Rainbow Electronics AT89C5122 User Manual
Page 39
39
AT8xC5122/23
4202E–SCR–06/06
Note:
1. Only for AT8xC5122
Note:
1. Only for AT8xC5122
Notes:
1. Only for AT8xC5122
SCICLK
C1h
Smart Card Frequency
Prescaler Register
XTSCS
(1)
SCICLK5-0
Table 18. SCIB SFRs
Mnemonic
Add Name
7
6
5
4
3
2
1
0
Table 19. DC/DC SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
DCCKPS
BFh
DC/DC Converter Reload
Register
MODE
OVFADJ
BOOST[1-0]
DCCKPS3-0
Table 20. Keyboard SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
KBF
(1)
9Eh Keyboard Flag Register
KBE7 - 0
KBE
(1)
9Dh
Keyboard Input Enable
Register
KBF7 - 0
KBLS
(1)
9Ch
Keyboard Level Selector
Register
KBLS7 - 0
Table 21. SPI SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
SPCON
(1)
C3h Serial Peripheral Control
SPR2
SPEN
SSDIS
MSTR
CPOL
CPHA
SPR1
SPR0
SPSTA
(1)
C4h
Serial Peripheral Status-
Control
SPIF
WCOL
MODF
SPDAT
(1)
C5h Serial Peripheral Data
R7 - 0
Table 22. USB SFRs
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
UADD6-0
USBINT
BDh USB Global Interrupt
WUPCPU
EORINT
SOFINT
SPINT
USBIEN
BEh
USB Global Interrupt
Enable
EWUPCPU
EEORINT
ESOFINT
ESPINT
UEPNUM
C7h USB Endpoint Number
EPNUM3-0
UEPCONX
D4h USB Endpoint X Control
EPEN
NAKIEN
NAKOUT
NAKIN
DTGL
EPDIR
EPTYPE1
EPTYPE0
UEPSTAX
CEh USB Endpoint X Status
DIR
RXOUTB1
STALLRQ
TXRDY
STL/CRC
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