AT89C51SND1C-ROTIL ATMEL Corporation, AT89C51SND1C-ROTIL Datasheet - Page 16

• Manufacturer Part Number: AT89C51SND1C-ROTIL
• Description: Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
• Manufacturer: ATMEL Corporation

Table 19. Interrupt SFRs
Table 20. Port SFRs
Table 21. Flash Memory SFR
Table 22. Timer SFRs
16
IEN0
IEN1
IPH0
IPL0
IPH1
IPL1
P0
P1
P2
P3
P4
P5
FCON
TCON
TMOD
TL0
TH0
TL1
Mnemonic
Mnemonic
Mnemonic
Mnemonic
AT8xC51SND1C
Add
Add
Add
Add
C0h 8-bit Port 4
D8h 4-bit Port 5
D1h Flash Control
8Ch
A8h
B1h
B7h
B8h
B3h
B2h
A0h 8-bit Port 2
B0h 8-bit Port 3
8Ah
8Bh
80h
90h
88h
89h
Name
Interrupt Enable
Control 0
Interrupt Enable
Control 1
Interrupt Priority
Control High 0
Interrupt Priority
Control Low 0
Interrupt Priority
Control High 1
Interrupt Priority
Control Low 1
Name
8-bit Port 0
8-bit Port 1
Name
Name
Timer/Counter 0 and
1 Control
Timer/Counter 0 and
1 Modes
Timer/Counter 0 Low
Byte
Timer/Counter 0
High Byte
Timer/Counter 1 Low
Byte
GATE1
FPL3
TF1
EA
7
7
7
7
–
–
–
–
–
–
–
–
–
–
–
–
–
–
IPHAUD
IPHUSB
IPLAUD
IPLUSB
EAUD
EUSB
C/T1#
FPL2
TR1
6
6
6
6
–
–
–
–
–
–
–
–
–
IPHMP3
IPLMP3
EMP3
FPL1
M11
TF0
5
5
5
5
–
–
–
–
–
–
–
–
–
–
–
–
IPHKB
IPLKB
IPHS
FPL0
IPLS
EKB
TR0
M01
ES
4
4
4
4
–
–
–
–
–
–
–
–
–
IPHADC
IPLADC
GATE0
EADC
IPHT1
IPLT1
FPS
ET1
IE1
3
3
3
3
–
–
–
–
–
–
–
–
–
FMOD1
IPHSPI
IPLSPI
IPHX1
IPLX1
C/T0#
ESPI
EX1
IT1
2
2
2
2
–
–
–
–
–
–
–
–
–
FMOD0
IPHI2C
IPLI2C
IPHT0
IPLT0
EI2C
ET0
M10
IE0
1
1
1
1
–
–
–
–
–
–
–
–
–
4106F–8051–10/02
IPHMMC
IPLMMC
FBUSY
EMMC
IPHX0
IPLX0
EX0
M00
IT0
0
0
0
0
–
–
–
–
–
–
–
–
–