at89c5131 ATMEL Corporation, at89c5131 Datasheet - Page 13
at89c5131
Manufacturer Part Number
at89c5131
Description
8-bit Flash Microcontroller With Full Speed Usb Device At89c5131
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C5131.pdf
(176 pages)
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Table 13. SFR Descriptions
Note:
4136C–USB–04/05
E8h
E0h
D8h
D0h
C8h
C0h
B8h
B0h
A8h
A0h
F8h
F0h
98h
90h
88h
80h
Addressable
1. FCON access is reserved for the Flash API and ISP software.
XXXX 1111
0000 0000
0000 0000
0000 0000
00X0 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
X000 000
1111 1111
1111 1111
1111 1111
1111 1111
UEPINT
Reserved
T2CON
CCON
SCON
TCON
PSW
IEN0
ACC
IPL0
Bit
0/8
0/8
P4
P3
P2
P1
P0
B
XXXX XXXX
XXXX XX00
XXXX 0000
X0XX X000
00XX X000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0111
FCON (1)
LEDCON
T2MOD
SADDR
SADEN
CMOD
TMOD
SBUF
IEN1
1/9
CH
SP
1/9
CL
The table below shows all SFRs with their address and their reset value.
XXXX XXXX
XXXX XXXX
XXXX XX00
XXXX X0X0
X0XX X000
X000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
UBYCTLX
CCAPM0
UFNUML
CCAP0H
CCAP0L
RCAP2L
UEPIEN
EECON
AUXR1
IPL1
BRL
DPL
TL0
2/A
2/A
XXXX XXXX
XXXX XXXX
XXXX XX00
X0XX X000
XXX0 0000
UBYCTHX
X000 0000
0000 0000
0000 0000
0001 0100
0000 0000
0000 0000
0000 0000
0000 0000
UFNUMH
BDRCON
CCAP1H
CCAPM1
RCAP2H
PLLCON
CCAP1L
SPCON
SSCON
IPH1
DPH
TL1
3/B
3/B
Non-Bit Addressable
XXXX XXXX
XXXX XXXX
UEPCONX
X000 0000
1000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
1111 1000
CCAPM2
USBCON
CCAP2H
CCAP2L
PLLDIV
SPSTA
SSCS
KBLS
TH0
TL2
4/C
4/C
XXXX XXXX
XXXX XXXX
XXXX XXXX
X000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
1111 1111
CCAPM3
CCAP3H
UEPRST
CCAP3L
USBINT
SPDAT
SSDAT
KBE
TH2
TH1
5/D
5/D
XXXX XXXX
XXXX XXXX
XXXX XXXX
XX0X 0000
X000 0000
USBADDR
0000 0000
1000 0000
0000 0000
0000 0000
UEPSTAX
WDTRST
1111 1110
CCAPM4
CCAP4H
CCAP4L
USBIEN
SSADR
AUXR
KBF
6/E
6/E
AT89C5131
XXXX X000
X000 0000
00X1 0000
0000 0000
0000 0000
0000 0000
0000 0000
UEPDATX
WDTPRG
UEPNUM
CKCON1
CKCON0
PCON
IPH0
7/F
7/F
DFh
CFh
FFh
EFh
E7h
D7h
C7h
BFh
B7h
AFh
A7h
F7h
9Fh
97h
8Fh
87h
13
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