AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 17

• 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
Reset Value = 0000 1000b
Table 5-3.
PLLNDIV (S:EEh) – PLL N Divider Register
Reset Value = 0000 0000b
Table 5-4.
PLLRDIV (S:EFh) – PLL R Divider Register
Reset Value = 0000 0000b
Bit Number
Bit Number
Bit Number
6 - 0
7 - 0
R9
1
0
7
7
7
-
Mnemonic
Mnemonic
Mnemonic
PLLNDIV Register
PLLRDIV Register
PLOCK
PLLEN
N6:0
R9:2
Bit
N6
Bit
R8
Bit
6
6
-
Description
PLL Enable Bit
Set to enable the PLL.
Clear to disable the PLL.
PLL Lock Indicator
Set by hardware when PLL is locked.
Clear by hardware when PLL is unlocked.
Description
Reserved
The value read from this bit is always 0. Do not set this bit.
PLL N Divider
7 - bit N divider.
Description
PLL Most Significant Bits R Divider
8 MSB of the 10-bit R divider.
N5
R7
5
5
N4
R6
4
4
AT8xC51SND2C/MP3B
N3
R5
3
3
N2
R4
2
2
N1
R3
1
1
N0
R2
0
0
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