AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 33

• Manufacturer Part Number: AT89C51SND1C-ROTUL
• Description: IC 8051 MCU FLASH 64K MP3 80TQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND1C-ROTUL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, IDE/ATAPI, MMC, SPI, UART/USART, USB
• Peripherals: Audio, I²S, MP3, PCM, POR, WDT
• Number Of I /o: 44
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

8. Special Function Registers
Table 31. C51 Core SFRs
Table 32. System Management SFRs
Note:
Table 33. PLL and System Clock SFRs
Table 34. Interrupt SFRs
4109L–8051–02/08
ACC
B
PSW
SP
DPL
DPH
PCON
AUXR
AUXR1
NVERS
CKCON
PLLCON
PLLNDIV
PLLRDIV
IEN0
IEN1
IPH0
IPL0
IPH1
Mnemonic
Mnemonic
Mnemonic
Mnemonic
1. ENBOOT bit is only available in AT89C51SND1C product.
Add
D0h
Add
FBh
Add
EEh
EFh
Add
E0h
F0h
81h
82h
83h
87h
8Eh
A2h
8Fh
E9h
A8h
B1h
B7h
B8h
B3h
Name
Accumulator
B Register
Program Status Word
Stack Pointer
Data Pointer Low Byte
Data Pointer High Byte
Name
Power Control
Auxiliary Register 0
Auxiliary Register 1
Version Number
Name
Clock Control
PLL Control
PLL N Divider
PLL R Divider
Name
Interrupt Enable Control 0
Interrupt Enable Control 1
Interrupt Priority Control High 0
Interrupt Priority Control Low 0
Interrupt Priority Control High 1
The Special Function Registers (SFRs) of the AT8xC51SND1C derivatives fall into the catego-
ries detailed in Table 31 to Table 47. The relative addresses of these SFRs are provided
together with their reset values in Table 48. In this table, the bit-addressable registers are identi-
fied by Note 1.
SMOD1
NV7
CY
R1
R9
EA
7
7
7
7
-
-
-
-
-
-
-
-
IPHAUD
IPHUSB
IPLAUD
SMOD0
EXT16
EAUD
EUSB
NV6
AC
R0
N6
R8
6
6
6
6
-
-
ENBOOT
IPHMP3
IPLMP3
EMP3
NV5
M0
N5
R7
F0
1)
5
5
5
5
-
-
-
-
-
(
DPHDIS
IPHKB
IPHS
IPLS
RS1
NV4
EKB
ES
N4
R6
4
4
4
4
-
-
-
-
PLLRES
IPHADC
IPHT1
EADC
XRS1
IPLT1
RS0
GF1
GF3
NV3
ET1
N3
R5
3
3
3
3
-
AT8xC51SND1C
IPHSPI
IPHX1
IPLX1
XRS0
ESPI
GF0
NV2
EX1
OV
N2
R4
2
2
0
2
2
-
-
EXTRAM
IPHI2C
PLLEN
IPHT0
IPLT0
EI2C
NV1
ET0
PD
F1
N1
R3
1
1
1
1
-
-
IPHMMC
PLOCK
EMMC
IPHX0
IPLX0
DPS
NV0
EX0
IDL
AO
N0
R2
X2
P
0
0
0
0
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