AT89C5131A-M(2005) View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
AT89C5131A-M Datasheet PDF : 184 Pages
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Table 29. Keyboard SFRs
Mnemonic
Add Name
KBF
9Eh
Keyboard Flag
Register
KBE
9Dh
Keyboard Input Enable
Register
KBLS
9Ch
Keyboard Level
Selector Register
7
KBF7
KBE7
KBLS7
6
KBF6
KBE6
KBLS6
5
KBF5
KBE5
KBLS5
4
KBF4
KBE4
KBLS4
3
KBF3
KBE3
KBLS3
2
KBF2
KBE2
KBLS2
1
KBF1
KBE1
KBLS1
0
KBF0
KBE0
KBLS0
Table 30. TWI SFRs
Mnemonic
Add
SSCON
93h
SSCS
94h
SSDAT
95h
SSADR
96h
Name
Synchronous Serial
Control
Synchronous Serial
Control-Status
Synchronous Serial
Data
Synchronous Serial
Address
7
6
5
4
3
CR2
SSIE
STA
STO
SI
2
1
0
AA
CR1
CR0
SC4
SC3
SC2
SC1
SC0
-
-
-
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
A7
A6
A5
A4
A3
A2
A1
A0
Table 31. SPI SFRs
Mnemonic
Add
SPCON
C3h
SPSTA
C4h
SPDAT
C5h
Name
Serial Peripheral
Control
Serial Peripheral
Status-Control
Serial Peripheral Data
7
SPR2
SPIF
R7
6
SPEN
5
SSDIS
4
MSTR
WCOL SSERR MODF
R6
R5
R4
3
CPOL
-
R3
2
CPHA
-
R2
1
SPR1
-
R1
0
SPR0
-
R0
Table 32. USB SFR’s
Mnemonic Add Name
USBCON
BCh USB Global Control
USBADDR
C6h USB Address
USBINT
BDh USB Global Interrupt
USBIEN
BEh
USB Global Interrupt
Enable
UEPNUM
C7h USB Endpoint Number
UEPCONX
D4h USB Endpoint X Control
UEPSTAX
CEh USB Endpoint X Status
UEPRST
D5h USB Endpoint Reset
UEPINT
F8h USB Endpoint Interrupt
7
USBE
FEN
-
-
-
EPEN
DIR
-
-
6
5
4
SUSPCLK SDRMWUP DETACH
UADD6
UADD5
UADD4
-
WUPCPU EORINT
3
UPRSM
UADD3
SOFINT
2
RMWUPE
UADD2
-
1
CONFG
UADD1
-
0
FADDEN
UADD0
SPINT
-
EWUPCPU EEORINT ESOFINT
-
-
ESPINT
-
-
RXOUTB1
EP6RST
EP6INT
-
-
STALLRQ
EP5RST
EP5INT
-
-
TXRDY
EP4RST
EP4INT
EPNUM3
DTGL
STLCRC
EP3RST
EP3INT
EPNUM2 EPNUM1
EPDIR
EPTYPE1
RXSETUP RXOUTB0
EP2RST
EP1RST
EP2INT
EP1INT
EPNUM0
EPTYPE0
TXCMP
EP0RST
EP0INT
24 AT89C5130A/31A-M
4337C–USB–02/05
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