AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 73
![IC 8051 MCU FLASH 64K MP3 80TQFP](/photos/12/13/121358/313-80-tqfp_sml.jpg)
AT89C51SND1C-ROTUL
Manufacturer Part Number
AT89C51SND1C-ROTUL
Description
IC 8051 MCU FLASH 64K MP3 80TQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
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
-
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4109L–8051–02/08
Table 81. MP3MED Register
MP3MED (S:B5h) – MP3 Medium Control Register
Reset Value = 0000 0000b
Table 82. MP3TRE Register
MP3TRE (S:B6h) – MP3 Treble Control Register
Reset Value = 0000 0000b
Table 83. MP3CLK Register
MP3CLK (S:EBh) – MP3 Clock Divider Register
Reset Value = 0000 0000b
Number
Number
Number
7 - 6
7 - 6
7 - 5
5-0
5-0
4-0
Bit
Bit
Bit
7
7
7
-
-
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
MPCD4:0
MED5:0
TRE5:0
Bit
Bit
Bit
6
6
6
-
-
-
-
-
-
Reserved
The value read from these bits is always 0. Do not set these bits.
Medium Gain Value
Refer to Table 71 for the medium control description.
Reserved
The value read from these bits is always 0. Do not set these bits.
Treble Gain Value
Refer to Table 71 for the treble control description.
Reserved
The value read from these bits is always 0. Do not set these bits.
MP3 Decoder Clock Divider
5-bit divider for MP3 decoder clock generation.
MED5
TRE5
5
5
5
-
MPCD4
MED4
TRE4
4
4
4
MPCD3
MED3
TRE3
3
3
3
AT8xC51SND1C
MPCD2
MED2
TRE2
2
2
2
MPCD1
MED1
TRE1
1
1
1
MPCD0
MED0
TRE0
0
0
0
73
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