AT80C51SND1C-ROTUL Atmel, AT80C51SND1C-ROTUL Datasheet - Page 184
AT80C51SND1C-ROTUL
Manufacturer Part Number
AT80C51SND1C-ROTUL
Description
IC MCU FLASH MP3 DECODER 80-TQFP
Manufacturer
Atmel
Series
80Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
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
-
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Manufacturer
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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
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