AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 145

• Manufacturer Part Number: AT89C51SND1C-ROTUL
• Description: IC 8051 MCU FLASH 64K MP3 80TQFP
• Manufacturer: Atmel
• Series: 89Cr

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: -

4109L–8051–02/08
SADDR (S:A9h) – Slave Individual Address Register
Reset Value = 0000 0000b
Table 129. SADEN Register
SADEN (S:B9h) – Slave Individual Address Mask Byte Register
Reset Value = 0000 0000b
Table 130. BDRCON Register
BDRCON (S:92h) – Baud Rate Generator Control Register
Reset Value = XXX0 0000b
Number
Number
Number
SAD7
SAE7
7 - 0
7 - 0
7 - 5
Bit
Bit
Bit
7
7
7
4
3
2
1
0
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
M0SRC
SAD7:0
SAE7:0
RBCK
SAD6
SAE6
TBCK
BRR
SPD
Bit
Bit
Bit
6
6
6
-
-
Slave Individual Address
Slave Address Mask Byte
Reserved
The value read from these bits are indeterminate. Do not set these bits.
Baud Rate Run Bit
Set to enable the baud rate generator.
Clear to disable the baud rate generator.
Transmission Baud Rate Selection Bit
Set to select the baud rate generator as transmission baud rate generator.
Clear to select the Timer 1 as transmission baud rate generator.
Reception Baud Rate Selection Bit
Set to select the baud rate generator as reception baud rate generator.
Clear to select the Timer 1 as reception baud rate generator.
Baud Rate Speed Bit
Set to select high speed baud rate generation.
Clear to select low speed baud rate generation.
Mode 0 Baud Rate Source Bit
Set to select the variable baud rate generator in Mode 0.
Clear to select fixed baud rate in Mode 0.
SAD5
SAE5
5
5
5
-
SAD4
SAE4
BRR
4
4
4
TBCK
SAD3
SAE3
3
3
3
AT8xC51SND1C
RBCK
SAD2
SAE2
2
2
2
SAD1
SAE1
SPD
1
1
1
M0SRC
SAD0
SAE0
0
0
0
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