AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 9
![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 7. UART Signal Description
Table 8. SPI Controller Signal Description
Table 9. TWI Controller Signal Description
Table 10. A/D Converter Signal Description
AREFP
AREFN
Signal
Signal
Signal
Signal
AIN1:0
Name
Name
Name
Name
MISO
MOSI
RXD
SCK
SDA
TXD
SCL
SS
Type
Type
Type
Type
I/O
I/O
I/O
I/O
I/O
I/O
O
I
I
I
I
Description
Receive Serial Data
RXD sends and receives data in serial I/O mode 0 and receives data in
serial I/O modes 1, 2 and 3.
Transmit Serial Data
TXD outputs the shift clock in serial I/O mode 0 and transmits data in
serial I/O modes 1, 2 and 3.
Description
SPI Master Input Slave Output Data Line
When in master mode, MISO receives data from the slave peripheral.
When in slave mode, MISO outputs data to the master controller.
SPI Master Output Slave Input Data Line
When in master mode, MOSI outputs data to the slave peripheral.
When in slave mode, MOSI receives data from the master controller.
SPI Clock Line
When in master mode, SCK outputs clock to the slave peripheral. When
in slave mode, SCK receives clock from the master controller.
SPI Slave Select Line
When in controlled slave mode, SS enables the slave mode.
Description
TWI Serial Clock
When TWI controller is in master mode, SCL outputs the serial clock to
the slave peripherals. When TWI controller is in slave mode, SCL
receives clock from the master controller.
TWI Serial Data
SDA is the bidirectional Two Wire data line.
Description
A/D Converter Analog Inputs
Analog Positive Voltage Reference Input
Analog Negative Voltage Reference Input
This pin is internally connected to AVSS.
AT8xC51SND1C
Alternate
Alternate
Alternate
Alternate
Function
Function
Function
Function
P3.0
P3.1
P4.0
P4.1
P4.2
P4.3
P1.6
P1.7
-
-
-
9
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