AT80C51SND1C-ROTUL Atmel, AT80C51SND1C-ROTUL Datasheet - Page 184

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

Specifications of AT80C51SND1C-ROTUL

• 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: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

23.2.2
23.2.3
23.2.3.1
23.2.3.2
184
AT8xC51SND1C
A to D Converter
Oscillator & Crystal
Schematic
Parameters
Table 156. A to D Converter DC Characteristics
V
Figure 23-4. Crystal Connection
Note:
Table 157. Oscillator & Crystal Characteristics
V
DD
DD
Symbol
Symbol
AV
AV
R
AI
AV
AI
= 2.7 to 3.3 V, T
= 2.7 to 3.3 V, T
C
C
C
RS
CS
DL
C
REF
F
REF
X1
X2
DD
PD
IA
DD
L
IN
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.
Analog Supply Voltage
Analog Operating Supply Current
Analog Standby Current
Analog Input Voltage
Reference Voltage
AREF Input Resistance
Analog Input capacitance
Internal Capacitance (X1 - VSS)
Internal Capacitance (X2 - VSS)
Equivalent Load Capacitance (X1 - X2)
Drive Level
Crystal Frequency
Crystal Series Resistance
Crystal Shunt Capacitance
A
A
REFN
REFP
A
A
= -40 to +85°C
= -40 to +85°C
Parameter
Parameter
VSS
C1
C2
AV
AV
Min
2.7
2.4
10
SS
SS
Q
Typ
X1
X2
Min
AV
AV
Max
600
3.3
30
10
2
DD
DD
Typ
10
10
5
Units
KΩ
µA
µA
pF
V
V
V
AV
AIN1:0= 0 to AV
ADEN= 1
AV
ADEN= 0 or PD= 1
T
T
A
A
Max
= 25°C
= 25°C
Test Conditions
50
20
40
DD
DD
6
= 3.3V
= 3.3V
4109L–8051–02/08
Unit
MHz
µW
pF
pF
pF
pF
Ω
DD