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AT89C5132-ROTIL Datasheet(PDF) 29 Page - ATMEL Corporation

Part # AT89C5132-ROTIL
Description  USB Microcontroller with 64K Bytes Flash Memory
PDF  182 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C5132-ROTIL Datasheet(HTML) 29 Page - ATMEL Corporation

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29
4173E–USB–09/07
AT89C5132
9.
Special Function Registers
The Special Function Registers (SFRs) of the AT89C5132 derivatives fall into the categories
detailed in Table 15 to Table 30. The relative addresses of these SFRs are provided together
with their reset values in Table 31. In this table, the bit-addressable registers are identified by
Note 1.
Table 15. C51 Core SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
ACC
E0h
Accumulator
B
F0h
B Register
PSW
D0h
Program Status Word
CY
AC
F0
RS1
RS0
OV
F1
P
SP
81h
Stack Pointer
DPL
82h
Data Pointer Low byte
DPH
83h
Data Pointer High byte
Table 16. System Management SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
PCON
87h
Power Control
SMOD1
SMOD0
-
-
GF1
GF0
PD
IDL
AUXR
8Eh
Auxiliary Register 0
-
EXT16
M0
DPHDIS
XRS1
XRS0
EXTRAM
AO
AUXR1
A2h
Auxiliary Register 1
-
-
ENBOOT
-
GF3
0
-
DPS
NVERS
FBh
Version Number
NV7
NV6
NV5
NV4
NV3
NV2
NV1
NV0
Table 17. PLL and System Clock SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
CKCON
8Fh
Clock Control
-
WDX2
-
-
-
T1X2
T0X2
X2
PLLCON
E9h
PLL Control
R1
R0
-
-
PLLRES
-
PLLEN
PLOCK
PLLNDIV
EEh
PLL N Divider
-
N6
N5
N4
N3
N2
N1
N0
PLLRDIV
EFh
PLL R Divider
R9
R8
R7
R6
R5
R4
R3
R2
Table 18. Interrupt SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
IEN0
A8h
Interrupt Enable Control 0
EA
EAUD
-
ES
ET1
EX1
ET0
EX0
IEN1
B1h
Interrupt Enable Control 1
-
EUSB
-
EKB
EADC
ESPI
EI2C
EMMC
IPH0
B7h
Interrupt Priority Control High 0
-
IPHAUD
-
IPHS
IPHT1
IPHX1
IPHT0
IPHX0
IPL0
B8h
Interrupt Priority Control Low 0
-
IPLAUD
-
IPLS
IPLT1
IPLX1
IPLT0
IPLX0
IPH1
B3h
Interrupt Priority Control High 1
-
IPHUSB
-
IPHKB
IPHADC
IPHSPI
IPHI2C
IPHMMC
IPL1
B2h
Interrupt Priority Control Low 1
-
IPLUSB
-
IPLKB
IPLADC
IPLSPI
IPLI2C
IPLMMC



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