AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 34

• Manufacturer Part Number: AT89C5122
• Description: MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
• Manufacturer: ATMEL [ATMEL Corporation]

AT8xC5122 Version
34
S
C
R
S
S
C
R
S
S
C
R
S
1
0
1
0
1
0
D8h
D0h
C8h
F8h
F0h
E8h
E0h
B8h
A0h
98h
90h
88h
80h
C0h
B0h
A8h
AT8xC5122/23
addressable
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
1111 1111
1111 1111
X000 000
1111 1111
1111 1111
1111 1111
1111 1111
UEPINT
SCON
TCON
PSW
IEN0
ACC
0/8
IPL0
Bit
P5
P4
P3
P2
P1
P0
B
XXXX XXXX
XXXX 0XXX
XXXX X000
XX00 0000
LEDCON0
0000 0000
LEDCON1
SCICLK
0X10 1111
0000 0000
0000 0000
0000 0000
0000 0100
0000 0000
0000 0000
SCWT3
0000 0111
PMOD0
SADEN
SADDR
RCON
TMOD
SBUF
IEN1
ISEL
1/9
SP
(2)
(1)
(1)
Notes:
XXXX XXXX
XX1X 0XX0
00XX 00X0
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
UBYCTX
UFNUML
UEPIEN
SCIBUF
AUXR1
1. Mapping is done using SCRS bit in SCSR register.
2. Grey areas : do not write in.
IPL1
BRL
DPL
2/A
TL0
XXXX X000
00XX 00X0
XXX0 0000
X000 1000
0001 0100
0000 0000
0000 0000
0000 0000
UFNUMH
BDRCON
PLLCON
SPCON
SCSR
IPH1
DPH
3/B
TL1
Not bit addressable
SCETU0
UEPCONX
1000 0000
0000 0000
0000 0000
0000 1100
1000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0111 0100
SCGT0
SCWT0
SCCON
USBCON
PLLDIV
PMOD1
SPSTA
KBLS
4/C
TH0
(1)
(1)
(1)
(1)
XXXX XXX0
XXXX XXX0
XXXX X001
SCETU1
10X0 0000
0000 0000
0000 0000
0010 0101
0000 0000
0000 0000
SCWT1
1111 1111
SCISR
UEPRST
SCGT1
USBINT
CKSEL
SPDAT
5/D
KBE
TH1
(1)
(1)
(1)
(1)
XXXX XXXX
0XXX X000
USBADDR
0X00 0000
0X00 0000
0000 0000
1000 0000
0000 0000
0000 0000
0000 0000
0000 0000
UEPSTAX
SCWT2
SCIER
SCICR
WDTRST
SCIIR
USBIEN
AUXR
KBF
6/E
(1)
(1)
(1)
(1)
4202D–SCR–06/05
XXXX X000
X0X0 X000
X000 0000
XXXX 1111
00X1 0000
0000 0000
0000 0000
0000 0000
UEPDATX
WDTPRG
UEPNUM
DCCKPS
CKCON0
PCON
CKRL
IPH0
7/F