Rainbow Electronics AT89C5131 - Manual (Page 17)

17
AT89C5131
4136A–USB–03/03
Table 21. Keyboard SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
KBF 9Eh
Keyboard Flag
Register
KBF7 KBF6 KBF5 KBF4 KBF3 KBF2 KBF1 KBF0
KBE 9Dh
Keyboard Input Enable
Register
KBE7 KBE6 KBE5 KBE4 KBE3 KBE2 KBE1 KBE0
KBLS 9Ch
Keyboard Level
Selector Register
KBLS7 KBLS6 KBLS5 KBLS4 KBLS3 KBLS2 KBLS1 KBLS0
Table 22. SPI SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
SPCON C3h
Serial Peripheral
Control
SPR2 SPEN SSDIS MSTR CPOL CPHA SPR1 SPR0
SPSTA C4h
Serial Peripheral
Status-Control
SPIF WCOL SSERR MODF - - - -
SPDAT C5h Serial Peripheral Data R7 R6 R5 R4 R3 R2 R1 R0
Table 23. USDB SFR’s
Mnemonic Add Name 7 6 5 4 3 2 1 0
USBCON BCh USB Global Control USBE SUSPCLK SDRMWUP DETACH UPRSM RMWUPE CONFG FADDEN
USBADDR C6h USB Address FEN UADD6 UADD5 UADD4 UADD3 UADD2 UADD1 UADD0
USBINT BDh USB Global Interrupt - - WUPCPU EORINT SOFINT - - SPINT
USBIEN BEh
USB Global Interrupt
Enable
- - EWUPCPU EEORINT ESOFINT - - ESPINT
UEPNUM C7h USB Endpoint Number - - - - EPNUM3 EPNUM2 EPNUM1 EPNUM0
UEPCONX D4h USB Endpoint X Control EPEN - - - DTGL EPDIR EPTYPE1 EPTYPE0
UEPSTAX CEh USB Endpoint X Status DIR RXOUTB1 STALLRQ TXRDY STLCRC RXSETUP RXOUTB0 TXCMP
UEPRST D5h USB Endpoint Reset - EP6RST EP5RST EP4RST EP3RST EP2RST EP1RST EP0RST
UEPINT F8h USB Endpoint Interrupt - EP6INT EP5INT EP4INT EP3INT EP2INT EP1INT EP0INT
UEPIEN C2h
USB Endpoint Interrupt
Enable
- EP6INTE EP5INTE EP4INTE EP3INTE EP2INTE EP1INTE EP0INTE
UEPDATX CFh USB Endpoint X FIFO Data FDAT7 FDAT6 FDAT5 FDAT4 FDAT3 FDAT2 FDAT1 FDAT0
UBYCTLX E2h
USB Byte Counter Low (EP
X)
BYCT7 BYCT6 BYCT5 BYCT4 BYCT3 BYCT2 BYCT1 BYCT0
UBYCTHX E3h
USB Byte Counter High
(EP X)
- - - - - BYCT10 BYCT9 BYCT8
UFNUML BAh USB Frame Number Low FNUM7 FNUM6 FNUM5 FNUM4 FNUM3 FNUM2 FNUM1 FNUM0
UFNUMH BBh USB Frame Number High - - CRCOK CRCERR - FNUM10 FNUM9 FNUM8