3B
Table 8-12. MMC Controller SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
MMCON0 E4h MMC Control 0 DRPTR DTPTR CRPTR CTPTR MBLOCK DFMT RFMT CRCDIS
MMCON1 E5h MMC Control 1 BLEN3 BLEN2 BLEN1 BLEN0 DATDIR DATEN RESPEN CMDEN
MMCON2 E6h MMC Control 2 MMCEN DCR CCR - - DATD1 DATD0 FLOWC
MMSTA DEh MMC Control and Status - - CBUSY CRC16S DATFS CRC7S RESPFS CFLCK
MMINT E7h MMC Interrupt MCBI EORI EOCI EOFI F2FI F1FI F2EI F1EI
MMMSK DFh MMC Interrupt Mask MCBM EORM EOCM EOFM F2FM F1FM F2EM F1EM
MMCMD
DD
h
MMC Command MC7 MC6 MC5 MC4 MC3 MC2 MC1 MC0
MMDAT
DC
h
MMC Data MD7 MD6 MD5 MD4 MD3 MD2 MD1 MD0
MMCLK EDh MMC Clock Divider MMCD7 MMCD6 MMCD5 MMCD4 MMCD3 MMCD2 MMCD1 MMCD0
Table 8-13. IDE Interface SFR
Mnemonic Add Name 7 6 5 4 3 2 1 0
DAT16H F9h High Order Data Byte D15 D14 D13 D12 D11 D10 D9 D8
Table 8-14. Serial I/O Port SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
SCON 98h Serial Control FE/SM0 SM1 SM2 REN TB8 RB8 TI RI
SBUF 99h Serial Data Buffer
SADEN B9h Slave Address Mask
SADDR A9h Slave Address
BDRCON 92h Baud Rate Control BRR TBCK RBCK SPD SRC
BRL 91h Baud Rate Reload
Table 8-15. SPI Controller SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
SPCON C3h SPI Control SPR2 SPEN SSDIS MSTR CPOL CPHA SPR1 SPR0
SPSTA C4h SPI Status SPIF WCOL - MODF - - - -
SPDAT C5h SPI Data SPD7 SPD6 SPD5 SPD4 SPD3 SPD2 SPD1 SPD0