AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 107
AT89C51SND2C-7FTUL
Manufacturer Part Number
AT89C51SND2C-7FTUL
Description
IC 8051 MCU FLASH 64K MP3 100BGA
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51SND2C-7FTUL.pdf
(242 pages)
Specifications of AT89C51SND2C-7FTUL
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
32
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; D/A 2x20b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFBGA
Data Bus Width
8 bit
Data Ram Size
2.25 KB
Interface Type
ATAPI, I2S, IDE, SPI, UART, USB
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
32
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
AT89C51SND2C7FTUL
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
AT89C51SND2C-7FTUL
Manufacturer:
ATMEL
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16.4
16.4.1
16.4.2
Figure 16-7. Endpoint Selection
4341H–MP3–10/07
Configuration
Endpoint 0
Endpoint 2
General Configuration
Endpoint Configuration
UEPSTA0
UEPSTA2
•
•
•
•
•
USB controller enable
Before any USB transaction, the 48 MHz required by the USB controller must be correctly
generated (See “Clock Controller” on page 19).
The USB controller should be then enabled by setting the EUSB bit in the USBCON register.
Set address
After a Reset or a USB reset, the software has to set the FEN (Function Enable) bit in the
USBADDR register. This action will allow the USB controller to answer to the requests sent
at the address 0.
When a SET_ADDRESS request has been received, the USB controller must only answer
to the address defined by the request. The new address should be stored in the USBADDR
register. The FEN bit and the FADDEN bit in the USBCON register should be set to allow
the USB controller to answer only to requests sent at the new address.
Set configuration
The CONFG bit in the USBCON register should be set after a SET_CONFIGURATION
request with a non-zero value. Otherwise, this bit should be cleared.
Selection of an Endpoint
The endpoint register access is performed using the UEPNUM register. The registers
–
–
–
–
Theses registers correspond to the endpoint whose number is stored in the UEPNUM regis-
ter. To select an Endpoint, the firmware has to write the endpoint number in the UEPNUM
register.
Endpoint enable
Before using an endpoint, this must be enabled by setting the EPEN bit in the UEPCONX
register.
UEPSTAX
UEPCONX
UEPDATX
UBYCTX
UEPCON0
UEPCON2
UBYCT2
UBYCT0
UEPDAT0
UEPDAT2
UEPNUM
0
1
2
X
AT8xC51SND2C/MP3B
UEPSTAX
SFR Registers
UEPCONX
UBYCTX
UEPDATX
107
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