AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 195

• 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

23.4.1
23.4.1.1
4109L–8051–02/08
Two-wire Interface
Timings
(SSCPOL= 0)
(SSCPOL= 1)
(SSCPOL= 0)
(SSCPOL= 1)
Figure 23-16. SPI Master Waveforms (SSCPHA= 0)
Note:
Figure 23-17. SPI Master Waveforms (SSCPHA= 1)
Note:
Table 172. TWI Interface AC Timing
(output)
(output)
(output)
(output)
(input)
(output)
(output)
(output)
(output)
MOSI
MISO
SCK
SCK
(input)
MOSI
MISO
SS
SS
SCK
SCK
1.
1.
(1)
SS
SS
Port Data
handled by software using general purpose port pin.
handled by software using general purpose port pin.
Port Data
T
T
IVCH
IVCL
MSB IN
MSB OUT
T
T
T
CHIX
CLIX
CHCX
T
CHCX
T
T
T
IVCH
IVCL
MSB IN
CHCH
T
MSB OUT
T
T
CHCH
T
CLOV
CHOV
CLCX
T
T
T
CHIX
CLIX
CLCX
BIT 6
T
T
CLOV
CHOV
BIT 6
BIT 6
T
T
CLOX
CHOX
BIT 6
LSB IN
LSB OUT
T
T
CLCH
CHCL
T
T
AT8xC51SND1C
CLCH
CHCL
LSB IN
LSB OUT
T
T
Port Data
CLOX
CHOX
Port Data
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