AT89C5132
Table 31. SFR Addresses and Reset Values
0/8
1/9
2/A
3/B
4/C
5/D
6/E
7/F
UEPINT
0000 0000
DAT16H
XXXX XXXX
NVERS(2)
XXXX XXXX
F8h
F0h
E8h
E0h
D8h
D0h
C8h
C0h
B8h
B0h
A8h
A0h
98h
90h
88h
80h
FFh
B(1)
0000 0000
ADCLK
0000 0000
ADCON
0000 0000
ADDL
0000 0000
ADDH
0000 0000
F7h
PLLCON
USBCLK
AUDCLK
MMCLK
PLLNDIV
PLLRDIV
EFh
0000 1000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
ACC(1)
UBYCTLX
0000 0000
MMCON0
0000 0000
MMCON1
0000 0000
MMCON2
0000 0000
MMINT
E7h
0000 0011
0000 0000
P5(1)
XXXX 1111
MMDAT
1111 1111
MMCMD
1111 1111
MMSTA
0000 0000
MMMSK
DFh
1111 1111
PSW(1)
0000 0000
FCON(3)
1111 0000(4)
UEPCONX
0000 0000
UEPRST
0000 0000
D7h
UEPSTAX
0000 0000
UEPDATX
CFh
0000 0000
P4(1)
1111 1111
UEPIEN
0000 0000
SPCON
0001 0100
SPSTA
0000 0000
SPDAT
XXXX XXXX
USBADDR
1000 0000
UEPNUM
C7h
0000 0000
IPL0(1)
X000 0000
SADEN
0000 0000
UFNUML
0000 0000
UFNUMH
0000 0000
USBCON
0000 0000
USBINT
0000 0000
USBIEN
0001 0000
BFh
P3(1)
IEN1
IPL1
IPH1
IPH0
B7h
1111 1111
0000 0000
0000 0000
0000 0000
X000 0000
IEN0(1)
0000 0000
SADDR
0000 0000
AFh
P2(1)
1111 1111
AUXR1
XXXX 00X0
KBCON
0000 1111
KBSTA
0000 0000
WDTRST
XXX XXXX
WDTPRG
A7h
XXXX X000
SCON
SBUF
AUDCON0
0000 1000
AUDCON1
1011 0010
AUDSTA
AUDDAT
1111 1111
9Fh
97h
0000 0000
XXXX XXXX
1100 0000
P1(1)
1111 1111
BRL
0000 0000
BDRCON
XXX0 0000
SSCON
0000 0000
SSSTA
1111 1000
SSDAT
1111 1111
SSADR
1111 1110
TCON(1)
TMOD
TL0
TL1
TH0
TH1
AUXR
CKCON
8Fh
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
X000 1101
0000 000X(5)
0000 0000
P0(1)
1111 1111
SP
0000 0111
DPL
0000 0000
DPH
0000 0000
PCON
87h
00XX 0000
0/8
1/9
2/A
3/B
4/C
5/D
6/E
7/F
Reserved
Notes: 1. SFR registers with least significant nibble address equal to 0 or 8 are bit-addressable.
2. NVERS reset value depends on the silicon version: 1000 0011 for AT89C5132 product
3. FCON register is only available in AT89C5132 product.
4. FCON reset value is 00h in case of reset with hardware condition.
5. CKCON reset value depends on the X2B bit (programmed or unprogrammed) in the Hardware Byte.
33
4173E–USB–09/07
ATMEL [ ATMEL ]
