AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 143

• Manufacturer Part Number: AT80C51SND1C-ROTIL
• Description: IC MCU FLASH MP3 DECODER 80-TQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C51SND1C-ROTIL

• 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 Type: ROMless
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: AT80C51SND1CROTIL

18.8
4109L–8051–02/08
Registers
Figure 18-16. Serial I/O Interrupt System
Figure 18-17. Interrupt Waveforms
Table 126. SCON Register
SCON (S:98h) – Serial Control Register
SMOD0 = X
SMOD0 = 1
SMOD0 = 0
SMOD0 = 1
SMOD0 = 1
RXD
RXD
FE/SM0
FE
FE
RI
RI
RI
7
OVR/SM1
Start Bit
Start bit
6
SCON.0
SCON.1
RI
TI
D0
D0
SM2
5
D1
D1
b. Mode 2 and 3
D2
D2
IEN0.4
a. Mode 1
REN
ES
4
D3
D3
8-bit Data
9-bit data
D4
D4
TB8
3
Serial I/O
Interrupt Request
D5
D5
AT8xC51SND1C
RB8
D6
D6
2
D7
D7
TI
Stop Bit
1
D8
Stop bit
RI
0
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