AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 69
![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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13.7
4109L–8051–02/08
Registers
Figure 13-6. MP3 Interrupt Service Routine Flow
Note:
Table 73. MP3CON Register
MP3CON (S:AAh) – MP3 Decoder Control Register
1. Test these bits only if needed (unmasked interrupt).
Number
MPEN
Bit
7
7
Mnemonic Description
MPBBST
MPEN
Bit
6
Reload MP3 Frame
Through MP3DAT
Synchro Error
Data Request
Write MP3 Data
to MP3DAT
Handler
Handler
MP3 Decoder Enable Bit
Set to enable the MP3 decoder.
Clear to disable the MP3 decoder.
CRCEN
5
MSKANC
4
Load New MP3 Frame
Ancillary Data?
Through MP3DAT
MP3 Decoder
Data Request?
Read MP3STA
Layer Error?
MPFREQ = 1?
Sync Error?
ERRSYN = 1?
ERRSYN = 1?
MPANC = 1?
CRC Error
Handler
ISR
MSKREQ
3
(1)
(1)
(1)
MSKLAY
AT8xC51SND1C
Read ANN2:0 Ancillary
Bytes From MP3ANC
2
Ancillary Data
Layer Error
Handler
Handler
MSKSYN
1
MSKCRC
0
69
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