AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 129

• Manufacturer Part Number: AT89C51SND2C-7FTUL
• Description: IC 8051 MCU FLASH 64K MP3 100BGA
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND2C-7FTUL

• 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: 32
• 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; D/A 2x20b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: ATAPI, I2S, IDE, SPI, UART, USB
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT89C51SND2C7FTUL

4341H–MP3–10/07
Table 16-13. UBYCTX Register
Reset Value = 0000 0000b
Table 16-14. UFNUML Register
Reset Value = 00h
Bit Number
Bit Number
FNUM7
6 - 0
7 - 0
7
7
7
-
Mnemonic
Mnemonic
FNUM7:0
BYCT7:0
UBYCTX (S:E2h) –
UFNUML (S:BAh, Read-only) – USB Frame Number Low Register
FNUM6
BYCT6
Bit
Bit
6
6
-
Description
Reserved
The value read from this bits is always 0. Do not set this bit.
Byte Count
Byte count of a received data packet. This Byte count is equal to the number of data
Bytes received after the Data PID.
Description
Frame Number
Lower 8 bits of the 11-bit Frame Number.
FNUM5
BYCT5
5
5
USB Endpoint X Byte Count Register
FNUM4
BYCT4
4
4
FNUM3
BYCT3
AT8xC51SND2C/MP3B
3
3
FNUM2
BYCT2
2
2
(X = EPNUM set in UEPNUM)
FNUM1
BYCT1
1
1
FNUM0
BYCT0
0
0
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