AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 103
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
Number
Bit
7
6
Mnemonic Description
RXOUTB1
DIR
Bit
Control Endpoint Direction Bit
This bit is relevant only if the endpoint is configured in Control type.
Set for the data stage. Clear otherwise.
Note: This bit should be configured on RXSETUP interrupt before any other bit is
changed. This also determines the status phase (IN for a control write and OUT
for a control read). This bit should be cleared for status stage of a Control Out
transaction.
Received OUT Data Bank 1 for Endpoints 1 and 2 (Ping-pong mode)
This bit is set by hardware after a new packet has been stored in the endpoint
FIFO data bank 1 (only in Ping-pong mode). Then, the endpoint interrupt is
triggered if enabled and all the following OUT packets to the endpoint bank 1 are
rejected (NAK’ed) until this bit has been cleared, excepted for Isochronous
Endpoints.
This bit should be cleared by the device firmware after reading the OUT data
from the endpoint FIFO.
AT8xC51SND1C
103
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