Rainbow Electronics AT89C5132 - Manual (Page 34)

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AT8xC5132
4173A–8051–08/02
Table 41. 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 42. 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
Table 43. Special Register
Mnemonic Add Name 7 6 5 4 3 2 1 0
SSCON 93h Reserved SSCR2 SSPE SSSTA SSSTO SSI SSAA SSCR1 SSCR0
SSSTA 94h Reserved SSC4 SSC3 SSC2 SSC1 SSC0 0 0 0
SSDAT 95h Reserved SSD7 SSD6 SSD5 SSD4 SSD3 SSD2 SSD1 SSD0
SSADR 96h Reserved SSA7 SSA6 SSA5 SSA4 SSA3 SSA2 SSA1 SSGC
Table 44. Keyboard Interface SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
KBCON A3h Keyboard Control KINL3 KINL2 KINL1 KINL0 KINM3 KINM2 KINM1 KINM0
KBSTA A4h Keyboard Status KPDE – – – KINF3 KINF2 KINF1 KINF0
Table 45. A/D Controller SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
ADCON F3h ADC Control – ADIDL ADEN ADEOC ADSST – – ADCS
ADCLK F2h ADC Clock Divider – – – ADCD4 ADCD3 ADCD2 ADCD1 ADCD0
ADDL F4h ADC Data Low Byte – – – – – – ADAT1 ADAT0
ADDH F5h ADC Data High Byte ADAT9 ADAT8 ADAT7 ADAT6 ADAT5 ADAT4 ADAT3 ADAT2