AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 210

• 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

24.2.2
24.2.2.1
24.2.2.2
24.2.3
24.2.3.1
24.2.3.2
210
AT8xC51SND2C/MP3B
Oscillator & Crystal
Phase Lock Loop
Schematic
Parameters
Schematic
Parameters
Figure 24-4. Crystal Connection
Note:
Table 24-3.
V
Figure 24-5. PLL Filter Connection
Table 24-4.
DD
Symbol
= 2.7 to 3.3 V, T
C
C
RS
CS
DL
C
F
X1
X2
L
For operation with most standard crystals, no external components are needed on X1 and X2. It
may be necessary to add external capacitors on X1 and X2 to ground in special cases (max 10
pF). X1 and X2 may not be used to drive other circuits.
Internal Capacitance (X1 - VSS)
Internal Capacitance (X2 - VSS)
Equivalent Load Capacitance (X1 - X2)
Drive Level
Crystal Frequency
Crystal Series Resistance
Crystal Shunt Capacitance
Oscillator & Crystal Characteristics
PLL Filter Characteristics
A
= -40 to +85°C
Parameter
VSS
FILT
C1
C2
VSS
R
C1
Q
VSS
X1
X2
C2
Min
Typ
10
10
5
Max
50
20
40
6
4341H–MP3–10/07
Unit
MHz
µW
pF
pF
pF
pF
Ω